RFC 4085:Embedding Globally-Routable Internet Addr...
RFC-Ref

prefix


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... IP addresses or IP subnet prefixes. Thus, they are sometimes used as service identifiers ...
... routers and middleboxes for personal or residential use. In another case, IP address prefixes that had once been reserved by the Internet Assigned Numbers Authority (IANA) were embedded in a router ...


... Internet community). This is commonly done by introducing a service-specific prefix to the domain name. ...
... type of RR that uses a service-specific prefix in combination with a base domain name. For example, an SRV ...
... documentation and example code. The IPv6 global unicast address prefix 2001:DB8::/32 has been similarly reserved for documentation purposes RFC 3849 [4 ...


... Huston, G., Lord, A., and P. Smith, "IPv6 Address Prefix Reserved for Documentation", RFC 3849, July 2004. ...



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