199.31.0.0/16
23 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 199.31.0.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.2.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.4.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.13.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.16.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.32.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.64.0/24 | Unknown (100%) | 1 | 1 | 1 |
| 199.31.66.0/24 | Unknown (100%) | 1 | 1 | 1 |
| 199.31.96.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.104.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.107.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.108.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.130.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.132.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.134.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.136.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.138.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.140.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.146.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.159.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.160.0/24 | United States (100%) | 1 | 1 | 1 |
| 199.31.192.0/24 | Unknown (100%) | 1 | 1 | 1 |
| 199.31.247.0/24 | United States (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
199.31.0.0 – 199.31.1.255 | AS749 | United States Department of Defense (DoD) | US |
199.31.2.0 – 199.31.3.255 | AS391 | Air Force Systems Networking | US |
199.31.4.0 – 199.31.7.255 | AS749 | United States Department of Defense (DoD) | US |
199.31.13.0 – 199.31.15.255 | AS749 | United States Department of Defense (DoD) | US |
199.31.16.0 – 199.31.31.255 | AS668 | United States Department of Defense (DoD) | US |
199.31.32.0 – 199.31.63.255 | AS749 | United States Department of Defense (DoD) | US |
199.31.64.0 – 199.31.65.255 | AS5307 | United States Department of Defense (DoD) | Unknown |
199.31.66.0 – 199.31.95.255 | AS5307 | United States Department of Defense (DoD) | Unknown |
199.31.96.0 – 199.31.103.255 | AS56 | United States Department of Defense (DoD) | US |
199.31.104.0 – 199.31.105.255 | AS749 | United States Department of Defense (DoD) | US |
199.31.107.0 – 199.31.107.255 | AS668 | United States Department of Defense (DoD) | US |
199.31.108.0 – 199.31.129.255 | AS749 | United States Department of Defense (DoD) | US |
199.31.130.0 – 199.31.131.255 | AS27066 | United States Department of Defense (DoD) | US |
199.31.132.0 – 199.31.133.255 | AS749 | United States Department of Defense (DoD) | US |
199.31.134.0 – 199.31.135.255 | AS27064 | United States Department of Defense (DoD) | US |
8 more ranges in this block.