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AS21191 ASN-SEVERTTK Joint Stock Company TransTeleCom

ASN-SEVERTTK Joint Stock Company TransTeleCom · registered in Russia

IPv4 addresses25,60010 prefixes · <0.001% of announced IPv4
Rank in Russia#215largest network in RU by IPv4 space, of 4,937 · 0.06% of RU
Rank worldwide#5,384of 79,396 networks with IPv4
IPv61 x /32 (65,536 x /48)25 prefixes
CountryRussia4,993 ASNs registered there
Open AS21191 in ASN lookup Look up an IP in this network (5.43.240.1) All networks in Russia

IPv4 prefixes

All 10 prefixes, in address order.

  • 5.43.240.0/21
  • 5.178.24.0/21
  • 37.99.216.0/21
  • 80.92.0.0/19
  • 83.69.0.0/20
  • 83.69.16.0/21
  • 83.69.24.0/22
  • 83.69.28.0/22
  • 149.154.112.0/21
  • 185.2.184.0/22

IPv6 prefixes

All 25 prefixes.

  • 2a02:530::/43
  • 2a02:530:20::/47
  • 2a02:530:22::/48
  • 2a02:530:23::/48
  • 2a02:530:24::/46
  • 2a02:530:28::/48
  • 2a02:530:29::/48
  • 2a02:530:2a::/47
  • 2a02:530:2c::/46
  • 2a02:530:30::/48
  • 2a02:530:31::/48
  • 2a02:530:32::/48
  • 2a02:530:33::/48
  • 2a02:530:34::/46
  • 2a02:530:38::/45
  • 2a02:530:40::/42
  • 2a02:530:80::/41
  • 2a02:530:100::/40
  • 2a02:530:200::/39
  • 2a02:530:400::/38
  • 2a02:530:800::/37
  • 2a02:530:1000::/36
  • 2a02:530:2000::/35
  • 2a02:530:4000::/34
  • 2a02:530:8000::/33

Similar-sized networks in Russia

ASNNameIPv4 addresses
AS41786#212 ERTH-YOLA-AS JSC "ER-Telecom Holding"26,880
AS39264#213 METROMAX-AS "Region Svyaz Konsalt" LLC26,368
AS8752#214 ASVT-NETWORK AO "ASVT"25,600
AS197078#216 YARNET-AS Yarnet Ltd25,600
AS47395#217 SCARTEL-AS PJSC MegaFon25,600
AS50060#218 ANNET Annet Ltd.25,600

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