i belive the space in question ( before 172.16.0.0 - 172.31.255.255) is not in the arin database. --- Edward Lewis <Ed.Lewis@neustar.biz> wrote:
But that doesn't answer the question: (;))
NetRange: 172.16.0.0 - 172.31.255.255 CIDR: 172.16.0.0/12 NetName: IANA-BBLK-RESERVED
That's the reserved range, he's looking for the /16 "before" that.
arin says... Various Registries (Maintained by ARIN) NET172 (NET-172-0-0-0-0) 172.0.0.0 - 172.255.255.255 Internet Assigned Numbers Authority IANA-BBLK-RESERVED (NET-172-16-0-0-1) 172.16.0.0 - 172.31.255.255 America Online AOL-172BLK (NET-172-128-0-0-1) 172.128.0.0 - 172.191.255.255 America Online AOL-172BLK-2 (NET-172-192-0-0-1) 172.192.0.0 - 172.216.255.255 As for the "Various Registries" issue, the hedder for the 192.* group says the same thing... Various Registries (Maintained by ARIN) NET192 (NET-192-0-0-0-0) 192.0.0.0 - 192.255.255.255 Internet Assigned Numbers Authority RESERVED-192 (NET-192-0-0-0-1) 192.0.0.0 - 192.0.127.255