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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
33,280
Total IPv4 Prefixes
17
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,948 out of 79,172
Registry
Ripe
Registered Country
AT flagAT
Registered Country Name
Austria
Registered Date
2003-05-21
Registration Last Change
2025-11-11
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 15
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
91.208.56.0/2491.208.56.091.208.56.255
Showing 5 of 17
IPv6 Active Prefixes
PrefixRange FromRange To
2a02:758::/322a02:758::2a02:758:ffff:ffff:ffff:ffff:ffff:ffff