Starting, was used to map Public Data Network ( X.121) addresses to IP addresses. IBM except for 9.9.9.0/24, which is Quad9. Formerly Bolt Beranek and Newman Inc., then GTE, then Genuity, then Level 3 Communications, Inc. The regional Internet registries ( RIR) allocate IPs within a particular region of the world.Ī. List of assigned /8 blocks to the regional Internet registries Map of regional Internet registries Updated to DoD Network Information Center in 2007-02. Formerly Boeing Computer Services 1995-04. Updated to Administered by ARIN not before 2007. List of assigned /8 blocks to the United States Department of Defense BlockĮntirely assigned to DoD Network Information Center (DNIC). Assignment administered by ARIN (Legacy space)Īssignment administered by RIPE (Legacy space) Assignment administered by ARIN (Legacy space)Īssignment administered by ARIN (Legacy space)įormerly PSINet. Originally AT&T Bell Laboratories, but retained by AT&T when Bell Labs was spun off to Lucent Technologies in 1996. List of assigned /8 blocks to commercial organisations Block 255.255.255.255 is reserved for 'limited broadcast' destination address. Reserved for future use (formerly 'Class E' ). Multicast (formerly ' Class D' ) registered in. 0.0.0.0/8 reserved for self-identification.
