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 16 IPv4 prefixes with 265,984 addresses, which makes it the 1,040th largest of 82,334 active autonomous systems by IPv4 space.
IPv4 addresses265,984in 16 prefixes
IPv6 prefixes0none
Size rank#1,040of 82,334 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
16 prefixes · 265,984 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 |
| 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 6.148.83.0/24 143.77.200.0/24 143.138.128.0/24 147.242.7.0/24 192.172.12.0/24 215.1.18.0/24
IPv6 prefixes
No IPv6 prefixes.
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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