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ASN Lookup Tool
AS29056 CITYCOM-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS29056
Organisation
Citycom Telekommunikation GmbH
Name
CITYCOM-AS
Total IPv4 Addresses
33,023
Total IPv4 Prefixes
16
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,986 out of 78,979
Registry
Ripe
Registered Country
AT flagAT
Registered Country Name
Austria
Registered Date
2003-05-21
Registration Last Change
2025-09-05
Receiving From
ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS3303
CH flagSwisscom (Schweiz) AG
AS8447
AT flagA1 Telekom Austria AG
AS9498
IN flagBharti Airtel Limited
AS6939
US flagHurricane Electric LLC
Showing 5 of 12
Transit To
ASN
Organisation
AS44462
AT flagStadtwerke Muerzzuschlag GmbH
AS29143
AT flagMagistrat Graz
AS204410
AT flagFeistritzwerke-STEWEAG GmbH
AS41437
AT flagKNAPP AG
AS35646
AT flagGrazer Wechselseitige Versicherung AG
Showing 5 of 9
IPv4 Active Prefixes
PrefixRange FromRange To
37.143.176.0/2037.143.176.037.143.191.255
77.75.23.0/2477.75.23.077.75.23.255
85.237.0.0/1985.237.0.085.237.31.255
91.143.96.0/2091.143.96.091.143.111.255
109.73.144.0/20109.73.144.0109.73.159.255
Showing 5 of 16
IPv6 Active Prefixes
PrefixRange FromRange To
2a02:758::/322a02:758::2a02:758:ffff:ffff:ffff:ffff:ffff:ffff