[1] RFC 8369 - Internationalizing IPv6 Using 128-Bit Unicode (2018-08-14 06:19:49 +09:00) https://tools.ietf.org/html/rfc8369
[2] RFC Errata Report » RFC Editor (2018-08-20 22:59:50 +09:00) https://www.rfc-editor.org/errata_search.php?rfc=8369