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
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationUnited States Department of Defense (DoD)
AS nameDNIC-ASBLK-05120-05376
Country United States (US)
Network typeGovernment
RegistryARIN
Registered1995-05-09
Last updated2025-09-12

IPv4 prefixes

14 prefixes · 265,472 addresses
NetworkAddressesFirst – last address
143.77.0.0/1665,536143.77.0.0 – 143.77.255.255
143.138.0.0/1665,536143.138.0.0 – 143.138.255.255
144.59.0.0/1665,536144.59.0.0 – 144.59.255.255
160.135.0.0/1665,536160.135.0.0 – 160.135.255.255
147.242.100.0/221,024147.242.100.0 – 147.242.103.255
6.16.86.0/242566.16.86.0 – 6.16.86.255
6.16.87.0/242566.16.87.0 – 6.16.87.255
6.148.80.0/242566.148.80.0 – 6.148.80.255
6.148.82.0/242566.148.82.0 – 6.148.82.255
143.77.200.0/24256143.77.200.0 – 143.77.200.255
143.138.128.0/24256143.138.128.0 – 143.138.128.255
147.242.7.0/24256147.242.7.0 – 147.242.7.255
192.172.12.0/24256192.172.12.0 – 192.172.12.255
215.1.18.0/24256215.1.18.0 – 215.1.18.255

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)

6 of 108

Largest networks in United States