$ query “AS21127” --type=asn → 1 result(s)
AS21127 — ZSTTKAS
Joint Stock Company TransTeleCom
AS21127 is a mid-size transit provider registered to Joint Stock Company TransTeleCom, registered in Russia since 2002. The network announces a solid 232 704 IPv4 addresses. Supports IPv6.
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
- March 05, 2026
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
- 🇷🇺 RU (24 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 3 flagged IPs out of 232 704 total (0.00%)
Connectivity Summary
- Upstream Providers
- 1 upstream autonomous systems providing transit
- Peers
- 0 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 9 downstream autonomous systems buying transit
- Degree
- 11 unique BGP neighbors (providers + customers + peers)
- Reach
- 33 — customer cone size measuring network influence
- Degree Rank
- #10 103
- Reach Rank
- #1 789
Upstream Providers (1)
- AS20485 — TRANSTELECOM
Prefix Lists
IPv4 Prefixes (273 total)
- 46.50.128.0/17 (32 768 addresses)
- 46.241.0.0/17 (32 768 addresses)
- 82.200.0.0/17 (32 768 addresses)
- 94.251.0.0/17 (32 768 addresses)
- 109.171.0.0/17 (32 768 addresses)
- 81.1.192.0/18 (16 384 addresses)
- 91.105.128.0/18 (16 384 addresses)
- 37.49.192.0/19 (8 192 addresses)
- 37.205.64.0/19 (8 192 addresses)
- 80.89.128.0/19 (8 192 addresses)
- 188.44.96.0/19 (8 192 addresses)
- 37.205.48.0/21 (2 048 addresses)
- 91.238.136.0/22 (1 024 addresses)
- 83.246.159.0/24 (256 addresses)
IPv6 Prefixes (3 total)
- 2a02:2560::/32