AS31133

AS31133 is PJSC MegaFon.

Short answer

AS31133 belongs to PJSC MegaFon. DB-IP Lite attributes 370,432 IPv4 addresses in 127 ranges and 16 IPv6 ranges to it, all or nearly all of the IPv4 space in Russia. The number is registered with RIPE NCC in Russia on 5 Mar 2004.

Facts for AS31133
Operator (DB-IP)PJSC MegaFon
IPv4 addresses370,432
IPv4 ranges127
IPv6 ranges16
RegistryRIPE NCC
Registered5 Mar 2004
Registry countryRussia (RU)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

PJSC MegaFon hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists 16 IPv6 ranges for AS31133, so customers can get IPv6 addresses, which databases place separately from IPv4.

Where its IPv4 space is used, according to DB-IP

RU100%
TJ0.07%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
31.173.98.0 – 31.173.98.25531.173.98.0/24256
31.173.128.0 – 31.173.131.25531.173.128.0/221,024
31.173.136.0 – 31.173.142.25531.173.136.0/22, 31.173.140.0/23 …1,792
31.173.144.0 – 31.173.175.25531.173.144.0/20, 31.173.160.0/208,192
31.173.177.0 – 31.173.178.25531.173.177.0/24, 31.173.178.0/24512
31.173.180.0 – 31.173.191.25531.173.180.0/22, 31.173.184.0/213,072
31.173.224.0 – 31.173.224.25531.173.224.0/24256
31.173.227.0 – 31.173.227.25531.173.227.0/24256
31.173.234.0 – 31.173.234.25531.173.234.0/24256
31.173.240.0 – 31.173.241.25531.173.240.0/23512
37.28.185.0 – 37.28.185.25537.28.185.0/24256
37.28.187.0 – 37.28.189.25537.28.187.0/24, 37.28.188.0/23768
37.29.0.0 – 37.29.31.25537.29.0.0/198,192
37.29.40.0 – 37.29.42.25537.29.40.0/23, 37.29.42.0/24768
37.29.73.0 – 37.29.73.25537.29.73.0/24256
37.29.78.0 – 37.29.79.25537.29.78.0/23512
37.29.84.0 – 37.29.85.25537.29.84.0/23512
37.29.88.0 – 37.29.88.25537.29.88.0/24256
37.29.90.0 – 37.29.90.25537.29.90.0/24256
37.29.92.0 – 37.29.93.25537.29.92.0/23512
37.29.96.0 – 37.29.111.25537.29.96.0/204,096
37.230.245.0 – 37.230.245.25537.230.245.0/24256
45.141.92.0 – 45.141.92.25545.141.92.0/24256
46.232.201.0 – 46.232.201.25546.232.201.0/24256
46.232.204.0 – 46.232.207.25546.232.204.0/221,024
62.89.194.0 – 62.89.194.25562.89.194.0/24256
78.25.64.0 – 78.25.87.25578.25.64.0/20, 78.25.80.0/216,144
78.25.116.0 – 78.25.117.25578.25.116.0/23512
78.25.124.0 – 78.25.126.25578.25.124.0/23, 78.25.126.0/24768
79.120.30.0 – 79.120.30.25579.120.30.0/24256
79.171.208.0 – 79.171.208.25579.171.208.0/24256
80.253.10.0 – 80.253.10.25580.253.10.0/24256
80.253.12.0 – 80.253.15.25580.253.12.0/221,024
82.149.128.0 – 82.149.159.25582.149.128.0/198,192
83.149.8.0 – 83.149.12.25583.149.8.0/22, 83.149.12.0/241,280
83.149.15.0 – 83.149.23.25583.149.15.0/24, 83.149.16.0/212,304
83.149.26.0 – 83.149.27.25583.149.26.0/23512
83.149.41.0 – 83.149.41.25583.149.41.0/24256
83.149.44.0 – 83.149.47.25583.149.44.0/221,024
83.149.53.0 – 83.149.54.25583.149.53.0/24, 83.149.54.0/24512
83.149.56.0 – 83.149.63.25583.149.56.0/212,048
83.169.192.0 – 83.169.207.25583.169.192.0/204,096
83.169.209.0 – 83.169.210.25583.169.209.0/24, 83.169.210.0/24512
83.169.215.0 – 83.169.215.25583.169.215.0/24256
83.169.231.0 – 83.169.231.25583.169.231.0/24256
84.204.128.0 – 84.204.131.25584.204.128.0/221,024
84.204.137.0 – 84.204.137.25584.204.137.0/24256
84.204.184.0 – 84.204.187.25584.204.184.0/221,024
85.26.160.0 – 85.26.175.25585.26.160.0/204,096
85.26.179.0 – 85.26.180.25585.26.179.0/24, 85.26.180.0/24512
2a03:d000:2000:: – 2a03:d000:3040:ffff:ffff:ffff:ffff:ffff2a03:d000:2000::/36IPv6
2a03:d000:3200:: – 2a03:d000:32ff:ffff:ffff:ffff:ffff:ffff2a03:d000:3200::/40IPv6
2a03:d000:3301:: – 2a03:d000:3301:ffff:ffff:ffff:ffff:ffff2a03:d000:3301::/48IPv6
2a03:d000:33c0:: – 2a03:d000:33c0:ffff:ffff:ffff:ffff:ffff2a03:d000:33c0::/48IPv6
2a03:d000:3800:: – 2a03:d000:383f:ffff:ffff:ffff:ffff:ffff2a03:d000:3800::/42IPv6
2a03:d000:3880:: – 2a03:d000:38bf:ffff:ffff:ffff:ffff:ffff2a03:d000:3880::/42IPv6
2a03:d000:5200:: – 2a03:d000:52ac:ffff:ffff:ffff:ffff:ffff2a03:d000:5200::/41IPv6
2a03:d000:6400:: – 2a03:d000:64ff:ffff:ffff:ffff:ffff:ffff2a03:d000:6400::/40IPv6
2a03:d000:6600:: – 2a03:d000:667f:ffff:ffff:ffff:ffff:ffff2a03:d000:6600::/41IPv6
2a03:d000:67ff:: – 2a03:d000:67ff:ffff:ffff:ffff:ffff:ffff2a03:d000:67ff::/48IPv6
2a03:d000:7000:: – 2a03:d000:717f:ffff:ffff:ffff:ffff:ffff2a03:d000:7000::/40IPv6
2a03:d000:7303:: – 2a03:d000:7303:ffff:ffff:ffff:ffff:ffff2a03:d000:7303::/48IPv6
2a03:d000:8400:: – 2a03:d000:8551:ffff:ffff:ffff:ffff:ffff2a03:d000:8400::/40IPv6
2a03:d000:8588:: – 2a03:d000:8640:ffff:ffff:ffff:ffff:ffff2a03:d000:8588::/45IPv6
2a03:d002:: – 2a03:d002:ff:ffff:ffff:ffff:ffff:ffff2a03:d002::/40IPv6
2a03:d007:: – 2a03:d007:dff:ffff:ffff:ffff:ffff:ffff2a03:d007::/37IPv6
Showing 50 of 127 IPv4 and 16 of 16 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 5 Nov 2026