Autonomous System

AS27142 United States Department of Defense (DoD)

GovernmentActiveUnited StatesARIN

AS27142 (DNIC-ASBLK-27032-27159) is a government network operated by United States Department of Defense (DoD) in United States, registered with ARIN. It has 56 IPv4 prefixes with 161,280 addresses and 3 IPv6 prefixes, which makes it the 1,516th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses161,280in 56 prefixes
IPv6 prefixes3≈ 3.6 × 10²⁴ addresses
Size rank#1,516of 82,200 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

56 prefixes · 161,280 addresses
NetworkAddressesFirst – last address
144.251.0.0/1665,536144.251.0.0 – 144.251.255.255
214.22.0.0/1665,536214.22.0.0 – 214.22.255.255
214.66.96.0/198,192214.66.96.0 – 214.66.127.255
164.235.72.0/212,048164.235.72.0 – 164.235.79.255
164.235.232.0/212,048164.235.232.0 – 164.235.239.255
164.235.14.0/23512164.235.14.0 – 164.235.15.255
214.60.196.0/23512214.60.196.0 – 214.60.197.255
214.60.198.0/23512214.60.198.0 – 214.60.199.255
214.60.200.0/23512214.60.200.0 – 214.60.201.255
214.60.202.0/23512214.60.202.0 – 214.60.203.255
214.60.204.0/23512214.60.204.0 – 214.60.205.255
214.60.206.0/23512214.60.206.0 – 214.60.207.255
214.60.208.0/23512214.60.208.0 – 214.60.209.255
214.60.210.0/23512214.60.210.0 – 214.60.211.255
214.60.212.0/23512214.60.212.0 – 214.60.213.255
214.60.214.0/23512214.60.214.0 – 214.60.215.255
214.60.216.0/23512214.60.216.0 – 214.60.217.255
214.60.218.0/23512214.60.218.0 – 214.60.219.255
214.60.220.0/23512214.60.220.0 – 214.60.221.255
214.60.222.0/23512214.60.222.0 – 214.60.223.255
214.60.224.0/23512214.60.224.0 – 214.60.225.255
214.60.226.0/23512214.60.226.0 – 214.60.227.255
214.60.228.0/23512214.60.228.0 – 214.60.229.255
214.60.230.0/23512214.60.230.0 – 214.60.231.255
156.112.7.0/24256156.112.7.0 – 156.112.7.255
The 25 largest of 56. The API and the database have all of them.

IPv6 prefixes

3 prefixes
  • 2608:121:c::/48
  • 2608:122:c::/48
  • 2608:126::/48

Query AS27142 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=AS27142&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS27142, with or without a key:

curl "https://api.ipapi.is/?q=144.251.0.1"

Other networks of United States Department of Defense (DoD)

6 of 108
AS749 United States Department of Defense (DoD)227,464,192 IPv4 addressesAS721 United States Department of Defense (DoD)73,070,080 IPv4 addressesAS56 United States Department of Defense (DoD)8,082,944 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)2,298,624 IPv4 addresses

Largest networks in United States

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