| 140.0.0.0/8 | WHOIS (ARIN) | Various Registries (Maintained by ARIN) | US |
| 140.152.0.0/14 | BGP route | AS721 United States Department of Defense (DoD) | — |
| 140.152.0.0/16 | WHOIS (ARIN) | DoD Network Information Center | US |
| 140.152.0.0/16 | ARIN assigned | — | US |
| 140.153.0.0/16 | WHOIS (ARIN) | Headquarters, USAISC | US |
| 140.153.0.0/16 | ARIN assigned | — | US |
| 140.154.0.0/16 | BGP route | AS1580 United States Department of Defense (DoD) | — |
| 140.154.0.0/16 | WHOIS (ARIN) | Headquarters, USAISC | US |
| 140.154.0.0/16 | ARIN assigned | — | US |
| 140.155.0.0/16 | WHOIS (ARIN) | Headquarters, USAISC | US |
| 140.155.0.0/16 | ARIN assigned | — | US |
| 140.155.160.0/19 | BGP route | AS367 United States Department of Defense (DoD) | — |
| 140.155.144.0/20 | BGP route | AS367 United States Department of Defense (DoD) | — |
| 140.155.0.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.2.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.4.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.12.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.14.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.16.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.34.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.36.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.38.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.40.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.42.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.44.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.64.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.82.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.84.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.96.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.98.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.100.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.108.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.144.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.146.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.154.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.156.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.158.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.192.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.224.0/23 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.153.25.0/24 | BGP route | AS367 United States Department of Defense (DoD) | — |
| 140.153.38.0/24 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.153.43.0/24 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.153.46.0/24 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.153.70.0/24 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.153.72.0/24 | BGP route | AS721 United States Department of Defense (DoD) | — |
| 140.153.105.0/24 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.153.163.0/24 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.153.179.0/24 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.153.234.0/24 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.10.0/24 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.18.0/24 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.19.0/24 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.20.0/24 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.21.0/24 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.22.0/24 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.23.0/24 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.24.0/24 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.25.0/24 | BGP route | AS1540 Headquarters, USAISC | — |
| 140.155.26.0/24 | BGP route | AS1540 Headquarters, USAISC | — |