RFC 1900 · INFORMATIONAL · 1996
SUN · 14 JUN 2026
Renumbering Needs Work
Overview
RFC 1900, “Renumbering Needs Work”, is an Informational document published in February 1996 by B. Carpenter, Y. Rekhter. The canonical text is published by the RFC Editor.
Abstract
Hosts in an IP network are identified by IP addresses, and the IP address prefixes of subnets are advertised by routing protocols. A change in such IP addressing information associated with a host or subnet is known as "renumbering". This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
Read this RFC
The canonical text of RFC 1900 is hosted at rfc-editor.org. Available in TXT,HTML.
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