http://www.rfc-editor.org/rfc/rfc0848.txt
RFC 0848: Who provides the "little" TCP services?, D. Smallberg1983-03-01T23:00:00-00:00This RFC lists those hosts which provide any of these "little" TCP services: The list of hosts were taken from the NIC hostname table of 24-Feb-83. The tests were run on February 23 and 24, and March 3 and 5 from ISI-VAXA.ARPA.