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 14 IPv4 prefixes with 265,472 addresses, which makes it the 1,043rd largest of 82,223 active autonomous systems by IPv4 space.
IPv4 addresses265,472in 14 prefixes
IPv6 prefixes0none
Size rank#1,043of 82,223 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 updated2025-09-12
IPv4 prefixes
14 prefixes · 265,472 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 |
| 6.148.80.0/24 | 256 | 6.148.80.0 – 6.148.80.255 |
| 6.148.82.0/24 | 256 | 6.148.82.0 – 6.148.82.255 |
| 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 6.148.80.0/24 6.148.82.0/24 143.77.200.0/24 143.138.128.0/24 147.242.7.0/24 192.172.12.0/24 215.1.18.0/24
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"
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