so-net 規制 No.5
http://qb5.2ch.net/test/read.cgi/sec2ch/1271011805/152
_2CH_chibnt\d+.ap.so-net.ne.jp　規制

YahooBB (softbank) 規制 No. 10
http://qb5.2ch.net/test/read.cgi/sec2ch/1292681813/34
_2CH_softbank126017　規制