Autonomous System
AS48166 FORTEX CJSC
ISPActiveRussiaRIPE
AS48166 (FORTEX-AS) is an ISP network operated by FORTEX CJSC in Russia, registered with RIPE. It has 9 IPv4 prefixes with 23,552 addresses and 1 IPv6 prefix, which makes it the 6,264th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses23,552in 9 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#6,264of 82,200 active ASNs
Details
OrganizationFORTEX CJSC
AS nameFORTEX-AS
Websitefortex.ru
Country Russia (RU)
Network typeISP
RegistryRIPE
Abuse contactmail@fortex.ru
Registered2008-10-21
Last updated2026-04-27
IPv4 prefixes
9 prefixes · 23,552 addresses| Network | Addresses | First – last address |
|---|---|---|
| 91.133.0.0/19 | 8,192 | 91.133.0.0 – 91.133.31.255 |
| 89.22.16.0/20 | 4,096 | 89.22.16.0 – 89.22.31.255 |
| 194.9.224.0/20 | 4,096 | 194.9.224.0 – 194.9.239.255 |
| 5.250.232.0/21 | 2,048 | 5.250.232.0 – 5.250.239.255 |
| 178.213.192.0/21 | 2,048 | 178.213.192.0 – 178.213.199.255 |
| 91.210.84.0/22 | 1,024 | 91.210.84.0 – 91.210.87.255 |
| 185.61.92.0/22 | 1,024 | 185.61.92.0 – 185.61.95.255 |
| 185.61.92.0/23 | 512 | 185.61.92.0 – 185.61.93.255 |
| 185.61.94.0/23 | 512 | 185.61.94.0 – 185.61.95.255 |
91.133.0.0/19 89.22.16.0/20 194.9.224.0/20 5.250.232.0/21 178.213.192.0/21 91.210.84.0/22 185.61.92.0/22 185.61.92.0/23 185.61.94.0/23
IPv6 prefixes
1 prefix- 2a02:7760::/32
2a02:7760::/32
Query AS48166 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=AS48166&key=YOUR_API_KEY"
Any address in its prefixes resolves to AS48166, with or without a key:
curl "https://api.ipapi.is/?q=91.133.0.1"