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This pages display all the anomalous IPv6 BGP prefixes (according to RFC2546 - "IPv6 routing Practice")
currently advertised inside the IPv6 backbone. In particular two kinds of anomalous prefixes are displayed:
Invalid prefixes: prefixes outside of the IANA assigned address spaces
(e.g. the old RFC1897 test addresses, 6Bone addresses)
prefixes belonging to the RIR"s delegations but longer than assigned allocation.