Bad ISPs

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The following is a list of Internet service providers (ISPs) that are known to cause trouble for BitTorrent clients, Online Gaming and/or other P2P clients and the reason why. If you are using one of the following ISPs, please consider finding a new, better one. If your ISP is not on the list and you have reason to believe they are shaping traffic, you might consider helping others and adding the information to the list here. However, before you do that, please ensure that you have read about good settings and NAT problems.

You might also test with the built-in Mlab speed test in Vuze for your effective speeds and also for possible traffic shaping/throttling/blocking activity. Go to Help menu, select "Speed test..." and run the "General speed test".

One of the biggest problems are providers that perform traffic shaping on P2P protocols, see Avoid traffic shaping for advice on how to counter that. You'll need that if your ISP is listed with an encryption level greater than 0 or a question mark.

It may also benefit people if dates are mentioned as these can be a reference point to whether the information is current or outdated.

Contents

[edit] ISPs by country

[edit] Armenia

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
MTS (K-Telekom, VivaCell), Armenia Yes No  ? No Yes Yes No Yes No

[edit] Argentina

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Telefonica de Argentina
DSL Service/Plan name Speedy One
Yes No 0 No No No No No No
Telecentro, Argentina Yes No 4+ No Yes No No No Yes
Fibertel, Argentina Yes No 4+ Yes Yes No No No Yes
Telecom Argentina
DSL Service/Plan name Telecom 3MB
No No 0 No No No Yes No No
MasterSAT SRL
Ushuaia - Tierra del Fuego
Yes No  ? No No  ?  ?  ?  ?

[edit] Australia

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Bigpond, Australia No No  ? No No No No No No
dodo, Australia No No  ? No No No No No No
Exetel, Australia No No 2 No No No No No No
iburst, Australia Yes No  ? No No No No No No
Optus, Australia No No 5 Yes No No No No No
Unwired, Australia Yes No 2 No No No No No No
myONE, Australia Yes No  ? No No Yes Yes No No
Internode, Australia No No  ? No No No No No No
Apex Telecom, Australia No No  ? No No No No No No
Vivid Wireless, Australia Yes  ?  ?  ?  ?  ?  ?  ?  ?
Tpg  ?  ?  ?  ?  ?  ?  ?  ?  ?

[edit] Austria

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
UPC, Austria13 yes/no13 No  ? Yes No No No No No
Orange, Austria No No  ? No No No No Yes Yes

[edit] Belgium

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Telenet, Belgium Yes Yes  ? Yes Yes No No Yes Yes
Belgacom, Belgium No No  ? No No No No No No
Dommel, Belgium No No  ? No No No No No No
EdpNET, Belgium No No  ? No No No No No No

[edit] Belarus

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
ADSL.BY (Belinfonet), Belarus Yes  ?  ? No Yes No No No Yes

[edit] Barbados

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Cable and Wireless Yes No  ? No No No No No No

[edit] Bolivia

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Tigo Bolivia Yes ?  ?+ Yes Yes No Yes ? Yes
Viva Internet Yes ?  ?+ Yes Yes No Yes ? Yes
Entel Internet Yes ?  ?+  ?+ Yes No Yes ? No
Cotas Adsl No ?  ?+ No Yes No ? Yes No

[edit] Brazil

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Brasil Telecomunicações (Astro Internet), Brazil Yes No  ? Yes No No No No No
Vivo Internet 3G (mobile), Brazil Yes No  ? Yes Yes No No No No
Claro 3G (mobile), Brazil Yes No  ? Yes No No No Yes Yes
InterCabo (MasterCabo MG), Brazil Yes No  ? No No No No Yes Yes
NET Vírtua, Brazil Yes No 4 Yes Yes Yes No No No
Oi Velox Cabo (legacy "Way Internet"), Brazil No No  ? Yes Yes No No No No
GVT (Global Village Telecom), Brazil Yes No  ? Yes Yes No No No No
TIM 3G (Mobile), Brazil No No ? Yes No No No No No
CTBC (Algar Telecom), Brazil No No ? No No No No No No

