Autonomous System

AS747 Headquarters, USAISC

GovernmentActiveUnited StatesARIN

AS747 (DNIC-AS-00747) is a government network operated by Headquarters, USAISC in United States, registered with ARIN. It has 39 IPv4 prefixes with 128,768 addresses, which makes it the 1,984th largest of 82,534 active autonomous systems by IPv4 space.

IPv4 addresses128,768in 39 prefixes
IPv6 prefixes0none
Size rank#1,984of 82,534 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationHeadquarters, USAISC
AS nameDNIC-AS-00747
Websitearmy.mil
Country United States (US)
Network typeGovernment
RegistryARIN
Abuse contactdisa.columbus.ns.mbx.arin-registrations@mail.mil
Registered1990-09-25
Last updated2011-08-02

IPv4 prefixes

39 prefixes · 128,768 addresses
NetworkAddressesFirst – last address
147.242.0.0/1665,536147.242.0.0 – 147.242.255.255
143.68.64.0/198,192143.68.64.0 – 143.68.95.255
160.143.192.0/198,192160.143.192.0 – 160.143.223.255
160.143.224.0/198,192160.143.224.0 – 160.143.255.255
144.107.144.0/204,096144.107.144.0 – 144.107.159.255
150.196.48.0/204,096150.196.48.0 – 150.196.63.255
150.196.64.0/204,096150.196.64.0 – 150.196.79.255
150.196.80.0/204,096150.196.80.0 – 150.196.95.255
215.1.96.0/204,096215.1.96.0 – 215.1.111.255
143.68.96.0/212,048143.68.96.0 – 143.68.103.255
144.104.16.0/212,048144.104.16.0 – 144.104.23.255
144.104.248.0/212,048144.104.248.0 – 144.104.255.255
144.107.128.0/212,048144.107.128.0 – 144.107.135.255
144.107.136.0/212,048144.107.136.0 – 144.107.143.255
155.20.148.0/221,024155.20.148.0 – 155.20.151.255
160.140.252.0/221,024160.140.252.0 – 160.140.255.255
6.148.95.0/242566.148.95.0 – 6.148.95.255
143.73.173.0/24256143.73.173.0 – 143.73.173.255
143.74.251.0/24256143.74.251.0 – 143.74.251.255
147.242.1.0/24256147.242.1.0 – 147.242.1.255
147.242.3.0/24256147.242.3.0 – 147.242.3.255
147.242.5.0/24256147.242.5.0 – 147.242.5.255
147.242.8.0/24256147.242.8.0 – 147.242.8.255
147.242.21.0/24256147.242.21.0 – 147.242.21.255
147.242.50.0/24256147.242.50.0 – 147.242.50.255
The 25 largest of 39. The API and the database have all of them.

IPv6 prefixes

No IPv6 prefixes.

Query AS747 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=AS747&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS747, with or without a key:

curl "https://api.ipapi.is/?q=147.242.0.1"

Other networks of Headquarters, USAISC

6 of 13
AS1540 Headquarters, USAISC8,384,000 IPv4 addressesAS4010 Headquarters, USAISC1,176,832 IPv4 addressesAS1602 Headquarters, USAISC235,776 IPv4 addressesAS1637 Headquarters, USAISC230,912 IPv4 addressesAS1649 Headquarters, USAISC149,760 IPv4 addressesAS1530 Headquarters, USAISC138,496 IPv4 addresses

Largest networks in United States

AS749 United States Department of Defense (DoD)227,398,400 IPv4 addressesAS16509 Amazon.com, Inc.218,442,752 IPv4 addressesAS7018 AT&T Enterprises, LLC117,260,800 IPv4 addressesAS8075 Microsoft Corporation81,466,624 IPv4 addressesAS721 United States Department of Defense (DoD)72,988,160 IPv4 addressesAS7922 Comcast Cable Communications, LLC68,337,664 IPv4 addresses