Autonomous System

AS27046 United States Department of Defense (DoD)

GovernmentActiveUnited StatesARIN

AS27046 (DNIC-ASBLK-27032-27159) is a government network operated by United States Department of Defense (DoD) in United States, registered with ARIN. It has 510 IPv4 prefixes with 334,080 addresses and 113 IPv6 prefixes, which makes it the 873rd largest of 82,558 active autonomous systems by IPv4 space.

IPv4 addresses334,080in 510 prefixes
IPv6 prefixes113≈ 1.4 × 10²⁶ addresses
Size rank#873of 82,558 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationUnited States Department of Defense (DoD)
AS nameDNIC-ASBLK-27032-27159
Websitedefense.gov
Country United States (US)
Network typeGovernment
RegistryARIN
Abuse contactdisa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
Registered2003-01-16
Last updated2025-09-12

IPv4 prefixes

510 prefixes · 334,080 addresses
NetworkAddressesFirst – last address
164.87.192.0/1816,384164.87.192.0 – 164.87.255.255
164.87.160.0/198,192164.87.160.0 – 164.87.191.255
131.76.224.0/204,096131.76.224.0 – 131.76.239.255
131.76.240.0/204,096131.76.240.0 – 131.76.255.255
138.141.16.0/204,096138.141.16.0 – 138.141.31.255
140.18.32.0/204,096140.18.32.0 – 140.18.47.255
164.87.160.0/204,096164.87.160.0 – 164.87.175.255
164.87.224.0/204,096164.87.224.0 – 164.87.239.255
164.87.240.0/204,096164.87.240.0 – 164.87.255.255
214.73.64.0/204,096214.73.64.0 – 214.73.79.255
214.73.80.0/204,096214.73.80.0 – 214.73.95.255
131.70.16.0/212,048131.70.16.0 – 131.70.23.255
131.70.80.0/212,048131.70.80.0 – 131.70.87.255
131.74.160.0/212,048131.74.160.0 – 131.74.167.255
131.74.176.0/212,048131.74.176.0 – 131.74.183.255
131.76.176.0/212,048131.76.176.0 – 131.76.183.255
131.76.184.0/212,048131.76.184.0 – 131.76.191.255
138.140.192.0/212,048138.140.192.0 – 138.140.199.255
140.12.192.0/212,048140.12.192.0 – 140.12.199.255
140.12.200.0/212,048140.12.200.0 – 140.12.207.255
140.12.208.0/212,048140.12.208.0 – 140.12.215.255
144.11.72.0/212,048144.11.72.0 – 144.11.79.255
144.18.16.0/212,048144.18.16.0 – 144.18.23.255
164.87.24.0/212,048164.87.24.0 – 164.87.31.255
164.87.32.0/212,048164.87.32.0 – 164.87.39.255
The 25 largest of 510. The API and the database have all of them.

IPv6 prefixes

113 prefixes
  • 2608:100:1::/48
  • 2608:100:18::/48
  • 2608:101:1::/48
  • 2608:101:2::/48
  • 2608:101:3::/48
  • 2608:102:1::/48
  • 2608:102:3::/48
  • 2608:102:18::/48
  • 2608:104:1::/48
  • 2608:104:3::/48
  • 2608:105:1::/48
  • 2608:105:3::/48
  • 2608:106::/48
  • 2608:106:2::/48
  • 2608:106:3::/48
  • 2608:107::/48
  • 2608:107:2::/48
  • 2608:107:3::/48
  • 2608:108:2::/48
  • 2608:108:3::/48
  • 2608:109::/48
  • 2608:109:2::/48
  • 2608:120:2::/48
  • 2608:120:4::/48
  • 2608:121:1::/48
The 25 largest of 113. The API and the database have all of them.

Query AS27046 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=AS27046&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS27046, with or without a key:

curl "https://api.ipapi.is/?q=164.87.192.1"

Other networks of United States Department of Defense (DoD)

6 of 110
AS749 United States Department of Defense (DoD)227,398,656 IPv4 addressesAS721 United States Department of Defense (DoD)72,988,416 IPv4 addressesAS56 United States Department of Defense (DoD)8,089,856 IPv4 addressesAS306 United States Department of Defense (DoD)4,666,880 IPv4 addressesAS668 United States Department of Defense (DoD)2,552,064 IPv4 addressesAS5972 United States Department of Defense (DoD)2,302,464 IPv4 addresses

Largest networks in United States

AS749 United States Department of Defense (DoD)227,398,656 IPv4 addressesAS16509 Amazon.com, Inc.218,488,832 IPv4 addressesAS7018 AT&T Enterprises, LLC117,261,056 IPv4 addressesAS8075 Microsoft Corporation81,467,904 IPv4 addressesAS721 United States Department of Defense (DoD)72,988,416 IPv4 addressesAS7922 Comcast Cable Communications, LLC68,337,664 IPv4 addresses