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 46 IPv4 prefixes with 145,920 addresses and 1 IPv6 prefix, which makes it the 1,629th largest of 82,141 active autonomous systems by IPv4 space.
IPv4 addresses145,920in 46 prefixes
IPv6 prefixes1≈ 1.2 × 10²⁴ addresses
Size rank#1,629of 82,141 active ASNs
Details
OrganizationHeadquarters, USAISC
AS nameDNIC-AS-00747
Websitewww.army.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
46 prefixes · 145,920 addresses| Network | Addresses | First – last address |
|---|---|---|
| 147.242.0.0/16 | 65,536 | 147.242.0.0 – 147.242.255.255 |
| 143.68.64.0/19 | 8,192 | 143.68.64.0 – 143.68.95.255 |
| 160.143.192.0/19 | 8,192 | 160.143.192.0 – 160.143.223.255 |
| 160.143.224.0/19 | 8,192 | 160.143.224.0 – 160.143.255.255 |
| 143.73.240.0/20 | 4,096 | 143.73.240.0 – 143.73.255.255 |
| 143.76.112.0/20 | 4,096 | 143.76.112.0 – 143.76.127.255 |
| 143.86.128.0/20 | 4,096 | 143.86.128.0 – 143.86.143.255 |
| 144.107.144.0/20 | 4,096 | 144.107.144.0 – 144.107.159.255 |
| 144.107.224.0/20 | 4,096 | 144.107.224.0 – 144.107.239.255 |
| 150.196.48.0/20 | 4,096 | 150.196.48.0 – 150.196.63.255 |
| 150.196.64.0/20 | 4,096 | 150.196.64.0 – 150.196.79.255 |
| 150.196.80.0/20 | 4,096 | 150.196.80.0 – 150.196.95.255 |
| 215.1.96.0/20 | 4,096 | 215.1.96.0 – 215.1.111.255 |
| 143.68.96.0/21 | 2,048 | 143.68.96.0 – 143.68.103.255 |
| 144.104.16.0/21 | 2,048 | 144.104.16.0 – 144.104.23.255 |
| 144.104.248.0/21 | 2,048 | 144.104.248.0 – 144.104.255.255 |
| 144.107.128.0/21 | 2,048 | 144.107.128.0 – 144.107.135.255 |
| 144.107.136.0/21 | 2,048 | 144.107.136.0 – 144.107.143.255 |
| 155.20.148.0/22 | 1,024 | 155.20.148.0 – 155.20.151.255 |
| 160.140.252.0/22 | 1,024 | 160.140.252.0 – 160.140.255.255 |
| 6.148.95.0/24 | 256 | 6.148.95.0 – 6.148.95.255 |
| 143.73.173.0/24 | 256 | 143.73.173.0 – 143.73.173.255 |
| 143.74.251.0/24 | 256 | 143.74.251.0 – 143.74.251.255 |
| 143.76.227.0/24 | 256 | 143.76.227.0 – 143.76.227.255 |
| 143.76.239.0/24 | 256 | 143.76.239.0 – 143.76.239.255 |
147.242.0.0/16 143.68.64.0/19 160.143.192.0/19 160.143.224.0/19 143.73.240.0/20 143.76.112.0/20 143.86.128.0/20 144.107.144.0/20 144.107.224.0/20 150.196.48.0/20 150.196.64.0/20 150.196.80.0/20 215.1.96.0/20 143.68.96.0/21 144.104.16.0/21 144.104.248.0/21 144.107.128.0/21 144.107.136.0/21 155.20.148.0/22 160.140.252.0/22 6.148.95.0/24 143.73.173.0/24 143.74.251.0/24 143.76.227.0/24 143.76.239.0/24
The 25 largest of 46. The API and the database have all of them.
IPv6 prefixes
1 prefix- 2608:c109:c0::/48
2608:c109:c0::/48
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 13AS1540 Headquarters, USAISC7,270,400 IPv4 addressesAS4010 Headquarters, USAISC1,176,832 IPv4 addressesAS1602 Headquarters, USAISC235,520 IPv4 addressesAS1637 Headquarters, USAISC230,400 IPv4 addressesAS1649 Headquarters, USAISC149,760 IPv4 addressesAS1530 Headquarters, USAISC138,496 IPv4 addresses
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