https://app.knowbase.one/vault/rfc/docid/2008
RFC1797: Class A Subnet Experiment
Network Working Group IANA Request for Comments: 1797 ISI Category: Experimental April 1995 Class A Subnet Experiment Status of this Memo ...
https://app.knowbase.one/vault/rfc/docid/2271
RFC2036: Observations on the use of Components of the Class A Address Space within the Internet
Network Working Group G. Huston Request for Comments: 2036 Telstra Internet Category: Informational October 1996 Observations on the use of Components of the Class A ...