Autonomous System
AS12231 Conway Corporation
ISPActiveUnited StatesARIN
AS12231 (CONWAYCORP) is an ISP network operated by Conway Corporation in United States, registered with ARIN. It has 14 IPv4 prefixes with 37,888 addresses, which makes it the 4,870th largest of 82,283 active autonomous systems by IPv4 space.
IPv4 addresses37,888in 14 prefixes
IPv6 prefixes0none
Size rank#4,870of 82,283 active ASNs
Details
OrganizationConway Corporation
AS nameCONWAYCORP
Websiteconwaycorp.com
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactARIN-Abuse@conwaycorp.com
Registered1999-04-27
Last updated2026-09-22
IPv4 prefixes
14 prefixes · 37,888 addresses| Network | Addresses | First – last address |
|---|---|---|
| 38.87.176.0/20 | 4,096 | 38.87.176.0 – 38.87.191.255 |
| 66.158.176.0/20 | 4,096 | 66.158.176.0 – 66.158.191.255 |
| 96.31.208.0/20 | 4,096 | 96.31.208.0 – 96.31.223.255 |
| 149.115.0.0/20 | 4,096 | 149.115.0.0 – 149.115.15.255 |
| 149.115.48.0/20 | 4,096 | 149.115.48.0 – 149.115.63.255 |
| 24.144.0.0/21 | 2,048 | 24.144.0.0 – 24.144.7.255 |
| 24.144.8.0/21 | 2,048 | 24.144.8.0 – 24.144.15.255 |
| 24.144.16.0/21 | 2,048 | 24.144.16.0 – 24.144.23.255 |
| 24.144.24.0/21 | 2,048 | 24.144.24.0 – 24.144.31.255 |
| 24.144.32.0/21 | 2,048 | 24.144.32.0 – 24.144.39.255 |
| 24.144.40.0/21 | 2,048 | 24.144.40.0 – 24.144.47.255 |
| 24.144.48.0/21 | 2,048 | 24.144.48.0 – 24.144.55.255 |
| 24.144.56.0/21 | 2,048 | 24.144.56.0 – 24.144.63.255 |
| 199.59.100.0/22 | 1,024 | 199.59.100.0 – 199.59.103.255 |
38.87.176.0/20 66.158.176.0/20 96.31.208.0/20 149.115.0.0/20 149.115.48.0/20 24.144.0.0/21 24.144.8.0/21 24.144.16.0/21 24.144.24.0/21 24.144.32.0/21 24.144.40.0/21 24.144.48.0/21 24.144.56.0/21 199.59.100.0/22
IPv6 prefixes
No IPv6 prefixes.
Query AS12231 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=AS12231&key=YOUR_API_KEY"Any address in its prefixes resolves to AS12231, with or without a key:
curl "https://api.ipapi.is/?q=38.87.176.1"Largest networks in United States
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