List of IPv6 tunnel brokers

This is a list of IPv6 tunnel brokers that conform to the principles of RFC 3053 which describes a system with which users can request creation of an IPv6 tunnel on a host called a point of presence (PoP) that provides IPv6 connectivity to the user's network.

Name Active Years PoPs Locations Subnet Tunnelling protocols Features Registration Configuration Language Prefix Server implementation
Start End 6in4 TSP AYIYA heartbeat RDNS BGP Multicast Script Manual TSP TIC URL
AARNet 2003 [1] ? 1 Australia /48 on request Yes Yes No No No No No Required Yes No No No No English 2001:388::/32 gogoSERVER
CITC 2010 [2] ? 1 Saudi Arabia /64 No Yes No No No No No Required[3] No No Yes No No English, Arabic 2001:67c:130::/48 ddtb[4]
gogo6/Freenet6 1999[5] 2016 2[6] Canada, Netherlands /56 on request No Yes No No No No No Stopped[7] No No Yes No No English 2001:5c0::/36[8] gogoSERVER
goIPv6 ? ? 1 Hong Kong /64 Yes No No No No No No Suspended[9] Yes Yes No No No English 2001:2e0:6002::/48 Custom
Hurricane Electric[10] 2002[11] Active 34[12] Canada, Europe (9 Countries), Hong Kong, Japan, Singapore, United States (10 States) /64 default
/48 by request
Yes No No No Yes Yes No Required[13] Yes Yes No No Yes[14] English 2001:470::/32 Unknown
IPv6Now 2008[15] ? 1 Australia /64 or /48 on requestYes Yes No No No No No Required No No Yes No No English 2406:a000::/32 gogoSERVER
NetAssist 2011[16] Active 1 Ukraine /64
Yes No No No Yes Yes No Required Yes Yes No No Yes[17] English, Russian 2a01:d0:8000::/33 Unknown
NetNam 2011[18] ? 1 VietNam Unknown Yes No No No No No No Required Yes Yes No No Yes English, Vietnamese 2401:e800::/32 Unknown
SixXS 2000[19] Active 49[20] Australia, Brazil, Europe (20 countries), New Zealand, New Caledonia, Russia, United States (8 States), Vietnam /64 default
/48 on request
Yes No Yes Yes Yes No Yes Suspended[21] Yes Yes No Yes Yes English Various[22] sixxsd[23]

The columns in the table provide the following details:

Name The name of the organisation providing the tunnel broker, this generally maps directly to an Internet service provider.
PoPs Number of PoPs deployed
Locations Locations where the tunnel broker has a PoP where termination of a tunnel can occur.
Subnet What subnet allocation the tunnel broker provides next to the /127 or /64 for the tunnel.
Tunnelling protocols
Which tunnelling protocols are provided by the tunnel broker. This has impact on whether one can use a tunnel behind NAT or in cases where the IPv4 address of the user changes often. Check the relevant protocol descriptions for more details, or see this tunneling comparison.
6in4 6in4 tunnels IPv6 packets directly inside IPv4, also called 'proto-41' due to the protocol number (41) it uses.
TSP The Tunnel Setup Protocol. It uses a UDP-based tunnel, which is used for both tunnelling and configuration.
AYIYA AYIYA allows users behind a NAT and/or a dynamic address to maintain connectivity even when roaming between networks. It uses a UDP-based tunnel.
heartbeat[24] heartbeat is a side-protocol for signalling the current IP address of a user's 6in4 endpoint. This allows the use of a 6in4 tunnels where the user's endpoint is a dynamic IP address.
Features RDNS Whether the tunnel broker provides reverse DNS delegations for the address space they provide over the tunnel.
BGP Whether the tunnel broker accepts a BGP peering allowing one to announce one's own address space or see routing information.
Multicast Whether the tunnel broker provides IPv6 Multicast over a tunnel.
Registration If registration is optional or required. Registration requires the user provides real details (at minimum an email address, typically also name and address)
What methods are available for configuring tunnels and subnets provided by the tunnel broker
Script Indicates that the broker provides a script through their website that one can run on a computer for setting up the tunnel.
Manual That one can set up the tunnel manually if wanted
TSP Uses the Tunnel Setup Protocol (TSP) which requires the gogoclient and which can provide configuration details for TSP protocol tunnels.
TIC Uses the Tunnel Information and Control (TIC)[25] protocol as implemented by AICCU, AVM FRITZ!Box, Draytek, Motorola and others. This can provide configuration details for static, heartbeat and AYIYA tunnels.
URL URL indicates that changes to the tunnel parameters can be made on the website (e.g. enable/disable or change the endpoint)
Language Which languages are supported by the providers web interface and other communication channels.
Prefix Which IPv6 prefix(es) are used for the tunnel broker. If a /32 is indicated, generally only a portion is used for tunnels/subnets for the tunnel broker or the name of the tunnel broker service that is providing the address space.
Server implementation The Tunnel broker server software used by the tunnel broker.


