AS25515 CTCNET-AS PJSC Rostelecom

CTCNET-AS PJSC Rostelecom · registered in Russia

IPv4 addresses46,59218 prefixes · 0.001% of announced IPv4

Rank in Russia#125largest network in RU by IPv4 space, of 4,937 · 0.11% of RU

Rank worldwide#4,052of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryRussia4,993 ASNs registered there

Open AS25515 in ASN lookup Look up an IP in this network (77.51.176.1) All networks in Russia

IPv4 prefixes

All 18 prefixes, in address order.

77.51.176.0/20
77.51.192.0/18
85.94.0.0/22
85.94.18.0/23
85.94.20.0/22
85.94.24.0/22
89.109.232.0/21
89.109.240.0/20
90.154.120.0/21
91.188.223.0/24
95.73.56.0/21
146.19.98.0/24
185.141.236.0/23
185.202.109.0/24
193.3.188.0/24
213.140.224.0/19
217.107.96.0/21
217.107.104.0/23

IPv6 prefixes

All 1 prefix.

2a00:56c0:40d::/48

Similar-sized networks in Russia

ASNNameIPv4 addresses

AS33934#122 VolgogradEC-AS PJSC Rostelecom47,360

AS42038#123 VLADLINK-AS Krivets Sergey Sergeevich47,104

AS29226#124 MASTERTEL-AS JSC Mastertel46,592

AS42362#126 ALANIA-AS PJSC Rostelecom46,592

AS31257#127 ORIONNET-KRK Orion Telecom LLC46,336

AS29648#128 COMLINE-AS PJSC MegaFon46,336

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources