AS43740 ZTK-AS Secure Telecommunication LLC

ZTK-AS Secure Telecommunication LLC · registered in Russia

IPv4 addresses2,3045 prefixes · <0.001% of announced IPv4

Rank in Russia#1,301largest network in RU by IPv4 space, of 4,937 · <0.01% of RU

Rank worldwide#20,996of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryRussia4,993 ASNs registered there

Open AS43740 in ASN lookup Look up an IP in this network (185.149.160.1) All networks in Russia

IPv4 prefixes

All 5 prefixes, in address order.

185.149.160.0/22
185.179.224.0/23
185.179.226.0/24
185.179.227.0/24
194.140.247.0/24

Similar-sized networks in Russia

ASNNameIPv4 addresses

AS43201#1298 TELEMATIKA-AS Telematika LLC2,304

AS43275#1299 UNET-AS PJSC "Vimpelcom"2,304

AS43728#1300 TLS-NET-MOZHGA-AS TELESET+ Ltd2,304

AS44386#1302 OZON-AS LLC Internet Solutions2,304

AS44705#1303 ONS-AS Obyedinennye Nakhabinskie seti LLC2,304

AS44913#1304 KAINTERNET-AS JSC KA-INTERNET2,304

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