Online information

Also a list of major (prefix length 35) allocations per local registry is available here: Ripe NCC / IPv6 allocations.

Freenet6, Canada
Hurricane Electric, US backbone
Centro Studi e Laboratory Telecomunicazioni, Italy
Wanadoo, Belgium
CERTNET-Nokia, China
Tunnelbroker Leipzig, Germany - DialupUsers with dynamic IP's can get a fix IPv6 IP...
Internet Initiative Japan, Japan - with IPv6 native line service and IPv6 tunneling Service
XS26 - "Access to Six", Netherland - with POPs in Slovak Republic, Czech Republic, Netherlands, Germany and Hungary.
IPng Netherland, Netherland - Intouch, SurfNet, AMS-IX, UUNet, Cistron, RIPE NCC and AT&T are connected at the AMS-IX. It is possible (there are requirements...) to get an static tunnel.
UNINETT, Norway - Pilot IPv6 Service (for Customers): tunnelbroker & address allocation
NTT Europe, NTT Euroope, United Kingdom - IPv6 Trial. IPv4 Tunnel and native IPv6 leased Line connections. POPs are located in London, UK Dusseldorf, Germany New Jersey, USA (East Coast) Cupertino, USA (West Coast) Tokyo, Japan
ESnet, USA - Energy Sciences Network: Tunnel Registry & Address Delegation for directly connected ESnet sites and ESnet collaborators.
6REN, USA - The 6ren initiative is being coordinated by the Energy Sciences Network (ESnet), the network for the Energy Research program of the US Dept. of Energy, located at the University of California's Lawrence Berkeley National Laboratory

See also here for more information and URLs: ipv6-net.org.

20.2.2. Latest news

hs247 / IPv6 news and information, also homepage for #ipv6 channel on EFnet
bofh.st / latest IPv6 news (but currently [Jan 2002] outdated...), also homepage for #IPv6 channel on IRCnet
ipv6-net.org, German forum

PLD: Polish(ed) Linux Distribution ("market leader" in containing IPv6 enabled packages)
Red Hat: Red Hat Linux, Pekka Savola's IPv6 packages
Debian: Debian Linux, Craig Small's IPv6 information and status
SuSE: SuSE Linux
Mandrake: Linux Mandrake

For more see the distribution status page

IPv6.org
6bone
UK IPv6 Resource Centre - UK
JOIN: IPv6 information - Germany, by the JOIN project team maintaining also Links to external WWW pages comprising IPv6/IPng
TIPSTER6 project - Hungary, "Testing Experimental IPv6 Technology and Services in Hungary"
WIDE project - Japan
SWITCH IPv6 Pilot - Switzerland
IPv6 Corner of Hubert Feyrer - Germany
Vermicelli Project - Norway
IPv6 Forum - a world-wide consortium of leading Internet vendors, Research & Education Networks...
Playground.sun.com / IPv6 Info Page - maintained by Robert Hinden, Nokia
NASA Ames Research Center (old content)
6INIT - IPv6 Internet Initiative - an EU Fifth Framework Project under the IST Programme

Something missing? Suggestions are welcome!

IPv6 Mexico (spain & english version) - IPv6 Project Hompeage of The National Autonomous University of Mexico (UNAM)

SURFnet - SURFnet IPv6 Backbone
STACK, STACK (IPv6) - Students' computer association of the Eindhoven University of Technology, Netherland.
IPng.nl, collaboration between WiseGuys and Intouch.