  1. "AARNet IPv6 Migration Broker experimental service". AARnet mailinglist. 12 November 2003. Retrieved 3 May 2016.
  2. "Saudia Arabia IPv6 Task Force - 9th task force meeting". Saudia Arabia IPv6 Task Force. 10 October 2010. Retrieved 3 May 2016.
  3. "IPv6 Tunnel Broker Registration". Saudi Arabia IPv6 Task Force. Retrieved 30 January 2016.
  4. "CITC IPv6 Tunnel Broker - Saudi Arabia IPv6 Task Force". Retrieved 14 December 2014.
  5. "Connecting to 6bone, with dynamic IPv4 address". KAME. 13 May 1999. Retrieved 3 May 2016.
  6. "Freenet6 Service Status". Retrieved 30 January 2016.
  7. "Freenet6 Pro Account". Retrieved 14 December 2014.
  8. "WHOIS-RWS". Retrieved 14 December 2014.
  9. "Due to overwhelming demand, we regrettably cannot entertain new user account registrations at this moment". Retrieved 20 June 2016.
  10. "Hurricane Electric Free IPv6 Tunnel Broker". Retrieved 14 December 2014.
  11. "Hurricane Electric Upgrades IPv6 Tunnel Broker". Hurricane Electric. Retrieved 3 May 2016.
  12. "Tunnel Server Status". Hurricane Electric. Retrieved 30 January 2016.
  13. " IPv6 Tunnel Broker Registration". Hurricane Electric. Retrieved 30 January 2016.
  14. "Dyn-compliant Endpoint Updates". Hurricane Electric. Retrieved 18 December 2015.
  15. "IPv6 Now!". IPv6 Now. 1 August 2008. Retrieved 3 May 2016.
  16. "Netassist announces Tunnel Broker". NetAssist on Facebook. 5 September 2011. Retrieved 3 May 2016.
  17. "NetAssist::IPv6 Tunnel Broker". Retrieved 14 December 2014.
  18. "NetNam tunnel broker". NetNam. 19 May 2011. Retrieved 3 May 2016.
  19. "History :: SixXS - IPv6 Deployment & Tunnel Broker". SixXS. Retrieved 3 May 2016.
  20. "SixXS - IPv6 Deployment & Tunnel Broker :: Points of Presence". Retrieved 14 December 2014.
  21. "Signup for a -SIXXS handle". SixXS. Retrieved 30 January 2016.
  22. "SixXS - IPv6 Deployment & Tunnel Broker :: Points of Presence - All Prefixes". Retrieved 14 December 2014.
  23. "SixXS - IPv6 Deployment & Tunnel Broker :: Frequently Asked Questions (FAQ)". Retrieved 14 December 2014.
  24. "draft-massar-v6ops-heartbeat-01 - SixXS Heartbeat Protocol". Retrieved 14 December 2014.
  25. "SixXS - IPv6 Deployment & Tunnel Broker :: Tunnel Information and Control protocol (TIC)". Retrieved 14 December 2014.
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