IPv4 prefix
138.138.0.0/16
- IP Prefix (CIDR)
- 138.138.0.0/16
- Subnet Mask
- 255.255.0.0
- Address Count
- 65,536
- Owner
- DoD Network Information Center
- Handle
- DNIC
- Address
- 3990 E. Broad Street Columbus OH 43218 United States
- Registry
- ARIN
- Registered Prefix
- 138.138.0.0/16 (138.138.0.0 - 138.138.255.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 138.136.0.0/13 | Covering | AS721 | United States Department of Defense (DoD) |
United States of America (US)
|
138.136.0.0 | 138.143.255.255 |
| 138.138.0.0/17 | More specific | AS5972 | United States Department of Defense (DoD) |
United States of America (US)
|
138.138.0.0 | 138.138.127.255 |
| 138.138.128.0/18 | More specific | AS5972 | United States Department of Defense (DoD) |
United States of America (US)
|
138.138.128.0 | 138.138.191.255 |
| 138.138.192.0/19 | More specific | AS5972 | United States Department of Defense (DoD) |
United States of America (US)
|
138.138.192.0 | 138.138.223.255 |
| 138.138.224.0/20 | More specific | AS5972 | United States Department of Defense (DoD) |
United States of America (US)
|
138.138.224.0 | 138.138.239.255 |
| 138.138.240.0/22 | More specific | AS5972 | United States Department of Defense (DoD) |
United States of America (US)
|
138.138.240.0 | 138.138.243.255 |
| 138.138.254.0/23 | More specific | AS5972 | United States Department of Defense (DoD) |
United States of America (US)
|
138.138.254.0 | 138.138.255.255 |