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AS51570 SPB-AS JSC "ER-Telecom Holding"

SPB-AS JSC "ER-Telecom Holding" · registered in Russia

IPv4 addresses123,64844 prefixes · 0.004% of announced IPv4
Rank in Russia#43largest network in RU by IPv4 space, of 4,937 · 0.28% of RU
Rank worldwide#1,675of 79,396 networks with IPv4
IPv61,024 x /481 prefixes
CountryRussia4,993 ASNs registered there
Open AS51570 in ASN lookup Look up an IP in this network (5.3.9.1) All networks in Russia

IPv4 prefixes

All 44 prefixes, in address order.

  • 5.3.9.0/24
  • 5.3.19.0/24
  • 5.3.24.0/23
  • 5.3.31.0/24
  • 5.3.38.0/24
  • 5.3.44.0/24
  • 5.3.49.0/24
  • 5.3.57.0/24
  • 5.3.62.0/24
  • 5.3.176.0/20
  • 5.16.20.0/22
  • 5.16.32.0/19
  • 5.16.64.0/19
  • 5.16.96.0/21
  • 5.16.112.0/20
  • 5.16.144.0/23
  • 5.16.146.0/24
  • 5.18.108.0/23
  • 5.18.172.0/23
  • 5.164.64.0/18
  • 5.166.128.0/19
  • 5.167.176.0/20
  • 5.167.192.0/19
  • 84.22.208.0/20
  • 91.246.160.0/21
  • 94.232.128.0/21
  • 109.195.80.0/20
  • 176.212.136.0/22
  • 176.215.64.0/21
  • 185.61.128.0/22
  • 185.67.168.0/22
  • 188.186.57.0/24
  • 188.186.136.0/21
  • 188.187.0.0/19
  • 188.187.32.0/21
  • 188.187.40.0/22
  • 188.187.44.0/22
  • 188.187.48.0/22
  • 188.187.52.0/22
  • 188.187.56.0/22
  • 188.187.60.0/22
  • 188.187.64.0/18
  • 188.187.234.0/24
  • 217.12.72.0/21

IPv6 prefixes

All 1 prefix.

  • 2a02:2698:6c00::/38

Similar-sized networks in Russia

ASNNameIPv4 addresses
AS8732#40 COMCOR-AS JSC Comcor132,072
AS29182#41 RU-JSCIOT JSC IOT125,952
AS42682#42 ERTH-NNOV-AS JSC "ER-Telecom Holding"124,672
AS12772#44 ENFORTA-AS JSC "ER-Telecom Holding"120,064
AS25490#45 STC-AS PJSC Rostelecom119,040
AS3267#46 niks SCIENTIFIC RESEARCH INSTITUTE FOR SYSTEM ANALYSIS OF THE NATIONAL RESEARCH CENTRE "KURCHATOV INSTITUTE"118,784

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