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 10 IPv4 prefixes with 198,656 addresses, which makes it the 1,303rd largest of 82,334 active autonomous systems by IPv4 space.

IPv4 addresses198,656in 10 prefixes
IPv6 prefixes0none
Size rank#1,303of 82,334 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

10 prefixes · 198,656 addresses
NetworkAddressesFirst – last address
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
151.131.0.0/1665,536151.131.0.0 – 151.131.255.255
198.151.224.0/23512198.151.224.0 – 198.151.225.255
128.13.57.0/24256128.13.57.0 – 128.13.57.255
138.127.74.0/24256138.127.74.0 – 138.127.74.255
198.151.226.0/24256198.151.226.0 – 198.151.226.255
199.33.65.0/24256199.33.65.0 – 199.33.65.255
199.33.88.0/24256199.33.88.0 – 199.33.88.255
199.33.92.0/24256199.33.92.0 – 199.33.92.255

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=131.198.0.1"

Other networks of RTX Corporation

AS12007 RTX Corporation115,456 IPv4 addressesAS16928 RTX Corporation68,864 IPv4 addresses

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