[edit] Canada

ISP disconnects service upon sensing torrent downloading limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Acanac, Canada No Wholesale, see note below No 5+, They offer free VPN-tunnel service to clients to get around the Bell throttle. No yes, no if using VPN No No No No
Bell, Canada No No No 5+ No No No No No No
Cogeco, Canada No No No 5+ No No No No No No
Delta Cable, Canada No No No 0 No No No No No Yes
Distributel, Canada No Wholesale, see note below No 5+, Provides SLPPP/MLPPP to bypass throttle No See below No No No No
EastLink, Canada No Yes No 2+ No Yes No No No No
ElectronicBox, Canada No Wholesale, see note below No 5+, Bell Wholesale (see below) No Yes No No No No
NCF, Canada No Yes No 5+, Bell Wholesale No No No No No No
Rogers, Canada 10 No Yes - but phasing out by end of 2012 No 5+ No No No No No No
Shaw, Canada No Temporarily, only when necessary No 2+ (Mar. '09 - Shaw customer reports level 4 plus steps 1 and 2 under level 5 now required to prevent throttling) No No No No No No
Telus, Canada No No No 0 No No No No No No
Teksavvy, Canada No Wholesale, see note below No 5+, Provides SLPPP/MLPPP to bypass throttle No See below No No No No
Videotron, Canada No No No 0 No No No No No No
Xplornet (satellite), Canada No Yes No 0 Yes No No No Yes No

Canada has resellers and wholesale. Resellers don't have their own equipment, and just resell large ISPs services. Wholesale will own their own equipment, and provide their own transit out of the large ISP's network. This prevents duplication of 'last mile' infrastructure. Note many wholesale companies wholesale DSL and Cable across the country from various large ISPs, so everything is based on the larger ISP they're whole-selling.

Due to the way wholesale works in Canada (wholesale equipment is generally AFTER incumbent DPI systems), all Wholesale ISPs will be affected in the same way for each area.

  • Bell DSL Wholesale: Does not throttle
  • Rogers Cable Wholesale: Does not throttle
  • Shaw Cable Wholesale: Bittorrent uploads are managed to 80kbps only on congested nodes. All management is removed once the node has been upgraded (ie approx 2 months).

[edit] Chile

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Movistar, Chile No No 0 Yes Yes No No No No
VTR Chile Yes No 2+ Yes Always No No No No
Claro Chile ? ?  ?+ ? ? ? ? ? ?

[edit] China

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 98 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
China Telecom, China Yes Yes  ? Yes Yes No No No No
China Netcom, China Yes No  ? No No No No No No
China Railcom/TieTong, China Yes No  ? No No No No No No
Shanghai Telecom, China Yes No  ? No No No No No No

[edit] Costa Rica

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Amnet, Costa Rica  ?  ?  ?  ?  ?  ?  ?  ?  ?
ICE-Racsa, Costa Rica  ?  ?  ?  ?  ?  ?  ?  ?  ?

[edit] Croatia

ISP limits BitTorrent bandwidth 3 Tier 1 partners might shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
OK-TV Yes Yes Not helping Yes No Yes Yes No No

[edit] Czech Republic

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
UPC, czech republic Yes No  ? No No No No No No

[edit] Denmark

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Sydfynsne No No 0 No No No No Yes No

[edit] France

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Bouygues Telecom, France  ?  ?  ?  ?  ?  ?  ?  ?  ?
FDN, France No No 0 No No No No No No
Free, France No No 0 No No No No No No
Numericable, France  ?  ?  ?  ?  ?  ?  ?  ?  ?
Orange, France  ?  ?  ?  ?  ?  ?  ?  ?  ?
OVH, France No No 0 No No No No No No
SFR, France Yes No 4+ No No Yes No No No

[edit] Germany

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Deutsche Telekom AG (DTAG), Germany Yes Yes no effect Yes No No No No No
Kabel Deutschland, Germany No Yes 2+ No Yes Yes No No No
1&1 Internet AG, Germany No Yes no effect No No No No No No
QSC AG, Germany No Yes no effect No No No No No No
o2 / Telefónica Germany GmbH & Co. OHG, Germany No Yes no effect No No No No No No
STRATO AG, Germany No Yes no effect No No No No No No
Alice / Telefónica Germany GmbH & Co. OHG, Germany No Yes no effect No No No No No No

