https://app.knowbase.one/vault/rfc/docid/2841
RFC0255: Status of network hosts
Network Working Group Ellen Wentheimer Request for Comments: 255 Bolt, Beranek and Newman Updates: 252 October 26, 1971 NIC: 7696 This RFC reports on the status of most Network Hosts from Oc...
https://app.knowbase.one/vault/rfc/docid/3906
RFC0353: Network host status
Network Working Group Ellen Westheimer Request for Comments: 353 BBN NIC #10595 12 June 1972 Categories: F, G.3 Updates: RFC #344 Obsoletes: None ...