$ query “AS12389” --type=asn → 1 result(s)

AS12389 · ROSTELECOM-AS

PJSC Rostelecom

AS12389 is owned by PJSC Rostelecom and is a major transit provider, registered in Russia since 2005. The system announces an impressive 9.5 million IPv4 addresses, including a /13, and supports IPv6. The bulk of its IP address space is in Russia, with additional presence in Georgia. This AS has recently updated its prefix announcements.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #17 by Reach — Top 100 by customer cone size
  • #1 in Russia — Top 10 by reach within country

Basic Information

Country
🇷🇺 Russia
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
July 01, 2005
Last Changed
March 04, 2026
Last Seen
October 10, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
3 254 / 871
IPv6 Prefixes (raw / aggregated)
122 / 32
IPv4 Addresses
9 548 800
Largest IPv4 Prefix
/13 (524 288 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇷🇺 Russia (9 546 752 IPs), 🇬🇪 Georgia (256 IPs)
Prefix Changed
October 10, 2026

Reputation

Reputation
Good — 210 flagged IPs out of 9 548 800 total (0.00%)
Open Proxies
14 known open proxies in this network

Connectivity Summary

Upstream Providers
11 upstreams providing transit
Peers
115 networks exchanging traffic without transit
Downstream Customers
1 193 downstreams buying transit
Unclassified
45 unclassified BGP neighbors
Degree
1 364 unique BGP neighbors
Reach
4 822 networks in customer cone

Upstream Providers (11)

  • AS6939 — HURRICANE
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS174 — COGENT-174 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS20485 — TRANSTELECOM
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS3491 — PCCWG-APAC-HK (Tier-1 transit)
  • AS6762 — SEABONE-NET (Tier-1 transit)
  • AS5511 — OPENTRANSIT (Tier-1 transit)
  • AS1273 — CW
  • and 1 more

Prefix Lists

IPv4 Prefixes (3 254 total)

  • 5.136.0.0/13 (524 288 addresses (/13 prefix))
  • 178.64.0.0/13 (524 288 addresses (/13 prefix))
  • 2.60.0.0/14 (262 144 addresses (/14 prefix))
  • 37.20.0.0/14 (262 144 addresses (/14 prefix))
  • 85.172.0.0/14 (262 144 addresses (/14 prefix))
  • 92.124.0.0/14 (262 144 addresses (/14 prefix))
  • 95.52.0.0/14 (262 144 addresses (/14 prefix))
  • 95.188.0.0/14 (262 144 addresses (/14 prefix))
  • 176.48.0.0/14 (262 144 addresses (/14 prefix))
  • 178.44.0.0/14 (262 144 addresses (/14 prefix))
  • 178.184.0.0/14 (262 144 addresses (/14 prefix))
  • 188.16.0.0/14 (262 144 addresses (/14 prefix))
  • 31.162.0.0/15 (131 072 addresses (/15 prefix))
  • 31.180.0.0/15 (131 072 addresses (/15 prefix))
  • 37.78.0.0/15 (131 072 addresses (/15 prefix))
  • 46.158.0.0/15 (131 072 addresses (/15 prefix))
  • 78.36.0.0/15 (131 072 addresses (/15 prefix))
  • 90.150.0.0/15 (131 072 addresses (/15 prefix))
  • 90.188.0.0/15 (131 072 addresses (/15 prefix))
  • 92.100.0.0/15 (131 072 addresses (/15 prefix))
  • 94.50.0.0/15 (131 072 addresses (/15 prefix))
  • 176.210.0.0/15 (131 072 addresses (/15 prefix))
  • 31.23.0.0/16 (65 536 addresses (/16 prefix))
  • 46.61.0.0/16 (65 536 addresses (/16 prefix))
  • 78.81.0.0/16 (65 536 addresses (/16 prefix))
  • 78.85.0.0/16 (65 536 addresses (/16 prefix))
  • 83.239.0.0/16 (65 536 addresses (/16 prefix))
  • 91.122.0.0/16 (65 536 addresses (/16 prefix))
  • 95.32.0.0/16 (65 536 addresses (/16 prefix))
  • 95.37.0.0/16 (65 536 addresses (/16 prefix))
  • 95.71.0.0/16 (65 536 addresses (/16 prefix))
  • 95.72.0.0/16 (65 536 addresses (/16 prefix))
  • 95.106.0.0/16 (65 536 addresses (/16 prefix))
  • 95.167.0.0/16 (65 536 addresses (/16 prefix))
  • 109.184.0.0/16 (65 536 addresses (/16 prefix))
  • 176.209.0.0/16 (65 536 addresses (/16 prefix))
  • 178.35.0.0/16 (65 536 addresses (/16 prefix))
  • 212.164.0.0/16 (65 536 addresses (/16 prefix))
  • 212.220.0.0/16 (65 536 addresses (/16 prefix))
  • 213.24.0.0/16 (65 536 addresses (/16 prefix))
  • 46.48.128.0/17 (32 768 addresses (/17 prefix))
  • 77.35.128.0/17 (32 768 addresses (/17 prefix))
  • 77.40.0.0/17 (32 768 addresses (/17 prefix))
  • 77.45.128.0/17 (32 768 addresses (/17 prefix))
  • 77.51.0.0/17 (32 768 addresses (/17 prefix))
  • 79.126.0.0/17 (32 768 addresses (/17 prefix))
  • 80.234.0.0/17 (32 768 addresses (/17 prefix))
  • 84.42.0.0/17 (32 768 addresses (/17 prefix))
  • 87.103.128.0/17 (32 768 addresses (/17 prefix))
  • 87.226.128.0/17 (32 768 addresses (/17 prefix))

IPv6 Prefixes (122 total)

  • 2a06:a600::/29
  • 2a06:bf40::/29
  • 2a07:95c0::/29
  • 2a0c:d380::/29
  • 2a0d:8f80::/29
  • 2a0e:2440::/29
  • 2a10:3140::/29
  • 2a11:4e80::/29
  • 2a12:1c40::/29
  • 2a12:3dc0::/29
  • 2a12:d100::/29
  • 2a13:2bc0::/29
  • 2a13:3880::/29
  • 2a13:8f00::/29
  • 2a13:2984::/30
  • 2a00:1640::/32
  • 2a00:1e88::/32
  • 2a00:56c0::/32
  • 2a00:62c0::/32
  • 2a00:b440::/32
  • 2a01:540::/32
  • 2a01:620::/32
  • 2a02:ad8::/32
  • 2a04:c106::/32
  • 2a0e:f207::/32
  • 2a0f:3d83::/32
  • 2a10:4100::/32
  • 2a11:4b40::/32
  • 2a13:93c2::/32
  • 2a13:93c4::/32
  • 2a01:ba80:2100::/40
  • 2a0f:3d86:11::/48