Autonomous System
AS1280 Internet Systems Consortium, Inc.
BusinessActiveUnited StatesARIN
AS1280 (ISC-AS-1280) is a business network operated by Internet Systems Consortium, Inc. in United States, registered with ARIN. It has 91 IPv4 prefixes with 25,088 addresses and 7 IPv6 prefixes, which makes it the 6,023rd largest of 82,141 active autonomous systems by IPv4 space.
IPv4 addresses25,088in 91 prefixes
IPv6 prefixes7≈ 7.9 × 10²⁸ addresses
Size rank#6,023of 82,141 active ASNs
Details
OrganizationInternet Systems Consortium, Inc.
AS nameISC-AS-1280
Websiteisc.org
Country United States (US)
Network typeBusiness
RegistryARIN
Abuse contactabuse@isc.org
Registered1991-07-31
Last updated2012-04-02
IPv4 prefixes
91 prefixes · 25,088 addresses| Network | Addresses | First – last address |
|---|---|---|
| 204.152.184.0/21 | 2,048 | 204.152.184.0 – 204.152.191.255 |
| 149.20.1.0/24 | 256 | 149.20.1.0 – 149.20.1.255 |
| 149.20.6.0/24 | 256 | 149.20.6.0 – 149.20.6.255 |
| 149.20.7.0/24 | 256 | 149.20.7.0 – 149.20.7.255 |
| 149.20.8.0/24 | 256 | 149.20.8.0 – 149.20.8.255 |
| 149.20.10.0/24 | 256 | 149.20.10.0 – 149.20.10.255 |
| 149.20.12.0/24 | 256 | 149.20.12.0 – 149.20.12.255 |
| 149.20.13.0/24 | 256 | 149.20.13.0 – 149.20.13.255 |
| 149.20.14.0/24 | 256 | 149.20.14.0 – 149.20.14.255 |
| 149.20.15.0/24 | 256 | 149.20.15.0 – 149.20.15.255 |
| 149.20.16.0/24 | 256 | 149.20.16.0 – 149.20.16.255 |
| 149.20.17.0/24 | 256 | 149.20.17.0 – 149.20.17.255 |
| 149.20.18.0/24 | 256 | 149.20.18.0 – 149.20.18.255 |
| 149.20.19.0/24 | 256 | 149.20.19.0 – 149.20.19.255 |
| 149.20.20.0/24 | 256 | 149.20.20.0 – 149.20.20.255 |
| 149.20.21.0/24 | 256 | 149.20.21.0 – 149.20.21.255 |
| 149.20.22.0/24 | 256 | 149.20.22.0 – 149.20.22.255 |
| 149.20.23.0/24 | 256 | 149.20.23.0 – 149.20.23.255 |
| 149.20.24.0/24 | 256 | 149.20.24.0 – 149.20.24.255 |
| 149.20.25.0/24 | 256 | 149.20.25.0 – 149.20.25.255 |
| 149.20.26.0/24 | 256 | 149.20.26.0 – 149.20.26.255 |
| 149.20.27.0/24 | 256 | 149.20.27.0 – 149.20.27.255 |
| 149.20.28.0/24 | 256 | 149.20.28.0 – 149.20.28.255 |
| 149.20.29.0/24 | 256 | 149.20.29.0 – 149.20.29.255 |
| 149.20.30.0/24 | 256 | 149.20.30.0 – 149.20.30.255 |
204.152.184.0/21 149.20.1.0/24 149.20.6.0/24 149.20.7.0/24 149.20.8.0/24 149.20.10.0/24 149.20.12.0/24 149.20.13.0/24 149.20.14.0/24 149.20.15.0/24 149.20.16.0/24 149.20.17.0/24 149.20.18.0/24 149.20.19.0/24 149.20.20.0/24 149.20.21.0/24 149.20.22.0/24 149.20.23.0/24 149.20.24.0/24 149.20.25.0/24 149.20.26.0/24 149.20.27.0/24 149.20.28.0/24 149.20.29.0/24 149.20.30.0/24
The 25 largest of 91. The API and the database have all of them.
IPv6 prefixes
7 prefixes- 2001:4f8::/32
- 2001:4f8:4::/46
- 2001:4f8::/48
- 2001:4f8:4::/48
- 2001:4f8:8::/48
- 2001:4f8:fffe::/48
- 2001:4f8:ffff::/48
2001:4f8::/32 2001:4f8:4::/46 2001:4f8::/48 2001:4f8:4::/48 2001:4f8:8::/48 2001:4f8:fffe::/48 2001:4f8:ffff::/48
Query AS1280 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=AS1280&key=YOUR_API_KEY"
Any address in its prefixes resolves to AS1280, with or without a key:
curl "https://api.ipapi.is/?q=204.152.184.1"
Largest networks in United States
AS749 United States Department of Defense (DoD)227,398,912 IPv4 addressesAS16509 Amazon.com, Inc.217,931,264 IPv4 addressesAS7018 AT&T Enterprises, LLC117,261,568 IPv4 addressesAS8075 Microsoft Corporation81,468,160 IPv4 addressesAS721 United States Department of Defense (DoD)72,922,368 IPv4 addressesAS7922 Comcast Cable Communications, LLC68,336,896 IPv4 addresses