Internet Protocol, Version 4 64-bit Address Extension

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Last updated 2019-10-17 (latest revision 2019-04-15)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes a 64-bit address mechanism that serves as an extension to IPv4, namely, IPv4_64. As an add-on to IPv4, this extension is designed to solve the IPv4 address exhaustion issue in an innovative way, and slightly improve some IPv4 functions at the same time.


Bo Tian (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)