T-Systems is the Tier 1 provider for Germany and they either manually throttle all BitTorrent characteristic traffic (encrypted or not) by throttling all traffic for the entire PPPoE session within 5 minutes after connections have been established or they have a constantly recurring overloading problem at their gateways and routers (which according to MaxMind GeoIP are in the Netherlands, curiously), the extremes at which is throttled vary but are usually between 100kbps and 500kbps, with the effects much more severe if BitTorrent mainlineDHT is in use, IPv6 over a 6to4 tunnel is transferring data or the more active TCP connections you have or if UDP connections are used. This is evidenced by the fact that the download speed is much higher shortly after start, than it is after said 5 minute window (this includes a parallel running FTP or HTTP transfer), even though the number and bandwidth available through remote test hosts far exceeds the badwidth available for the local host. If BitTorrent traffic stops on the session, it can take up to 15 minutes but bandwidth will return to normal state (via HTTP and FTP). Bandwidth will also return to the normal state if the PPPoE connection on a DSL router is severed and reinitialized. After analysis and testing via residential DSL connections, cable connections and hosts in datacenters, it is evident that the throttling either occurs at the Tier 1 level or that all connections which run over DTAG operated lines are affected (DTAG owns and maintains all physical connections in Germany and several surrounding areas).

There is currently no perfect solution to mitigate their traffic shaping effects, be they intentional or unintentional, but the fewer IP connections are active, the better the results for possible speed.

Mitigating the problem: Use encryption level 4 (has no real effect, but will prevent them from finding a new shaping method too quickly), set outgoing connections to a fixed source port (Tools -> Options -> Connection -> Advanced Network Settings -> Bind to local Port) which is different from your incoming port (this will only work on Windows 2000 and newer or Linux based operating systems). Do not forward this port in your NAT device or firewall to prevent rogue clients or man in the middle devices from sending packets to it. Further recommendation, if you have an IPv6 capable NAT device: Find a reliable 6to4 tunneling provider (try SixXS), use Java 7 and enable the checkbox at Tools -> Options -> Connection -> Advanced Network Settings -> Enable IPv6 support but disable the checkbox at Prefer IPv6 addresses when both IPv4 and IPv6 are available. Please be aware that this is only a temporary solution and you may get a lot of NAT errors with some of your torrents (you're still reachable via the old forwarded incoming ports).

[edit] Greece

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
HellasOnLine, Greece Yes No 2+ No Yes No No No No

[edit] Hong Kong

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
[City Telecom, Hong Kong] Yes Yes 2+ Yes Yes No No No No

[edit] Hungary

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Mikro NET, Hungary No No 0 No No No No Yes No
UPC, Hungary Yes No 2+ No Yes No No No No
Telenor Magyarország ZRt. Yes No  ? Yes, for all traffic No No No No No
T-Mobile Hungary No No 0 Yes, for all traffic No No No No No

[edit] India

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
[BSNL Dataone, India] Yes No ((yes2)) Yes Yes Yes Yes Yes Yes
[Reliance Netconnect +, India] Yes Yes 0 Yes Yes Yes No No Yes
[Reliance Broadband, India] Yes No 2+ Yes Yes Yes Yes No Yes
[MTNL Triband, India] Yes No 0 Yes Yes Yes No No Yes
[SIFY, India] Yes No 0 Yes Yes Yes No No Yes
[Airtel Broadband, India] Yes Yes 2+ Yes Yes Yes Yes Yes Yes
[Tata Photon+, India] Yes Yes 2+ Yes Yes Yes Yes Yes Yes

[edit] Indonesia

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
PT Telekomunikasi Indonesia No No 0 No No No No Yes No
FastNet (by First Media) Yes No 0 Yes, Limit bandwidth speed through calculating upload speed usage from account in Shared Area. Yes, Limit Download upon reaching certain download quota limit. Yes, P2P Blockage from time to time. Yes, From time to time. No No
3 Indonesia Yes No 0 No, not only for BitTorrent traffic but also HTTP traffic No No No Yes No

