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$B%^!<%1%C%H$KBP$9$k5,@)$NI,MW@-$H!"%^!<%1%C%H$N5,@)https://www.apnic.net/__data/assets/text_file/0009/12420/prop-050-v005.txt
[2] JPNIC, "JPNIC$B$K$*$1$k%"%I%l%96u4V4IM}%]%j%7!<(B", 2008$BG/(B
https://www.nic.ad.jp/doc/jpnic-01080.html
[3] JPNIC, "APNIC$B%"%I%l%9%W!<%k$+$i$N3d$j?6$j$K$D$$$F(B", 2003$BG/(B
https://www.nic.ad.jp/ja/topics/2003/20030814-01.html
[4] JPNIC, "$BNr;KE*(BPI$B%"%I%l%92s<}$K4X$9$k8=>uJs9p(B $B!ANr;KE*7P0^$r;}$D(B
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