An IPv6 Geographic Global Unicast Address Format

Document Type Expired Internet-Draft (individual)
Author Tony Hain 
Last updated 2010-07-12
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document defines an IPv6 Geographic global unicast address format for use in the Internet. The address format defined in this document is consistent with the IPv6 Protocol [1] and the "IPv6 Addressing Architecture" [2]. It is designed to facilitate scalable Internet routing when sites attach to multiple service providers, by using a prefix based on a geographic reference to the site. A natural byproduct of this address allocation mechanism is that all addresses are fixed allowing sites to change providers at will without requiring their network to renumber.


Tony Hain (

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