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ASN Lookup Tool
AS204064 CEZNET-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS204064
Organisation
CEZNET s.r.o.
Name
CEZNET-AS
Total IPv4 Addresses
3,840
Total IPv4 Prefixes
7
Total IPv6 Prefixes
19
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#17,329 out of 78,986
Registry
Ripe
Registered Country
CZ flagCZ
Registered Country Name
Czechia
Registered Date
2015-09-03
Registration Last Change
2025-09-12
Receiving From
ASN
Organisation
AS47232
CZ flagISP Alliance a.s.
Transit To
ASN
Organisation
AS51424
CZ flagJiri Sperl
IPv4 Active Prefixes
PrefixRange FromRange To
185.115.180.0/23185.115.180.0185.115.181.255
185.115.183.0/24185.115.183.0185.115.183.255
185.116.48.0/23185.116.48.0185.116.49.255
185.116.50.0/24185.116.50.0185.116.50.255
185.116.51.0/24185.116.51.0185.116.51.255
Showing 5 of 7
IPv6 Active Prefixes
PrefixRange FromRange To
2a07:7a00:1::/482a07:7a00:1::2a07:7a00:1:ffff:ffff:ffff:ffff:ffff
2a07:7a00:2::/472a07:7a00:2::2a07:7a00:3:ffff:ffff:ffff:ffff:ffff
2a07:7a00:4::/462a07:7a00:4::2a07:7a00:7:ffff:ffff:ffff:ffff:ffff
2a07:7a00:8::/452a07:7a00:8::2a07:7a00:f:ffff:ffff:ffff:ffff:ffff
2a07:7a00:10::/442a07:7a00:10::2a07:7a00:1f:ffff:ffff:ffff:ffff:ffff
Showing 5 of 19