$ query “AS21127” --type=asn → 1 result(s)

AS21127 · ZSTTKAS

Joint Stock Company TransTeleCom

AS21127 belongs to Joint Stock Company TransTeleCom and is a mid-size transit provider, established in Russia in 2002. The system announces a solid 232 704 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Russia.

Basic Information

Country
🇷🇺 Russia
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
August 01, 2002
Last Changed
March 04, 2026
Last Seen
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
273 / 14
IPv6 Prefixes (raw / aggregated)
3 / 1
IPv4 Addresses
232 704
Largest IPv4 Prefix
/17 (32 768 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇷🇺 Russia (448 768 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 5 flagged IPs out of 232 704 total (0.00%)

Connectivity Summary

Upstream Providers
1 upstream providing transit
Downstream Customers
9 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
11 unique BGP neighbors
Reach
33 networks in customer cone

Upstream Providers (1)

Prefix Lists

IPv4 Prefixes (273 total)

  • 82.200.0.0/17 (32 768 addresses (/17 prefix))
  • 109.171.0.0/17 (32 768 addresses (/17 prefix))
  • 94.251.0.0/17 (32 768 addresses (/17 prefix))
  • 46.50.128.0/17 (32 768 addresses (/17 prefix))
  • 46.241.0.0/17 (32 768 addresses (/17 prefix))
  • 81.1.192.0/18 (16 384 addresses (/18 prefix))
  • 91.105.128.0/18 (16 384 addresses (/18 prefix))
  • 37.49.192.0/19 (8 192 addresses (/19 prefix))
  • 80.89.128.0/19 (8 192 addresses (/19 prefix))
  • 37.205.64.0/19 (8 192 addresses (/19 prefix))
  • 188.44.96.0/19 (8 192 addresses (/19 prefix))
  • 37.205.48.0/21 (2 048 addresses (/21 prefix))
  • 91.238.136.0/22 (1 024 addresses (/22 prefix))
  • 83.246.159.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (3 total)

  • 2a02:2560::/32