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ASN Lookup Tool
AS49101 KTCT-ASN

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS49101
Organisation
CEZNET s.r.o.
Name
KTCT-ASN
Total IPv4 Addresses
13,568
Total IPv4 Prefixes
13
Total IPv6 Prefixes
17
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#8,022 out of 79,073
Registry
Ripe
Registered Country
CZ flagCZ
Registered Country Name
Czechia
Registered Date
2009-04-14
Registration Last Change
2025-10-06
Receiving From
ASN
Organisation
AS39791
CZ flagTelco Pro Services, a. s.
Transit To
ASN
Organisation
AS42422
CZ flagSecurityNet.cz s.r.o.
AS51449
CZ flagKabelova televize Usti nad Orlici, spol. s r. o...
AS211274
CZ flagQuadruple a.s.
AS49244
CZ flagScancom s.r.o.
IPv4 Active Prefixes
PrefixRange FromRange To
46.36.32.0/2346.36.32.046.36.33.255
46.36.34.0/2446.36.34.046.36.34.255
46.36.42.0/2346.36.42.046.36.43.255
46.36.44.0/2246.36.44.046.36.47.255
46.36.48.0/2046.36.48.046.36.63.255
Showing 5 of 13
IPv6 Active Prefixes
PrefixRange FromRange To
2a02:d00::/322a02:d00::2a02:d00:ffff:ffff:ffff:ffff:ffff:ffff
2a02:25b0::/332a02:25b0::2a02:25b0:7fff:ffff:ffff:ffff:ffff:ffff
2a02:25b0:8000::/352a02:25b0:8000::2a02:25b0:9fff:ffff:ffff:ffff:ffff:ffff
2a02:25b0:a000::/372a02:25b0:a000::2a02:25b0:a7ff:ffff:ffff:ffff:ffff:ffff
2a02:25b0:a800::/392a02:25b0:a800::2a02:25b0:a9ff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 17