$ query “AS21191” --type=asn → 1 result(s)
AS21191 · ASN-SEVERTTK
Joint Stock Company TransTeleCom
AS21191 is operated by Joint Stock Company TransTeleCom and serves as a residential access provider, based in Russia since 2002. The system announces a respectable 25 600 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Russia. Prefix announcements for this AS were recently updated.
Basic Information
- Country
- 🇷🇺 Russia
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- August 08, 2002
- Last Changed
- March 04, 2026
- Last Seen
- May 01, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 57 / 7
- IPv6 Prefixes (raw / aggregated)
- 9 / 1
- IPv4 Addresses
- 25 600
- Largest IPv4 Prefix
- /19 (8 192 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇷🇺 Russia (51 200 IPs)
- Prefix Changed
- April 30, 2026
Reputation
- Reputation
- Good — 1 flagged IPs out of 25 600 total (0.00%)
Connectivity Summary
- Upstream Providers
- 1 upstream providing transit
- Downstream Customers
- 2 downstreams buying transit
- Degree
- 3 unique BGP neighbors
- Reach
- 6 networks in customer cone
Upstream Providers (1)
- AS20485 — TRANSTELECOM
Prefix Lists
IPv4 Prefixes (57 total)
- 80.92.0.0/19 (8 192 addresses (/19 prefix))
- 83.69.0.0/19 (8 192 addresses (/19 prefix))
- 5.43.240.0/21 (2 048 addresses (/21 prefix))
- 5.178.24.0/21 (2 048 addresses (/21 prefix))
- 37.99.216.0/21 (2 048 addresses (/21 prefix))
- 149.154.112.0/21 (2 048 addresses (/21 prefix))
- 185.2.184.0/22 (1 024 addresses (/22 prefix))
IPv6 Prefixes (9 total)
- 2a02:530::/32