Registry included below
Registrations no longer accepted
One of the Class A networks (18.104.22.168/8) was used to map between Internet Addresses and the Public Data Network Addresses (X.121). This network was reclaimed by IANA in 2007 and was was subsequently re-allocated in 2010. See [IANA registry ipv4-address-space]. See [RFC877] and [RFC1356] for historical information.
|No registrations at this time.|