[edit] Iran

ISP limits BitTorrent bandwidth - محدودیت پهنای باند در تورنت Tier 1 partners might 1 shape proposed Encryption level - پیشنهاد سطح رمزگذاری limits bandwidth for accounts with a high traffic volume - محدودیت پهنای باند برای حساب هایی با حجم ترافیک بالا limits bandwidth during certain times of the day - محدودیت پهنای باند در زمان های خاصی از روز prevents seeding 2 - جلوگیری از دانلود تورنت prevents/filters .torrent download 3 - فیلتر کردن دانلود فایل های تورنت causes unsolvable NAT problem ایجاد مشکل در NAT offers no real flatrate
Shatel - شاتل (آریا رسانه تدبیر) , Iran Yes No 0 Yes Yes No No No No
Sepanta - سپنتا , Iran ? ? ? ? ? ? ? ? ?
Neda Gostar Saba - نداگستر صبا , Iran Yes ? ? No No No No ? Yes
Irancell - ایرانسل , Iran ? ? ? ? ? ? ? ? ?
ParsOnline - پارس آنلاین , Iran ? ? ? Yes ? ? ? ? ?
Rasaneh Esfahan Net - رسانه اصفهان , Iran ? ? ? ? ? ? ? ? ?
Datak - داتک , Iran ? ? ? ? ? ? ? ? ?
Azadnet - آزادنت , Iran ? ? ? ? ? ? ? ? ?
Respina - رسپینا , Iran No No 0 No No No No No No
Omidan - امیدان , Iran ? ? ? ? ? ? ? ? ?
Datak WiMAX - وایمکس داتک , Iran ? ? ? ? ? ? ? ? ?
MOBINNET - وایمکس مبین نت , Iran ? ? ? ? ? ? ? ? ?
AFRANET - افرانت , Iran ? ? ? ? ? ? ? ? ?
AsiaTech - آسیاتک , Iran ? ? ? Yes ? ? ? ? ?

[edit] Israel

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
012 NET, Israel Doesn't limit bandwidth, but breaks connections to seeds/peers outside Israel No 5 No Yes No No Yes Yes

[edit] Italy

All Italian ISPs block Thepiratebay.org by law

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Telecom Italia No No 2 No No No No, but the whole thepiratebay.org site is blocked No No

[edit] Japan

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Zaq By J:COM Yes Yes 5 Yes No No No, Thepiratebay.org blocked but Thepiratebay.se is not. Yes Yes

My WiMax are adamant they don't throttle or in any way shape, but it can't be coincidence that every time I download my connection will be cut.

J:COM (zaq) start speed throttling from August2011.160M connection only shows 15 to 20K speed.They admit that P2P is blocked from now.

J:COM (Zaq) Ultra 160M, Osaka area. Throttling speeds on all P2P connections only on their 160M plan. 60Kbyte/s - 70Kbyte/s down speed. HTTP / FTP downloads 8 - 12 Mbyte/s. 40M connection plan seems to be unaffected. This is not stipulated in their contract and thus a change of ISP with an early termination of contract can be obtained without penalty as a result of their own restrictions being placed on a connection without notice. When arranging the change of ISP, remember to argue the point that it is not stated in the contract and that you took out this connection under the belief that you were receiving and unconditional 160M connection . Do not budge on it.

I just got off the phone with J:COM. They have also started throttling P2P on my 160MB connection. It now reaches about 150kb (not kB) per second maximum. HTTP downloads can still reach speed of up to 3 MB/second however.

Softbank BB Ultrawifi service blocks P2P traffic. If you open Bittorent the Internet will just stop working completely. I found that if you pause all torrents and only let one at a time go, it'll let you stay connected for about 20 minutes and then kick you.

So-net "NTT-West Hikari with flets NEXT"(200Mbps in best effort) doesn't block Bittorrent Protocol(at least in Hiroshima prefecture) and up/down speed can be over 180Mbps, but over 30GB/day upload is not allowed and if you over that, you may receive a warning mail. μTorrent has amount-based traffic limiting system but Vuse doesn't, so you have to limit speed if yo don't want to receive the warning.

[edit] Kenya

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate comment
Kenya Data Networks Yes No  ? Yes No Yes Yes No No miraculously reformed after appearing here :)
Zuku Yes No  ? Yes Yes Yes No No Yes Speeds are often capped to slower than what was paid for. 512 becomes 256. They say HEAVY NETWORK LOAD, but it seems they are putting profits before customers, bad business practice.


