Autonomous System
AS324 United States Department of Defense (DoD)
GovernmentActiveUnited StatesARIN
AS324 (DNIC-ASBLK-00306-00371) is a government network operated by United States Department of Defense (DoD) in United States, registered with ARIN. It has 6 IPv4 prefixes with 66,816 addresses and 2 IPv6 prefixes, which makes it the 3,239th largest of 82,141 active autonomous systems by IPv4 space.
IPv4 addresses66,816in 6 prefixes
IPv6 prefixes2≈ 6.2 × 10²⁶ addresses
Size rank#3,239of 82,141 active ASNs
Details
OrganizationUnited States Department of Defense (DoD)
AS nameDNIC-ASBLK-00306-00371
Websitedefense.gov
Country United States (US)
Network typeGovernment
RegistryARIN
Abuse contactdisa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
Registered1989-06-30
Last updated2025-09-12
IPv4 prefixes
6 prefixes · 66,816 addresses| Network | Addresses | First – last address |
|---|---|---|
| 55.39.0.0/16 | 65,536 | 55.39.0.0 – 55.39.255.255 |
| 55.39.25.0/24 | 256 | 55.39.25.0 – 55.39.25.255 |
| 55.39.26.0/24 | 256 | 55.39.26.0 – 55.39.26.255 |
| 55.39.27.0/24 | 256 | 55.39.27.0 – 55.39.27.255 |
| 55.39.31.0/24 | 256 | 55.39.31.0 – 55.39.31.255 |
| 55.39.32.0/24 | 256 | 55.39.32.0 – 55.39.32.255 |
55.39.0.0/16 55.39.25.0/24 55.39.26.0/24 55.39.27.0/24 55.39.31.0/24 55.39.32.0/24
IPv6 prefixes
2 prefixes- 2608:12b:4600::/40
- 2608:14a:4200::/40
2608:12b:4600::/40 2608:14a:4200::/40
Query AS324 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=AS324&key=YOUR_API_KEY"Any address in its prefixes resolves to AS324, with or without a key:
curl "https://api.ipapi.is/?q=55.39.0.1"Other networks of United States Department of Defense (DoD)
6 of 108AS749 United States Department of Defense (DoD)227,398,912 IPv4 addressesAS721 United States Department of Defense (DoD)72,922,368 IPv4 addressesAS56 United States Department of Defense (DoD)8,089,600 IPv4 addressesAS306 United States Department of Defense (DoD)4,666,880 IPv4 addressesAS668 United States Department of Defense (DoD)2,558,464 IPv4 addressesAS5972 United States Department of Defense (DoD)2,300,416 IPv4 addresses
Largest networks in United States
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