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Summary
| Country |
 United States
|
| Domain | nic.mil |
| Size | 2,048 |
| Registry | ARIN |
| Network Name | CERNERBLOCK |
Whois
Various Registries (Maintained by ARIN) NET138 (NET-138-0-0-0-0) 138.0.0.0 - 138.255.255.255
United States Department of Defense (DoD) CERNERBLOCK (NET-138-138-0-0-1) 138.138.0.0 - 138.138.255.255
DoD Network Information Center CERNERBLOCK (NET-138-138-0-0-2) 138.138.0.0 - 138.138.255.255CIDR IP address subranges within 138.138.48.0/21 subnet
- 138.138.48.0/24
- 138.138.49.0/24
- 138.138.50.0/24
- 138.138.51.0/24
- 138.138.52.0/24
- 138.138.53.0/24
- 138.138.54.0/24
- 138.138.55.0/24