Autonomous System
AS21378 PJSC Rostelecom
ISPActiveRussiaRIPE
AS21378 (CTCTVER) is an ISP network operated by PJSC Rostelecom in Russia, registered with RIPE. It has 7 IPv4 prefixes with 26,624 addresses and 1 IPv6 prefix, which makes it the 5,848th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses26,624in 7 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#5,848of 82,200 active ASNs
Details
OrganizationPJSC Rostelecom
AS nameCTCTVER
Websiterostelecom.ru
Country Russia (RU)
Network typeISP
RegistryRIPE
Abuse contactabuse@rt.ru
Registered2001-11-20
Last updated2025-04-15
IPv4 prefixes
7 prefixes · 26,624 addresses| Network | Addresses | First – last address |
|---|---|---|
| 80.246.64.0/19 | 8,192 | 80.246.64.0 – 80.246.95.255 |
| 84.42.0.0/19 | 8,192 | 84.42.0.0 – 84.42.31.255 |
| 80.246.64.0/21 | 2,048 | 80.246.64.0 – 80.246.71.255 |
| 84.42.0.0/21 | 2,048 | 84.42.0.0 – 84.42.7.255 |
| 84.42.8.0/21 | 2,048 | 84.42.8.0 – 84.42.15.255 |
| 84.42.16.0/21 | 2,048 | 84.42.16.0 – 84.42.23.255 |
| 84.42.24.0/21 | 2,048 | 84.42.24.0 – 84.42.31.255 |
80.246.64.0/19 84.42.0.0/19 80.246.64.0/21 84.42.0.0/21 84.42.8.0/21 84.42.16.0/21 84.42.24.0/21
IPv6 prefixes
1 prefix- 2a02:2708::/32
2a02:2708::/32
Query AS21378 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=AS21378&key=YOUR_API_KEY"Any address in its prefixes resolves to AS21378, with or without a key:
curl "https://api.ipapi.is/?q=80.246.64.1"Other networks of PJSC Rostelecom
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