Autonomous System
AS57304 JSC RetnNet
ISPActiveRussiaRIPE
AS57304 (RETNRU-AS) is an ISP network operated by JSC RetnNet in Russia, registered with RIPE. It has 5 IPv4 prefixes with 13,824 addresses and 1 IPv6 prefix, which makes it the 8,585th largest of 82,283 active autonomous systems by IPv4 space.
IPv4 addresses13,824in 5 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#8,585of 82,283 active ASNs
Details
OrganizationJSC RetnNet
AS nameRETNRU-AS
Websiteretn.ru
Country Russia (RU)
Network typeISP
RegistryRIPE
Abuse contactabuse@retn.ru
Registered2022-10-25
Last updated2026-10-15
IPv4 prefixes
5 prefixes · 13,824 addresses| Network | Addresses | First – last address |
|---|---|---|
| 139.45.224.0/19 | 8,192 | 139.45.224.0 – 139.45.255.255 |
| 87.245.192.0/20 | 4,096 | 87.245.192.0 – 87.245.207.255 |
| 185.134.72.0/22 | 1,024 | 185.134.72.0 – 185.134.75.255 |
| 46.8.177.0/24 | 256 | 46.8.177.0 – 46.8.177.255 |
| 109.248.196.0/24 | 256 | 109.248.196.0 – 109.248.196.255 |
139.45.224.0/19 87.245.192.0/20 185.134.72.0/22 46.8.177.0/24 109.248.196.0/24
IPv6 prefixes
1 prefix- 2a02:2d9::/32
2a02:2d9::/32
Query AS57304 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=AS57304&key=YOUR_API_KEY"Any address in its prefixes resolves to AS57304, with or without a key:
curl "https://api.ipapi.is/?q=139.45.224.1"