test your IPv6/IPv4 connectivity
No-one at TRIUMF reported any problems.
138 2001:470:1f0b:df:xxxx:xxxx:xxxx:b542 Private Customer - Hurricane Electric Nijmegen NL
110 2001:da8:b000:6235:xxxx:xxxx:xxxx:6cb1 cernet2.net. Jilin University China
84 2001:4978:f:431::2 cl-xxxx.chi-02.us.sixxs.net. Andrew Daviel - at home
81 2001:410:6080:8:xxxx:xxxx:xxxx:d168 CANARIE-IPV6 NETERA-GIGAPOP
75 2001:660:7102:1:223:xxxx:xxxx:8154 FR-GANIL-CAEN
75 2001:470:1f05:xxxx:xxxx:913:xxxx:b912 Private Customer - Hurricane Electric Vancouver V6M2B7
67 2001:da8:b000:6235:dcaf:xxxx:xxxx:7df cernet2.net. Jilin University China
64 2002:80bd:b706:b:223:32ff:xxxx:xxxx IANA-V6-6TO4 128.189.xxx.x resnet.ubc.ca ??
64 2001:1948:414:10:xxxx:xxxx:xxxx:1e2f UEN-V6 Utah Education Network
62 2001:44b8:7379:xxxx:221:xxxx:xxxx:10a2 INTERNODE1-NET6-AU-20051107
62 2001:4978:f:4f2::2 cl-1267.chi-02.us.sixxs.net. Andrew Daviel - at TRIUMF
52 2002:8e68:3f94:a:226:xxxx:xxxx:a6d2 IANA-V6-6TO4 142.104.xxx.xx UVic ??
45 2001:200:905:15f1:xxxx:xxxx:xxxx:f44d APAN-JP Keio University
45 2001:660:7102:1:222:xxxx:xxxx:xxxx FR-GANIL-CAEN
15 2001:620:400:9:21a:xxxx:xxxx:db60 proxy2.unibe.ch.
4 2001:1868:205::19 banjo.employees.org.
4 2001:720:1014:160:xxxx:xxxx:xxxx:2dbe Universidad de Valencia
2 2001:cc0:f008:640:xxxx:xxxx:d50:xxxx China Science and Technology Network
1 2001:470:b:1ae:6083:xxxx:xxxx:xxxx domain.not.configured. Hurricane Electric
1 2001:470:b137::2 Hurricane Electric
1 2002:8e5a:557d::xxxx:xxxx IANA-V6-6TO4
1 2001:610:6f8:0:xxxx:xxxx:xxxx:8ace SIXXS-NET-PT3648-RIPE
1 2001:12ff:0:7::144 crawler3.ceptro.br.
1 2001:6a0:126:1::1 maraga.eu.
SIXXS and Hurricane Electric are explicit tunnels. V6-6TO4 is often an automatic tunnel on Windows Vista. Others are native connections.
See e.g. here
Seen on other webservers:
4 2001:4860:4801:1307:0:6006:1300:b075 crawl-2001-4860-4801-1307-0000-6006-1300-b075.googlebot.com.
1 2001:4860:4801:1302:0:6006:1300:b075 crawl-2001-4860-4801-1302-0000-6006-1300-b075.googlebot.com.
1 2001:4860:4801:1306:0:6006:1300:b075 crawl-2001-4860-4801-1306-0000-6006-1300-b075.googlebot.com.
Andrew Daviel