IPv4 prefix
131.4.0.0/15
- IP Prefix (CIDR)
- 131.4.0.0/15
- Subnet Mask
- 255.254.0.0
- Address Count
- 131,072
- Owner
- Air Force Systems Networking
- Handle
- 7ESG
- Address
- 501 EAST MOORE DR. BLDG 884 RM 1100 GUNTHER ANNEX MAXWELL AFB AL 36114 United States
- Registry
- ARIN
- Registered Prefixes
-
131.4.0.0/16 (131.4.0.0 - 131.4.255.255)
131.5.0.0/16 (131.5.0.0 - 131.5.255.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 131.4.0.0/15 | Exact | AS721 | United States Department of Defense (DoD) |
United States of America (US)
|
131.4.0.0 | 131.5.255.255 |
| 131.5.48.0/20 | More specific | AS56 | United States Department of Defense (DoD) |
United States of America (US)
|
131.5.48.0 | 131.5.63.255 |