// ASN
AS21378
CTCTVER PJSC Rostelecom. Tver branch, RU
Detailed information about the Autonomous System. Need another one? Look up a different ASN.
- ASN
- AS21378
- Organization
- RU-RTK-20031031
- Description
- CTCTVER PJSC Rostelecom. Tver branch, RU
- Country
- RU
- Registry (RIR)
- RIPE
- Created
- 2010-10-03
- Updated
- 2025-12-12
- IPv4 Prefixes
- 7
- IPv6 Prefixes
- 1
IPv4 Prefixes
7 total80.246.64.0/19 80.246.64.0/21 84.42.0.0/19 84.42.0.0/21 84.42.16.0/21 84.42.24.0/21 84.42.8.0/21
IPv6 Prefixes
1 total2a02:2708::/32
What is AS21378?
AS21378 is an Autonomous System Number (ASN) assigned to RU-RTK-20031031. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.
Looking for more ASN data?
Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.