Summary
| Country |
 United States
|
| Domain | in-addr.arpa |
| Size | 1,024 |
| IP Range |
172.121.44.0 – 172.121.47.255
Convert CIDR to IP range
|
| Registry | ARIN |
| Network Name | NET-172-121-44-0-24 |
Whois
Various Registries (Maintained by ARIN) NET172 (NET-172-0-0-0-0) 172.0.0.0 - 172.255.255.255
EGIHosting EGN-23 (NET-172-120-0-0-1) 172.120.0.0 - 172.121.255.255