[edit] Kuwait

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers a real flatrate
Qualitynet , Kuwait No No 0 Yes No No No No No
Fasttelco , Kuwait Yes No 0 Yes Yes No No No No
GlobalNet , Kuwait Yes No 0 Yes Yes No No Yes No
Zajil , Kuwait No No 0 Yes No No No No No
Mada , Kuwait No No 0 Yes No No No No No
Gulfnet , Kuwait No No 0 Yes No No No No No
Zain , Kuwait No No 0 Yes No No No Yes No
Wataniya , Kuwait No No 0 Yes No No No Yes No
Viva , Kuwait No No 0 Yes No No No No No

[edit] Malaysia

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
TM net, Malaysia Yes No  ? Yes Yes Yes Yes No No
JARING, Malaysia Yes No 2+ No Yes No Yes No No

In 2011,Malaysia goverment release the statement that force ISP to block 10 file sharing site including Pirate Bay and Filestube. This action has make all people that use this ISP in Malaysia make a protest due to this action. International group, Anonymous make respond to this block and attack some of Malaysia site and join by some of local hacker group DragonForce. After that,Anonymous release a method to all Malaysia about technique to bypass this block using method that call Google DNS. Malaysia ISP also limit P2P using technique call Traffic Shaping that don't allow Malaysia people to download file from other country using P2P method due to bandwitch reason.

[edit] Mexico

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Cable Vision, Mexico Yes Yes  ? Yes No Yes Yes Yes No
Axtel, Mexico Yes No  ? Yes No No No No No
http://www.prodigy.net.mx/ No No  ? No Yes No No No No
Cablecom, Mexico No No  ? No No No No No No

[edit] Namibia

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Telecom Namibia, Namibia Yes Yes  ?  ? Yes No No No No

[edit] Netherlands

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
UPC, Netherlands Yes Yes  ? Yes Yes No No No No
T-Mobile Online Yes  ?  ? Yes  ? No No No No

[edit] New Zealand

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers flatrate
WorldNet, New Zealand Yes No  ? Yes Yes Yes Yes Yes yes
Telecom, New Zealand Yes No  ? Yes Yes Yes Yes Yes yes
Slingshot, New Zealand Yes No  ? Yes Yes Yes Yes No yes
Vodafone / ihug, New Zealand No No  ? Yes No No No No yes
WxC Xnet, New Zealand Yes No  ? Yes Yes No Yes No yes

[edit] Pakistan

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Nexlinx, Pakistan Yes Yes  ? Yes Yes Yes Yes Yes Yes

[edit] Panama

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Cable&Wireless, Panama Yes No 4+ Yes Yes Yes Yes Yes No

[edit] Perú

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
América Móvil Perú S.A.C. , Perú Yes No  ? Yes Yes No No Yes No

Note: Only Tested on mobile internet services. This ISP uses D.P.I. (Deep Packet Inspection) to avoid some tests (like Bittorrent specific test), stronger encryption levels may cause disconnections.

Update 15/02/2012: Now they are choking access to TCP/UDP ports due to paranoid policies on their NAT, specially during day or certain sites (badongo, mediafire, some trackers like TPB or KAT, etc). This not only affect to p2p. About Claro ISP restrictions (in Spanish): http://es.scribd.com/doc/51920923/Clarogate-2-0-La-apelacion

Update 04/05/2012: Since last month, Claro is blocking the Glasnost Test (http://broadband.mpi-sws.org/transparency/glasnost.php) choking any port that uses it. Fortunately, i did sucessfully a test and discover the cause (http://es.scribd.com/doc/91667533/Clarogate-2-1-un-ano-despues).

[edit] Philippines

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Philippine Long Distance Telephone Company No No 0 Yes No No No Yes No
myDestiny (Solid Broadband Corporation) Yes No  ? No Yes No No No No
Globe Telecom Yes No  ? Yes Yes No Yes6 No No
SMARTBro Yes No  ? Yes No No Yes6 No No

[edit] Portugal

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Vodafone, Portugal Yes No  ? No No No No No Yes
ONI, Portugal Yes No  ? No No No No No Yes
Zon Multimedia, Portugal Yes No 2+ Yes Yes Yes No No Yes
Sapo, Portugal Yes No  ? No Yes No No No Yes
Meo, Portugal Yes No  ? No Yes No No No Yes
Cabovisão, Portugal Yes No  ? No No No No No Yes
TMN, Portugal Yes No  ? Yes No No No No Yes

[edit] Russia

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Sibirskie Seti, Russia No No 0 Yes No No No Yes No
Tochka Ru, Russia No No 0 No No No No Yes No
Er-Telecom, Russia Yes No 0 No Yes Yes No No No
STC, Russia No No 0 Yes No No No No No

