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ASN Lookup Tool
AS21127 ZSTTKAS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS21127
Organisation
Joint Stock Company TransTeleCom
Name
ZSTTKAS
Total IPv4 Addresses
223,232
Total IPv4 Prefixes
497
Total IPv6 Prefixes
24
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,043 out of 78,981
Registry
Ripe
Registered Country
RU flagRU
Registered Country Name
Russian Federation (the)
Registered Date
2002-08-01
Registration Last Change
2025-07-22
Receiving From
ASN
Organisation
AS20485
RU flagJoint Stock Company TransTeleCom
Transit To
ASN
Organisation
AS25549
RU flagJSC Avantel
AS31364
RU flagJoint Stock Company TransTeleCom
AS47530
RU flagNovokuznetsk Telecom Ltd
AS42408
RU flagTransvyaz-N LLC
AS8279
RU flagNovaya Strategia Ltd.
Showing 5 of 9
IPv4 Active Prefixes
PrefixRange FromRange To
37.49.192.0/2337.49.192.037.49.193.255
37.49.194.0/2337.49.194.037.49.195.255
37.49.196.0/2437.49.196.037.49.196.255
37.49.197.0/2437.49.197.037.49.197.255
37.49.198.0/2337.49.198.037.49.199.255
Showing 5 of 497
IPv6 Active Prefixes
PrefixRange FromRange To
2a02:2560::/472a02:2560::2a02:2560:1:ffff:ffff:ffff:ffff:ffff
2a02:2560:2::/482a02:2560:2::2a02:2560:2:ffff:ffff:ffff:ffff:ffff
2a02:2560:3::/482a02:2560:3::2a02:2560:3:ffff:ffff:ffff:ffff:ffff
2a02:2560:4::/462a02:2560:4::2a02:2560:7:ffff:ffff:ffff:ffff:ffff
2a02:2560:8::/452a02:2560:8::2a02:2560:f:ffff:ffff:ffff:ffff:ffff
Showing 5 of 24