APIPA was standardized as IPv4LL in RFC 3927[1]. I never remember the acronym IPv4LL-- I always remember APIPA instead. It was a Microsoft construct, but it has

APIPA was standardized as IPv4LL in RFC 3927[1]. I never remember the acronym IPv4LL-- I always remember APIPA instead. It was a Microsoft construct, but it has fairly broad OS support now, to my knowledge. [1] https://tools.ietf.org/html/rfc3927 https://tools.ietf.org/html/rfc3927