Autonomous System
AS5277 United States Department of Defense (DoD)
GovernmentActiveUnited StatesARIN
AS5277 (DNIC-ASBLK-05120-05376) is a government network operated by United States Department of Defense (DoD) in United States, registered with ARIN. It has 17 IPv4 prefixes with 266,240 addresses and 1 IPv6 prefix, which makes it the 1,039th largest of 82,677 active autonomous systems by IPv4 space.
IPv4 addresses266,240in 17 prefixes
IPv6 prefixes1≈ 1.2 × 10²⁴ addresses
Size rank#1,039of 82,677 active ASNs
Details
OrganizationUnited States Department of Defense (DoD)
AS nameDNIC-ASBLK-05120-05376
Websitedefense.gov
Country United States (US)
Network typeGovernment
RegistryARIN
Abuse contactdisa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
Registered1995-05-09
Last updated2026-09-25
IPv4 prefixes
17 prefixes · 266,240 addresses| Network | Addresses | First – last address |
|---|---|---|
| 143.77.0.0/16 | 65,536 | 143.77.0.0 – 143.77.255.255 |
| 143.138.0.0/16 | 65,536 | 143.138.0.0 – 143.138.255.255 |
| 144.59.0.0/16 | 65,536 | 144.59.0.0 – 144.59.255.255 |
| 160.135.0.0/16 | 65,536 | 160.135.0.0 – 160.135.255.255 |
| 147.242.100.0/22 | 1,024 | 147.242.100.0 – 147.242.103.255 |
| 6.16.86.0/24 | 256 | 6.16.86.0 – 6.16.86.255 |
| 6.16.87.0/24 | 256 | 6.16.87.0 – 6.16.87.255 |
| 6.16.201.0/24 | 256 | 6.16.201.0 – 6.16.201.255 |
| 6.148.80.0/24 | 256 | 6.148.80.0 – 6.148.80.255 |
| 6.148.82.0/24 | 256 | 6.148.82.0 – 6.148.82.255 |
| 6.148.83.0/24 | 256 | 6.148.83.0 – 6.148.83.255 |
| 6.148.84.0/24 | 256 | 6.148.84.0 – 6.148.84.255 |
| 143.77.200.0/24 | 256 | 143.77.200.0 – 143.77.200.255 |
| 143.138.128.0/24 | 256 | 143.138.128.0 – 143.138.128.255 |
| 147.242.7.0/24 | 256 | 147.242.7.0 – 147.242.7.255 |
| 192.172.12.0/24 | 256 | 192.172.12.0 – 192.172.12.255 |
| 215.1.18.0/24 | 256 | 215.1.18.0 – 215.1.18.255 |
143.77.0.0/16 143.138.0.0/16 144.59.0.0/16 160.135.0.0/16 147.242.100.0/22 6.16.86.0/24 6.16.87.0/24 6.16.201.0/24 6.148.80.0/24 6.148.82.0/24 6.148.83.0/24 6.148.84.0/24 143.77.200.0/24 143.138.128.0/24 147.242.7.0/24 192.172.12.0/24 215.1.18.0/24
IPv6 prefixes
1 prefix- 2608:c109:c0::/48
2608:c109:c0::/48
Query AS5277 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS5277&key=YOUR_API_KEY"Any address in its prefixes resolves to AS5277, with or without a key:
curl "https://api.ipapi.is/?q=143.77.0.1"Other networks of United States Department of Defense (DoD)
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Largest networks in United States
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