ASN Lookup Tool

A1 Telekom Austria AG a1.at AT AT 0 Routes

AS Data

AS5423

AS5423A1 Telekom Austria AG

AS Number 5423
AS Name A1TELEKOM-AT
Organization A1 Telekom Austria AG(org-taa1-ripe)
Country AT
Website a1.at
Number of IPv4 Routes 0
Number of IPv6 Routes 0
ASN type ISP
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2002-08-01

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Raw Whois Response

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS5377 - AS5535'

as-block:       AS5377 - AS5535
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2018-11-22T15:27:22Z
last-modified:  2018-11-22T15:27:22Z
source:         RIPE

% Information related to 'AS5423'

% Abuse contact for 'AS5423' is 'abuse@a1.at'

aut-num:        AS5423
as-name:        A1TELEKOM-AT
org:            ORG-TAA1-RIPE
remarks:        **************************************
remarks:        *   PLEASE SEE AS8447 FOR UPDATES   *
remarks:        **************************************
admin-c:        HMH25-RIPE
tech-c:         NCH12-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         AS8447-MNT
created:        2002-08-01T14:43:27Z
last-modified:  2022-07-13T08:22:40Z
source:         RIPE

organisation:   ORG-TAA1-RIPE
org-name:       A1 Telekom Austria AG
country:        AT
org-type:       LIR
address:        Lassallestrasse 9
address:        1020
address:        Wien
address:        AUSTRIA
phone:          +43 50 664 8 664 100
fax-no:         +43 50 664 8 664 101
descr:          ======================================================================
descr:          www.a1.net
descr:          Abuse issues abuse@A1.at
descr:          Operational issues noc@aon.at
descr:          Peering requests peering@aon.at
descr:          Looking glass https://ppp.a1.net/tools/lookingglass.sp
descr:          Other info https://as8447.peeringdb.com
descr:          ======================================================================
admin-c:        NCH12-RIPE
admin-c:        HMH25-RIPE
admin-c:        AJ2061-RIPE
abuse-c:        HMH25-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        AS8447-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS8447-MNT
created:        2004-04-17T10:59:34Z
last-modified:  2026-01-26T08:45:18Z
source:         RIPE # Filtered

role:           Host Master Highway
address:        A1 Telekom Austria AG
address:        Arsenal Objekt 24
address:        1030 Vienna
address:        Austria
phone:          +43 50 664 8 664 100
fax-no:         +43 50 664 8 664 101
abuse-mailbox:  abuse@a1.at
remarks:        for database maintenance please contact
remarks:        < hostmaster @ aon.at >
admin-c:        AJ2061-RIPE
tech-c:         AJ2061-RIPE
nic-hdl:        HMH25-RIPE
mnt-by:         AS8447-MNT
created:        2002-05-31T10:41:49Z
last-modified:  2026-01-26T08:40:49Z
source:         RIPE # Filtered

role:           NOC Highway
address:        A1 Telekom Austria AG
address:        PNO IP - Highway 194
address:        Arsenal Objekt 24
address:        1103 Vienna
address:        Austria
phone:          +43 50 664 8 664 100
fax-no:         +43 50 664 8 664 101
abuse-mailbox:  abuse@a1.at
remarks:        for routing issues please contact network core
remarks:        < noc @ aon.at >
admin-c:        HMH25-RIPE
tech-c:         AW973-RIPE
tech-c:         WB381-RIPE
tech-c:         MP165-RIPE
tech-c:         AV2603-RIPE
nic-hdl:        NCH12-RIPE
mnt-by:         AS8447-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2022-07-13T08:20:50Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121 (ABERDEEN)

Parsed Whois Response

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Frequently Asked Questions

ASN AS5423 is an Autonomous System Number used to identify a network for BGP internet routing.
AS5423 is listed under A1 Telekom Austria AG.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.