$ query “AS31133” --type=asn → 1 result(s)

AS31133 · MF-MGSM-AS

PJSC MegaFon

AS31133 belongs to PJSC MegaFon and is a major transit provider, registered in Russia since 2004. The system announces a solid 794 112 IPv4 addresses, including a /14, and supports IPv6. Most of its address space is geolocated to Russia, with additional presence in Czechia and Tajikistan.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #76 by Reach — Top 100 by customer cone size
  • #6 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
March 05, 2004
Last Changed
March 04, 2026
Last Seen
April 18, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
476 / 48
IPv6 Prefixes (raw / aggregated)
67 / 27
IPv4 Addresses
794 112
Largest IPv4 Prefix
/14 (262 144 addresses)
Largest IPv6 Prefix
/36
Geolocated Countries
🇷🇺 Russia (1 537 024 IPs), 🇨🇿 Czechia (1 024 IPs), 🇹🇯 Tajikistan (256 IPs)
Prefix Changed
April 01, 2026

Reputation

Reputation
Good — 17 flagged IPs out of 794 112 total (0.00%)

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Peers
234 networks exchanging traffic without transit
Downstream Customers
600 downstreams buying transit
Unclassified
199 unclassified BGP neighbors
Degree
1 038 unique BGP neighbors
Reach
38 590 networks in customer cone

Upstream Providers (5)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS20485 — TRANSTELECOM
  • AS23764 — CTGNET
  • AS6762 — SEABONE-NET (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (476 total)

  • 178.176.0.0/14 (262 144 addresses (/14 prefix))
  • 188.162.0.0/16 (65 536 addresses (/16 prefix))
  • 31.173.0.0/16 (65 536 addresses (/16 prefix))
  • 84.204.0.0/16 (65 536 addresses (/16 prefix))
  • 188.170.0.0/16 (65 536 addresses (/16 prefix))
  • 109.188.0.0/16 (65 536 addresses (/16 prefix))
  • 37.29.0.0/17 (32 768 addresses (/17 prefix))
  • 94.25.128.0/17 (32 768 addresses (/17 prefix))
  • 85.26.128.0/17 (32 768 addresses (/17 prefix))
  • 83.169.192.0/18 (16 384 addresses (/18 prefix))
  • 78.25.64.0/18 (16 384 addresses (/18 prefix))
  • 83.149.0.0/18 (16 384 addresses (/18 prefix))
  • 37.28.160.0/19 (8 192 addresses (/19 prefix))
  • 62.64.0.0/19 (8 192 addresses (/19 prefix))
  • 109.106.192.0/19 (8 192 addresses (/19 prefix))
  • 213.154.160.0/19 (8 192 addresses (/19 prefix))
  • 46.229.128.0/20 (4 096 addresses (/20 prefix))
  • 188.94.168.0/21 (2 048 addresses (/21 prefix))
  • 176.193.72.0/21 (2 048 addresses (/21 prefix))
  • 95.141.232.0/21 (2 048 addresses (/21 prefix))
  • 46.232.200.0/21 (2 048 addresses (/21 prefix))
  • 80.253.12.0/22 (1 024 addresses (/22 prefix))
  • 185.3.32.0/22 (1 024 addresses (/22 prefix))
  • 95.141.228.0/22 (1 024 addresses (/22 prefix))
  • 195.191.18.0/23 (512 addresses (/23 prefix))
  • 128.204.72.0/23 (512 addresses (/23 prefix))
  • 212.48.158.0/23 (512 addresses (/23 prefix))
  • 128.204.64.0/23 (512 addresses (/23 prefix))
  • 212.48.152.0/23 (512 addresses (/23 prefix))
  • 128.204.70.0/23 (512 addresses (/23 prefix))
  • 185.210.140.0/23 (512 addresses (/23 prefix))
  • 212.48.144.0/23 (512 addresses (/23 prefix))
  • 185.12.208.0/23 (512 addresses (/23 prefix))
  • 109.95.228.0/23 (512 addresses (/23 prefix))
  • 212.48.150.0/24 (256 addresses (/24 prefix))
  • 92.38.42.0/24 (256 addresses (/24 prefix))
  • 95.141.227.0/24 (256 addresses (/24 prefix))
  • 62.89.194.0/24 (256 addresses (/24 prefix))
  • 45.141.92.0/24 (256 addresses (/24 prefix))
  • 95.141.225.0/24 (256 addresses (/24 prefix))
  • 83.222.205.0/24 (256 addresses (/24 prefix))
  • 212.48.135.0/24 (256 addresses (/24 prefix))
  • 80.253.10.0/24 (256 addresses (/24 prefix))
  • 79.171.208.0/24 (256 addresses (/24 prefix))
  • 128.204.66.0/24 (256 addresses (/24 prefix))
  • 212.48.154.0/24 (256 addresses (/24 prefix))
  • 194.32.223.0/24 (256 addresses (/24 prefix))
  • 37.230.245.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (67 total)

  • 2a03:d000:2000::/36
  • 2a03:d007::/37
  • 2a03:d007:800::/38
  • 2a03:d007:c00::/39
  • 2a03:d000:7000::/39
  • 2a03:d000:8400::/39
  • 2a03:d000:3200::/40
  • 2a03:d000:5200::/40
  • 2a03:d000:6400::/40
  • 2a03:d000:200::/40
  • 2a03:d002::/40
  • 2a03:d000:3000::/40
  • 2a03:d000:6600::/41
  • 2a03:d000:8600::/41
  • 2a03:d000:3800::/42
  • 2a03:d000:3880::/42
  • 2a03:d000:33c0::/48
  • 2a03:d000:7380::/48
  • 2a03:d000:7302::/48
  • 2a03:d000:7301::/48
  • 2a03:d000:8701::/48
  • 2a03:d000:8702::/48
  • 2a03:d000:8780::/48
  • 2a03:d000:6801::/48
  • 2a03:d000:67ff::/48
  • 2a03:d000:3301::/48
  • 2a03:d000:302::/48