Autonomous System
AS1637 Headquarters, USAISC
GovernmentActiveUnited StatesARIN
AS1637 (DNIC-AS-01637) is a government network operated by Headquarters, USAISC in United States, registered with ARIN. It has 111 IPv4 prefixes with 230,400 addresses and 1 IPv6 prefix, which makes it the 1,155th largest of 82,141 active autonomous systems by IPv4 space.
IPv4 addresses230,400in 111 prefixes
IPv6 prefixes1≈ 1.2 × 10²⁴ addresses
Size rank#1,155of 82,141 active ASNs
Details
OrganizationHeadquarters, USAISC
AS nameDNIC-AS-01637
Websitewww.army.mil
Country United States (US)
Network typeGovernment
RegistryARIN
Abuse contactdisa.columbus.ns.mbx.arin-registrations@mail.mil
Registered2004-05-12
Last updated2011-08-24
IPv4 prefixes
111 prefixes · 230,400 addresses| Network | Addresses | First – last address |
|---|---|---|
| 143.46.0.0/16 | 65,536 | 143.46.0.0 – 143.46.255.255 |
| 155.5.0.0/16 | 65,536 | 155.5.0.0 – 155.5.255.255 |
| 155.6.0.0/16 | 65,536 | 155.6.0.0 – 155.6.255.255 |
| 143.68.152.0/21 | 2,048 | 143.68.152.0 – 143.68.159.255 |
| 6.134.24.0/22 | 1,024 | 6.134.24.0 – 6.134.27.255 |
| 143.46.116.0/22 | 1,024 | 143.46.116.0 – 143.46.119.255 |
| 143.46.120.0/22 | 1,024 | 143.46.120.0 – 143.46.123.255 |
| 143.46.164.0/22 | 1,024 | 143.46.164.0 – 143.46.167.255 |
| 143.46.8.0/23 | 512 | 143.46.8.0 – 143.46.9.255 |
| 143.46.128.0/23 | 512 | 143.46.128.0 – 143.46.129.255 |
| 143.46.130.0/23 | 512 | 143.46.130.0 – 143.46.131.255 |
| 143.46.134.0/23 | 512 | 143.46.134.0 – 143.46.135.255 |
| 155.5.142.0/23 | 512 | 155.5.142.0 – 155.5.143.255 |
| 6.16.88.0/24 | 256 | 6.16.88.0 – 6.16.88.255 |
| 6.16.89.0/24 | 256 | 6.16.89.0 – 6.16.89.255 |
| 143.46.5.0/24 | 256 | 143.46.5.0 – 143.46.5.255 |
| 143.46.10.0/24 | 256 | 143.46.10.0 – 143.46.10.255 |
| 143.46.11.0/24 | 256 | 143.46.11.0 – 143.46.11.255 |
| 143.46.12.0/24 | 256 | 143.46.12.0 – 143.46.12.255 |
| 143.46.17.0/24 | 256 | 143.46.17.0 – 143.46.17.255 |
| 143.46.18.0/24 | 256 | 143.46.18.0 – 143.46.18.255 |
| 143.46.20.0/24 | 256 | 143.46.20.0 – 143.46.20.255 |
| 143.46.21.0/24 | 256 | 143.46.21.0 – 143.46.21.255 |
| 143.46.22.0/24 | 256 | 143.46.22.0 – 143.46.22.255 |
| 143.46.23.0/24 | 256 | 143.46.23.0 – 143.46.23.255 |
143.46.0.0/16 155.5.0.0/16 155.6.0.0/16 143.68.152.0/21 6.134.24.0/22 143.46.116.0/22 143.46.120.0/22 143.46.164.0/22 143.46.8.0/23 143.46.128.0/23 143.46.130.0/23 143.46.134.0/23 155.5.142.0/23 6.16.88.0/24 6.16.89.0/24 143.46.5.0/24 143.46.10.0/24 143.46.11.0/24 143.46.12.0/24 143.46.17.0/24 143.46.18.0/24 143.46.20.0/24 143.46.21.0/24 143.46.22.0/24 143.46.23.0/24
The 25 largest of 111. The API and the database have all of them.
IPv6 prefixes
1 prefix- 2608:c141:30::/48
2608:c141:30::/48
Query AS1637 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=AS1637&key=YOUR_API_KEY"Any address in its prefixes resolves to AS1637, with or without a key:
curl "https://api.ipapi.is/?q=143.46.0.1"Other networks of Headquarters, USAISC
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