Autonomous System
AS166 Institute for Defense Analyses
BusinessActiveUnited StatesARIN
AS166 (IDA-AS) is a business network operated by Institute for Defense Analyses in United States, registered with ARIN. It has 18 IPv4 prefixes with 134,656 addresses, which makes it the 1,767th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses134,656in 18 prefixes
IPv6 prefixes0none
Size rank#1,767of 82,200 active ASNs
Details
OrganizationInstitute for Defense Analyses
AS nameIDA-AS
Websiteida.org
Country United States (US)
Network typeBusiness
RegistryARIN
Abuse contactcmurphy@ida.org
Registered1988-03-29
Last updated2022-05-20
IPv4 prefixes
18 prefixes · 134,656 addresses| Network | Addresses | First – last address |
|---|---|---|
| 129.246.0.0/17 | 32,768 | 129.246.0.0 – 129.246.127.255 |
| 129.246.128.0/17 | 32,768 | 129.246.128.0 – 129.246.255.255 |
| 164.217.0.0/17 | 32,768 | 164.217.0.0 – 164.217.127.255 |
| 164.217.128.0/17 | 32,768 | 164.217.128.0 – 164.217.255.255 |
| 129.246.101.0/24 | 256 | 129.246.101.0 – 129.246.101.255 |
| 129.246.225.0/24 | 256 | 129.246.225.0 – 129.246.225.255 |
| 129.246.228.0/24 | 256 | 129.246.228.0 – 129.246.228.255 |
| 129.246.229.0/24 | 256 | 129.246.229.0 – 129.246.229.255 |
| 129.246.230.0/24 | 256 | 129.246.230.0 – 129.246.230.255 |
| 129.246.235.0/24 | 256 | 129.246.235.0 – 129.246.235.255 |
| 129.246.243.0/24 | 256 | 129.246.243.0 – 129.246.243.255 |
| 129.246.253.0/24 | 256 | 129.246.253.0 – 129.246.253.255 |
| 129.246.254.0/24 | 256 | 129.246.254.0 – 129.246.254.255 |
| 164.217.225.0/24 | 256 | 164.217.225.0 – 164.217.225.255 |
| 164.217.228.0/24 | 256 | 164.217.228.0 – 164.217.228.255 |
| 164.217.253.0/24 | 256 | 164.217.253.0 – 164.217.253.255 |
| 164.217.254.0/24 | 256 | 164.217.254.0 – 164.217.254.255 |
| 198.133.241.0/24 | 256 | 198.133.241.0 – 198.133.241.255 |
129.246.0.0/17 129.246.128.0/17 164.217.0.0/17 164.217.128.0/17 129.246.101.0/24 129.246.225.0/24 129.246.228.0/24 129.246.229.0/24 129.246.230.0/24 129.246.235.0/24 129.246.243.0/24 129.246.253.0/24 129.246.254.0/24 164.217.225.0/24 164.217.228.0/24 164.217.253.0/24 164.217.254.0/24 198.133.241.0/24
IPv6 prefixes
No IPv6 prefixes.
Query AS166 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=AS166&key=YOUR_API_KEY"Any address in its prefixes resolves to AS166, with or without a key:
curl "https://api.ipapi.is/?q=129.246.0.1"Largest networks in United States
AS749 United States Department of Defense (DoD)227,464,192 IPv4 addressesAS16509 Amazon.com, Inc.218,038,784 IPv4 addressesAS7018 AT&T Enterprises, LLC117,262,080 IPv4 addressesAS8075 Microsoft Corporation81,463,040 IPv4 addressesAS721 United States Department of Defense (DoD)73,070,080 IPv4 addressesAS7922 Comcast Cable Communications, LLC68,336,896 IPv4 addresses