https://rdap.arin.net/registry/ip/192.88.99.0https://whois.arin.net/rest/net/NET-192-88-99-0-1192.88.99.255NET-192-88-99-0-16TO4-RELAY-ANYCAST-IANA-RESERVED24192.88.99.255IANA Special UseIU192.88.99.0falsehttps://whois.arin.net/rest/org/IANAhttps://whois.arin.net/rest/net/NET-192-0-0-0-0Addresses starting with "192.88.99." are used by anyone running a 6to4 relay router. Many different organizations use these addresses, which means they cannot be used to identify an individual network operator.ՏՏThe 6to4 protocol provides tunneled IPv6 connectivity for networks without native IPv6 access.ՏՏThese addresses were assigned by the IETF, the organization that develops Internet protocols, in the Informational document RFC 5737, which can be found at:Տhttp://datatracker.ietf.org/doc/rfc5737192.88.99.02024-05-24T10:19:53-04:004