https://app.knowbase.one/vault/rfc/docid/1312
RFC1166: Internet numbers
Network Working Group S. Kirkpatrick Request for Comments: 1166 M. Stahl Obsoletes RFCs: 1117, 1020, 997, 990, 960, 943, M. Recker 943, 923, 900, 870, 820, 790, 776, 770, 762, July 1990 75...