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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
33,012
Total IPv4 Prefixes
16
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#5,006 out of 78,489
Registry
Ripe
Registered Country
AT flag AT
Registered Country Name
Austria
Registered Date
2003-05-21
Registration Last Change
2025-06-16
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS3303
CH flagSwisscom (Schweiz) AG
AS8447
AT flagA1 Telekom Austria AG
AS6057
UY flagAdministracion Nacional de Telecomunicaciones
AS5713
ZA flagTelkom SA Ltd.
Showing 5 of 46
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS210775
AT flagNiceshops GmbH
AS44462
AT flagStadtwerke Muerzzuschlag GmbH
AS29143
AT flagMagistrat Graz
AS204410
AT flagFeistritzwerke-STEWEAG GmbH
AS41437
AT flagKNAPP AG
Showing 5 of 11
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix37.143.176.0/20
Range From37.143.176.0
Range To37.143.191.255
Prefix77.75.23.0/24
Range From77.75.23.0
Range To77.75.23.255
Prefix85.237.0.0/19
Range From85.237.0.0
Range To85.237.31.255
Prefix91.143.96.0/20
Range From91.143.96.0
Range To91.143.111.255
Prefix109.73.144.0/20
Range From109.73.144.0
Range To109.73.159.255
Showing 5 of 16
IPv6 Active Prefixes
Prefix2a02:758::/32
Range From2a02:758::
Range To2a02:758:ffff:ffff:ffff:ffff:ffff:ffff