rfc6164.txt:Yoshinobu Matsuzaki:iij:japan:8:apr:2011:UNKNOWN:kwd,seccons:draft-ietf-6man-prefixlen-p2p:2011-02-17:2010-12-17:32:0:2:31:65:0:2009-10-19:361:draft-kohno-ipv6-prefixlen-p2p:2010-10-15:62:2011-04-21:64