Autonomous System

AS12389 PJSC Rostelecom

ISPActiveRussiaRIPE

AS12389 (ROSTELECOM-AS) is an ISP network operated by PJSC Rostelecom in Russia, registered with RIPE. It has 3,149 IPv4 prefixes with 17,189,376 addresses and 112 IPv6 prefixes, which makes it the 37th largest of 82,283 active autonomous systems by IPv4 space.

IPv4 addresses17,189,376in 3,149 prefixes
IPv6 prefixes112≈ 1.0 × 10³¹ addresses
Size rank#37of 82,283 active ASNs
Abuser scoreLow0.18% of its addresses flagged · method

Details

OrganizationPJSC Rostelecom
AS nameROSTELECOM-AS
Websiterostelecom.ru
Country Russia (RU)
Network typeISP
RegistryRIPE
Abuse contactabuse@rt.ru
Registered2005-07-01
Last updated2026-10-18

IPv4 prefixes

3,149 prefixes · 17,189,376 addresses
NetworkAddressesFirst – last address
5.136.0.0/13524,2885.136.0.0 – 5.143.255.255
178.64.0.0/13524,288178.64.0.0 – 178.71.255.255
2.60.0.0/14262,1442.60.0.0 – 2.63.255.255
37.20.0.0/14262,14437.20.0.0 – 37.23.255.255
85.172.0.0/14262,14485.172.0.0 – 85.175.255.255
92.124.0.0/14262,14492.124.0.0 – 92.127.255.255
95.52.0.0/14262,14495.52.0.0 – 95.55.255.255
95.188.0.0/14262,14495.188.0.0 – 95.191.255.255
176.48.0.0/14262,144176.48.0.0 – 176.51.255.255
178.44.0.0/14262,144178.44.0.0 – 178.47.255.255
178.184.0.0/14262,144178.184.0.0 – 178.187.255.255
188.16.0.0/14262,144188.16.0.0 – 188.19.255.255
5.136.0.0/15131,0725.136.0.0 – 5.137.255.255
31.162.0.0/15131,07231.162.0.0 – 31.163.255.255
31.180.0.0/15131,07231.180.0.0 – 31.181.255.255
37.78.0.0/15131,07237.78.0.0 – 37.79.255.255
78.36.0.0/15131,07278.36.0.0 – 78.37.255.255
90.150.0.0/15131,07290.150.0.0 – 90.151.255.255
90.188.0.0/15131,07290.188.0.0 – 90.189.255.255
92.100.0.0/15131,07292.100.0.0 – 92.101.255.255
94.50.0.0/15131,07294.50.0.0 – 94.51.255.255
176.210.0.0/15131,072176.210.0.0 – 176.211.255.255
178.70.0.0/15131,072178.70.0.0 – 178.71.255.255
178.186.0.0/15131,072178.186.0.0 – 178.187.255.255
2.60.0.0/1665,5362.60.0.0 – 2.60.255.255
The 25 largest of 3,149. The API and the database have all of them.

IPv6 prefixes

112 prefixes
  • 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
  • 2a13:8f00::/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
The 25 largest of 112. The API and the database have all of them.

Query AS12389 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS12389&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS12389, with or without a key:

curl "https://api.ipapi.is/?q=5.136.0.1"

Other networks of PJSC Rostelecom

6 of 39
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