[edit] Saudi Arabia

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers a real flatrate
Mobily (Etihad Etisalat), Saudi Arabia Yes No 0 No No No No No No
STC (Saudi Telecom Company), Saudi Arabia Yes No 0 No Yes No No Yes No

[edit] Serbia

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Tippnet, Serbia Yes No  ? No No No No No No

[edit] Singapore

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Starhub, Singapore (*.maxonline.com.sg) Yes[1] Yes  ? Yes Yes No No No No
Singnet, Singapore (*.singnet.com.sg) Yes[2] Yes  ?  ? Yes No No No No

[edit] Slovakia

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
BBNetWorld No Yes 2 No No Yes No Yes No

[edit] South Africa

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
MWEB Connect, South Africa Yes Yes  ? No Yes No No No Yes
Imaginet, South Africa Yes Yes  ? Yes Yes No No No Yes

[edit] Spain

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
ono.com, Spain No No 2+ No No No No No No
CableSur, España Yes No  ? No No No No No No
Macovall 2000 Ríos en la red (Zamora), España No No  ? No Yes  ? No Yes Yes


[edit] Switzerland

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
UPC Cablecom, Switzerland No No  ? No No No No No No

[edit] Thailand

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
3BB, Thailand Yes Yes  ? Yes Yes No No Yes Yes
TOT, Thailand Yes Yes  ? Yes Yes Yes Yes Yes Yes
CAT Telecom, Thailand Yes Yes  ? Yes Yes Yes Yes Yes Yes
True Internet, Thailand Yes Yes  ? Yes Yes Yes Yes Yes Yes
BuddyBB, Thailand Yes, see note below Yes ? Yes Yes Yes Yes Yes Yes
  • BuddyBB Home package used TOT line. International bandwidth was limited to 256 Kb/s - 1Mb/s.

[edit] Ukraine

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
MKT, UA No No No No No No No No No

[edit] United Kingdom

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
biscit, GB Yes No  ? No No No No No No
BT Broadband, UK Yes No throttles non-HTTP traffic Yes Yes No No Yes No
Eclipse, UK Yes No 4+ Yes Yes No No No No
Freedom2Surf, UK Yes No  ? No Yes No No No No
Freedom2Surf, UK Yes No  ? No Yes No No No No
Hyperoptic, UK  ?  ?  ?  ?  ?  ?  ?  ?  ?
Orange, UK Yes No  ? Yes Yes No Template:No2, Thepiratebay.org IP blocked No No
PlusNet, UK Yes No  ? Yes8 Yes8 No No No Yes
TalkTalk, GB Yes No Throttles Traffic Yes Yes No No No No
UK telco O2 Yes ? ? Yes Yes No No No Yes
Virgin Media, GB (Cable) Yes No 2+ Yes7 Yes7 Yes Template:No2, Thepiratebay.org IP blocked Yes No

[edit] United States of America

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
Atlantic Broadband, US Yes No  ? No No No No No No
Aloha Broadband, Na'alehu, HI, US Yes No  ? Yes No Yes Yes Yes Yes
Cablevision's Optimum Online, US Yes No 0 Yes No No No No No
Insight Communications, US No No 0 No ? No No No No
ClearWire, US Yes Yes ? Yes ? No No ? ?
SureWestKC No No ? No No No No No No
RCN/Starpower, US No No 0 No No No No No No
iProvo, Utah US Yes No 0 No No No No No No
Qwest, US No No 0 Yes No No No No No
Digis No No 0 Yes No No No Yes Yes
Cox No No  ? No No No No No No
Comcast Yes No 5 Yes No No No Yes No
Charter Communications No No  ? Yes No No No No No
ResNet (resnet.*.edu), US4 Yes No 2+ No No No Yes No No
Shadownet No No 0 No No No No Yes No
DirecPC No No 0 No No No No Yes No
AT&T ADSL5 Yes9 No 0 No No No No No Yes9
AT&T U-verse ADSL2+ HSI5 Yes9 No 0 No No No No Yes11 Yes9
AT&T U-verse VDSL5 Yes9 No 0 No No No No No Yes9
Time Warner Cable Yes No 5 No No No No Yes No
Windstream Communications/PennTeleData5 No No 2+ Yes Yes No No No Yes
US Sonet/Qwest Reseller5 No No 2+ No No No No Yes No
Cinergy MetroNet No No 0 No ? No No No No
Suddenlink Communications No No 0 Yes12 No No No No No

[edit] Venezuela

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate
CANTV (Movilnet) No No 0 No No No No No No
Intercable (now Inter) Yes No 2+ Yes No No No No No
Digitel Yes ?  ?+ Yes No No No ? ?
Movistar ? ?  ?+ ? ? ? ? ? ?
NetUno ? ?  ?+ ? ? ? ? ? ?

