Autonomous System
AS57164 Viacheslav Fitiunin
ISPActiveRussiaRIPE
AS57164 (OT) is an ISP network operated by Viacheslav Fitiunin in Russia, registered with RIPE. It has 27 IPv4 prefixes with 27,904 addresses, which makes it the 5,735th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses27,904in 27 prefixes
IPv6 prefixes0none
Size rank#5,735of 82,200 active ASNs
Details
OrganizationViacheslav Fitiunin
AS nameOT
Websitehtel.cc
Country Russia (RU)
Network typeISP
RegistryRIPE
Abuse contactabuse@htel.cc
Registered2023-07-10
Last updated2025-03-18
IPv4 prefixes
27 prefixes · 27,904 addresses| Network | Addresses | First – last address |
|---|---|---|
| 151.0.0.0/19 | 8,192 | 151.0.0.0 – 151.0.31.255 |
| 151.0.0.0/20 | 4,096 | 151.0.0.0 – 151.0.15.255 |
| 151.0.16.0/20 | 4,096 | 151.0.16.0 – 151.0.31.255 |
| 151.0.24.0/21 | 2,048 | 151.0.24.0 – 151.0.31.255 |
| 151.0.24.0/22 | 1,024 | 151.0.24.0 – 151.0.27.255 |
| 151.0.28.0/22 | 1,024 | 151.0.28.0 – 151.0.31.255 |
| 151.0.32.0/22 | 1,024 | 151.0.32.0 – 151.0.35.255 |
| 151.0.8.0/23 | 512 | 151.0.8.0 – 151.0.9.255 |
| 151.0.24.0/23 | 512 | 151.0.24.0 – 151.0.25.255 |
| 151.0.26.0/23 | 512 | 151.0.26.0 – 151.0.27.255 |
| 151.0.28.0/23 | 512 | 151.0.28.0 – 151.0.29.255 |
| 151.0.30.0/23 | 512 | 151.0.30.0 – 151.0.31.255 |
| 151.0.13.0/24 | 256 | 151.0.13.0 – 151.0.13.255 |
| 151.0.14.0/24 | 256 | 151.0.14.0 – 151.0.14.255 |
| 151.0.15.0/24 | 256 | 151.0.15.0 – 151.0.15.255 |
| 151.0.16.0/24 | 256 | 151.0.16.0 – 151.0.16.255 |
| 151.0.17.0/24 | 256 | 151.0.17.0 – 151.0.17.255 |
| 151.0.18.0/24 | 256 | 151.0.18.0 – 151.0.18.255 |
| 151.0.19.0/24 | 256 | 151.0.19.0 – 151.0.19.255 |
| 151.0.20.0/24 | 256 | 151.0.20.0 – 151.0.20.255 |
| 151.0.21.0/24 | 256 | 151.0.21.0 – 151.0.21.255 |
| 151.0.22.0/24 | 256 | 151.0.22.0 – 151.0.22.255 |
| 151.0.23.0/24 | 256 | 151.0.23.0 – 151.0.23.255 |
| 151.0.32.0/24 | 256 | 151.0.32.0 – 151.0.32.255 |
| 151.0.33.0/24 | 256 | 151.0.33.0 – 151.0.33.255 |
151.0.0.0/19 151.0.0.0/20 151.0.16.0/20 151.0.24.0/21 151.0.24.0/22 151.0.28.0/22 151.0.32.0/22 151.0.8.0/23 151.0.24.0/23 151.0.26.0/23 151.0.28.0/23 151.0.30.0/23 151.0.13.0/24 151.0.14.0/24 151.0.15.0/24 151.0.16.0/24 151.0.17.0/24 151.0.18.0/24 151.0.19.0/24 151.0.20.0/24 151.0.21.0/24 151.0.22.0/24 151.0.23.0/24 151.0.32.0/24 151.0.33.0/24
The 25 largest of 27. The API and the database have all of them.
IPv6 prefixes
No IPv6 prefixes.
Query AS57164 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=AS57164&key=YOUR_API_KEY"Any address in its prefixes resolves to AS57164, with or without a key:
curl "https://api.ipapi.is/?q=151.0.0.1"