RFC 1884: “IP Version 6 Addressing Architecture” uses that phrase for some bits at the end of an IPv6 address. (The amount of bits looked as if it would vary in certain different illustrations, but this identifier was typically dependant on the MAC-48 handle of the network card.) If there https://buybacklinksonline75307.sunderwiki.com/620120/what_does_whats_my_ipv6_mean