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

AS31133 · MF-MGSM-AS

PJSC MegaFon

AS31133 is operated by PJSC MegaFon and serves as a major transit provider, established in Russia in 2004. The system announces a solid 825 344 IPv4 addresses, including a /14, and supports IPv6. The bulk of its IP address space is in Russia, with additional presence in Czechia and Tajikistan.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #32 by Reach — Top 100 by customer cone size
  • #5 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
October 10, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
493 / 54
IPv6 Prefixes (raw / aggregated)
66 / 26
IPv4 Addresses
825 344
Largest IPv4 Prefix
/14 (262 144 addresses)
Largest IPv6 Prefix
/36
Geolocated Countries
🇷🇺 Russia (824 576 IPs), 🇨🇿 Czechia (512 IPs), 🇹🇯 Tajikistan (256 IPs)
Prefix Changed
October 01, 2026

Reputation

Reputation
Good — 10 flagged IPs out of 825 344 total (0.00%)

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
248 networks exchanging traffic without transit
Downstream Customers
599 downstreams buying transit
Unclassified
15 unclassified BGP neighbors
Degree
866 unique BGP neighbors
Reach
2 747 networks in customer cone

Upstream Providers (4)

Prefix Lists

IPv4 Prefixes (493 total)

  • 178.176.0.0/14 (262 144 addresses (/14 prefix))
  • 31.173.0.0/16 (65 536 addresses (/16 prefix))
  • 84.204.0.0/16 (65 536 addresses (/16 prefix))
  • 109.188.0.0/16 (65 536 addresses (/16 prefix))
  • 188.162.0.0/16 (65 536 addresses (/16 prefix))
  • 188.170.0.0/16 (65 536 addresses (/16 prefix))
  • 37.29.0.0/17 (32 768 addresses (/17 prefix))
  • 85.26.128.0/17 (32 768 addresses (/17 prefix))
  • 94.25.128.0/17 (32 768 addresses (/17 prefix))
  • 78.25.64.0/18 (16 384 addresses (/18 prefix))
  • 83.149.0.0/18 (16 384 addresses (/18 prefix))
  • 83.169.192.0/18 (16 384 addresses (/18 prefix))
  • 195.131.128.0/18 (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))
  • 82.149.128.0/19 (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))
  • 95.221.0.0/20 (4 096 addresses (/20 prefix))
  • 46.232.200.0/21 (2 048 addresses (/21 prefix))
  • 95.141.232.0/21 (2 048 addresses (/21 prefix))
  • 95.220.224.0/21 (2 048 addresses (/21 prefix))
  • 176.193.72.0/21 (2 048 addresses (/21 prefix))
  • 188.94.168.0/21 (2 048 addresses (/21 prefix))
  • 80.253.12.0/22 (1 024 addresses (/22 prefix))
  • 95.141.228.0/22 (1 024 addresses (/22 prefix))
  • 185.3.32.0/22 (1 024 addresses (/22 prefix))
  • 109.95.228.0/23 (512 addresses (/23 prefix))
  • 128.204.64.0/23 (512 addresses (/23 prefix))
  • 128.204.70.0/23 (512 addresses (/23 prefix))
  • 128.204.72.0/23 (512 addresses (/23 prefix))
  • 185.12.208.0/23 (512 addresses (/23 prefix))
  • 185.210.140.0/23 (512 addresses (/23 prefix))
  • 195.191.18.0/23 (512 addresses (/23 prefix))
  • 212.48.144.0/23 (512 addresses (/23 prefix))
  • 212.48.152.0/23 (512 addresses (/23 prefix))
  • 212.48.158.0/23 (512 addresses (/23 prefix))
  • 37.230.245.0/24 (256 addresses (/24 prefix))
  • 45.141.92.0/24 (256 addresses (/24 prefix))
  • 62.89.194.0/24 (256 addresses (/24 prefix))
  • 79.120.30.0/24 (256 addresses (/24 prefix))
  • 79.171.208.0/24 (256 addresses (/24 prefix))
  • 80.253.10.0/24 (256 addresses (/24 prefix))
  • 83.222.205.0/24 (256 addresses (/24 prefix))
  • 92.38.42.0/24 (256 addresses (/24 prefix))
  • 95.141.225.0/24 (256 addresses (/24 prefix))
  • 95.141.227.0/24 (256 addresses (/24 prefix))
  • 128.204.66.0/24 (256 addresses (/24 prefix))
  • 194.32.223.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (66 total)

  • 2a03:d000:2000::/36
  • 2a03:d007::/37
  • 2a03:d007:800::/38
  • 2a03:d000:7000::/39
  • 2a03:d000:8400::/39
  • 2a03:d007:c00::/39
  • 2a03:d000:3000::/40
  • 2a03:d000:3200::/40
  • 2a03:d000:5200::/40
  • 2a03:d000:6400::/40
  • 2a03:d002::/40
  • 2a03:d000:6600::/41
  • 2a03:d000:8600::/41
  • 2a03:d000:3800::/42
  • 2a03:d000:3880::/42
  • 2a03:d000:7302::/47
  • 2a03:d000:3301::/48
  • 2a03:d000:33c0::/48
  • 2a03:d000:67ff::/48
  • 2a03:d000:6801::/48
  • 2a03:d000:6c00::/48
  • 2a03:d000:7301::/48
  • 2a03:d000:7380::/48
  • 2a03:d000:8701::/48
  • 2a03:d000:8702::/48
  • 2a03:d000:8780::/48