グレーのバックは、後発のRFCにより廃棄されたことを示す。

(原典:rfc-index.txt, std-index.txt

STD0012 : [Reserved for Network Time Protocol (NTP)]
RFC1305 Network Time Protocol (Version 3) Specification, Implementation D. Mills Obsoletes RFC0958
RFC1059
RFC1119
March 1992 TXT=307085
PDF=442493 bytes
DRAFT STANDARD
RFC0958 Network Time Protocol (NTP) D.L. Mills Obsoleted by RFC1059
RFC1119
RFC1305
Sep-01-1985 TXT=30723 bytes UNKNOWN
RFC1059 Network Time Protocol (version 1) specification and implementation D.L. Mills Obsoletes RFC0958
Obsoleted by RFC1119
RFC1305
Jul-01-1988 TXT=140890 bytes UNKNOWN
RFC1119 Network Time Protocol (version 2) specification and implementation D.L. Mills Obsoletes RFC0958
RFC1059
Obsoleted by RFC1305
Sep-01-1989 TXT=143
PS=518020
PDF=187940 bytes
STANDARD