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AS21438
AS21438 ECOM-KALUGA-AS Joint Stock Company TransTeleCom
ECOM-KALUGA-AS Joint Stock Company TransTeleCom · registered in Russia
IPv4 addresses 4,608 10 prefixes · <0.001% of announced IPv4
Rank in Russia #863 largest network in RU by IPv4 space, of 4,937 · 0.01% of RU
Rank worldwide #14,349 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
Country Russia 4,993 ASNs registered there
IPv4 prefixes
All 10 prefixes, in address order.
5.149.147.0/24 5.149.148.0/24 86.110.162.0/23 86.110.164.0/22 86.110.172.0/24 178.76.192.0/23 178.76.200.0/22 178.76.204.0/24 178.76.206.0/24 178.76.215.0/24
Similar-sized networks in Russia
ASN Name IPv4 addresses
AS3181 #861 ASN-MATRIXMOBILE MATRIX TELECOM LLC4,608
AS6874 #862 PSTU-AS Perm National Research Polytechnic University4,608
AS25299 #864 TRINITY-AS Trinity Ltd4,608
AS41771 #865 MTS-BB-OMSK MTS PJSC4,608
AS41957 #866 GLOBALTE-AS Directive LLC4,608
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