Internet Protocol version 4 (IPv4) is the fowert version o the Internet Protocol (IP). It is ane o the core protocols o standards-based internetworkin methods in the Internet, an wis the first version deployed for production in the ARPANET in 1983. It still routes maist Internet traffic the day,[1] despite the onganin deployment o a successor protocol, IPv6. IPv4 is descrived in IETF publication RFC 791 (September 1981), replacin an earlier defineetion (RFC 760, Januar 1980).


  1. "BGP Analysis Reports". Retrieved 2013-01-09.