Autonomous System

AS197 RTX Corporation

BusinessActiveUnited StatesARIN

AS197 (RAYTHEON-AS-2) is a business network operated by RTX Corporation in United States, registered with ARIN. It has 47 IPv4 prefixes with 1,384,192 addresses, which makes it the 357th largest of 82,612 active autonomous systems by IPv4 space.

IPv4 addresses1,384,192in 47 prefixes
IPv6 prefixes0none
Size rank#357of 82,612 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationRTX Corporation
AS nameRAYTHEON-AS-2
Websitertx.com
Country United States (US)
Network typeBusiness
RegistryARIN
Abuse contactKevin.Daglieri@rtx.com
Registered2001-04-17
Last updated2026-06-05

IPv4 prefixes

47 prefixes · 1,384,192 addresses
NetworkAddressesFirst – last address
131.98.0.0/1665,536131.98.0.0 – 131.98.255.255
131.198.0.0/1665,536131.198.0.0 – 131.198.255.255
131.199.0.0/1665,536131.199.0.0 – 131.199.255.255
138.125.0.0/1665,536138.125.0.0 – 138.125.255.255
138.126.0.0/1665,536138.126.0.0 – 138.126.255.255
140.157.0.0/1665,536140.157.0.0 – 140.157.255.255
147.16.0.0/1665,536147.16.0.0 – 147.16.255.255
147.17.0.0/1665,536147.17.0.0 – 147.17.255.255
147.18.0.0/1665,536147.18.0.0 – 147.18.255.255
147.19.0.0/1665,536147.19.0.0 – 147.19.255.255
147.23.0.0/1665,536147.23.0.0 – 147.23.255.255
147.24.0.0/1665,536147.24.0.0 – 147.24.255.255
147.25.0.0/1665,536147.25.0.0 – 147.25.255.255
149.145.0.0/1665,536149.145.0.0 – 149.145.255.255
151.131.0.0/1665,536151.131.0.0 – 151.131.255.255
151.168.0.0/1665,536151.168.0.0 – 151.168.255.255
153.4.0.0/1665,536153.4.0.0 – 153.4.255.255
155.157.0.0/1665,536155.157.0.0 – 155.157.255.255
159.82.0.0/1665,536159.82.0.0 – 159.82.255.255
159.88.0.0/1665,536159.88.0.0 – 159.88.255.255
162.36.0.0/1665,536162.36.0.0 – 162.36.255.255
208.78.72.0/221,024208.78.72.0 – 208.78.75.255
192.249.40.0/23512192.249.40.0 – 192.249.41.255
198.151.224.0/23512198.151.224.0 – 198.151.225.255
128.13.57.0/24256128.13.57.0 – 128.13.57.255
The 25 largest of 47. The API and the database have all of them.

IPv6 prefixes

No IPv6 prefixes.

Query AS197 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=AS197&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS197, with or without a key:

curl "https://api.ipapi.is/?q=131.98.0.1"

Other networks of RTX Corporation

AS12007 RTX Corporation104,704 IPv4 addresses

Largest networks in United States

AS749 United States Department of Defense (DoD)227,398,400 IPv4 addressesAS16509 Amazon.com, Inc.218,481,664 IPv4 addressesAS7018 AT&T Enterprises, LLC117,261,056 IPv4 addressesAS8075 Microsoft Corporation81,467,904 IPv4 addressesAS721 United States Department of Defense (DoD)72,988,416 IPv4 addressesAS7922 Comcast Cable Communications, LLC68,337,664 IPv4 addresses