http://www.rfc-editor.org/rfc/rfc1069.txt
RFC 1069: Guidelines for the use of Internet-IP addresses in the ISO Connectionless-Mode Network Protocol, R.W. Callon, H.W. Braun1989-02-01T23:00:00-00:00This RFC suggests an addressing scheme for use with the ISO Connectionless Network Protocol (CLNP) in the Internet. This is a solution to one of the problems inherent in the use of "ISO-grams" in the Internet. This memo is a revision of RFC 986. This RFC suggests a proposed protocol for the Internet community, and requests discussion and suggestions for improvements.