[edit] Challenged entries

Entries listed here have been challenged by at least one person and require further verification

ISP limits BitTorrent bandwidth Tier 1 partners might 1 shape proposed Encryption level limits bandwidth for accounts with a high traffic volume limits bandwidth during certain times of the day prevents seeding 2 prevents/filters .torrent download 3 causes unsolvable NAT problem offers no real flatrate comment
ya.com, Spain No No 2+ No No No No No No challenged by a ya.com employee
Hs-hkb, Bosnia and Hercegovina No No 2+ No No No No No No
Globe Telecom Yes No  ? Yes No No Yes6 No No challenged by an anon subscriber
UPC, Netherlands No No  ? No No No No No No challenged by a UPC customer
Choice Cable, Puerto Rico Yes Yes  ? All_bittorent All_day Yes Yes Yes Yes by Glasnost Test

[edit] Statistics

  • 29/180 ISPs are "good"

[edit] Notes

  • Note 1: This information is hard to verify and thus only tentative but remember you should only download when needed
  • Note 2: Enabling Tools -> Options -> Transfer -> Use lazy bitfield will probably help, try encryption otherwise
  • Note 3: Download .torrents in .zip files, via HTTPS or use magnet links instead
  • Note 4: ResNets, large Local Area Networks or Metropolitan Area Networks serving the personal computers of students in their residence halls or dormitory buildings on various university campuses, have no common governing body and hence have different policies on file sharing. The listed problems are those that are most frequently reported by Azureus users from different ResNet networks.
  • Note 5: Appears to be blocking default port range; be sure to select a port in the 50,000s.
  • Note 6: Appears to be blocking the bittorrent user agent for getting the .torrent file. change that via your client or use a localhost proxy.
  • Note 7: Customers on Virgin's highest (XXL/50mb) tariff are not subject to bandwidth caps.
  • Note 8: Customers on Plusnet's highest (Pro/20mb) tariff are not subject to bandwidth caps.
  • Note 9: Customers using AT&T's Service plans are either limited to 150GB/Month on DSL, 250GB/Month on U-Verse, OR are subject to extra charge from AT&T as of May 2011. http://www.att.com/esupport/article.jsp?sid=KB409045&cv=801%2C102#fbid=KaY2W8HJ3FL
  • Note 10: Rogers currently states that they cap all common P2P applications (Gnutella-clients, Torrent, etc) at [80 kbps on the upload stream, at all times of the day]. But they claim they do not throttle downloads at all. (See "See Full Details" at the bottom of the page).
  • Note 11: The Motorola 2210-02-1ATT DSL modem (and probably also the other DSL modems that work with U-verse ADSL2+ HSI) does not have a bridge mode and is apparently overwhelmed by the different number of nodes communicating with your PC over DHT. Disable DHT as a work-around, and possibly also reduce the total number of connection allowed by your BitTorrent client to 100 or so.
  • Note 12: Suddenlink secretly send a config file to your modem to slow/throttle your connection if you go over 1Gb download, this is denied by Suddenlink's customer services, however a Suddenlink Technician who was annoyed at Suddenlink's practices showed me on his smartphone display to prove I was not having a technical issue, showing all my traffic Red = Bad (Auto Restriction) Amber = Borderline (watched) Green = OK (No action needed)
  • Note 13: UPC depends on the city and the provider they overtook that owned the network before them, Graz for example is _not_ throttled but shaped to 64Kbit after a few TB (never seen this myself at 10TB+ per month, maybe a myth), .torrent file downloads are not filtered in any case as previously stated and their upstreams (Tier1/2) do not filter the traffic (not legal in Austria since it would need to be monitored for it).

[edit] See also

Read the Azureus FAQ

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