RFC 1884: “IP Model 6 Addressing Architecture” utilizes that phrase for some bits at the conclusion of an IPv6 handle. (The number of bits appeared to fluctuate in some distinctive illustrations, but this identifier was typically based upon the MAC-48 address of a network card.) As for the general public https://andreiotxb.wikimeglio.com/8988198/the_smart_trick_of_whatsmyip_that_no_one_is_discussing