ASN AS12547 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS12547?

AS12547 is listed under A1 Telekom Austria AG.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS12547 A1 Telekom Austria AG

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A1 Telekom Austria AG a1.at

AT 0 Routes

AS Data

AS12547

AS12547 – A1 Telekom Austria AG

AS Number	12547
AS Name	YCN
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	2002-03-25

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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 'AS12456 - AS12555'

as-block:       AS12456 - AS12555
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:        2018-11-22T15:27:24Z
last-modified:  2018-11-22T15:27:24Z
source:         RIPE

% Information related to 'AS12547'

% Abuse contact for 'AS12547' is 'abuse@a1.at'

aut-num:        AS12547
org:            ORG-TAA1-RIPE
as-name:        YCN
descr:          Infrastructural Serverhousing Telekom
import:         from AS8447 accept any
import:         from AS8447 accept any
export:         to AS8447 announce AS12547
export:         to AS8447 announce AS12547
admin-c:        NOC1007-RIPE
tech-c:         NOC1007-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         AS8447-MNT
mnt-by:         AS8447-MNT
created:        2002-03-25T17:47:44Z
last-modified:  2018-11-23T07:29:27Z
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:           Network Operations Center
address:        A1 Telekom Austria AG
address:        Arsenal Objekt 24
address:        1030 Vienna
address:        Austria
phone:          +43 50664 0
fax-no:         + 43 1 7962565
abuse-mailbox:  abuse@a1.at
remarks:        for database maintenance please contact
remarks:        < hostmaster @ aon.at >
admin-c:        HMH25-RIPE
tech-c:         AAH12-RIPE
tech-c:         DAH12-RIPE
tech-c:         HMH25-RIPE
nic-hdl:        NOC1007-RIPE
mnt-by:         AS8447-MNT
created:        2002-08-21T10:54:19Z
last-modified:  2018-05-23T12:50:50Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.2 (BUSA)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS12456 - AS12555",
    "description" : [ "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" ],
    "date_created" : "2018-11-22",
    "date_updated" : "2018-11-22",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS12547",
    "as_name" : "YCN",
    "description" : [ "Infrastructural Serverhousing Telekom" ],
    "status" : "ASSIGNED",
    "import" : [ "from AS8447 accept any", "from AS8447 accept any" ],
    "export" : [ "to AS8447 announce AS12547", "to AS8447 announce AS12547" ],
    "organization" : "ORG-TAA1-RIPE",
    "admin_contacts" : [ "NOC1007-RIPE" ],
    "tech_contacts" : [ "NOC1007-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "AS8447-MNT", "AS8447-MNT" ],
    "date_created" : "2002-03-25",
    "date_updated" : "2018-11-23",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-TAA1-RIPE",
    "name" : "A1 Telekom Austria AG",
    "type" : "LIR",
    "description" : [ "======================================================================", "www.a1.net", "Abuse issues abuse@A1.at", "Operational issues noc@aon.at", "Peering requests peering@aon.at", "Looking glass https://ppp.a1.net/tools/lookingglass.sp", "Other info https://as8447.peeringdb.com", "======================================================================" ],
    "address" : [ "Lassallestrasse 9", "1020", "Wien", "AUSTRIA" ],
    "street" : "Lassallestrasse",
    "city" : "Wien",
    "zip_code" : "1020",
    "country" : [ "AT" ],
    "phone" : [ "+43 50 664 8 664 100" ],
    "fax_no" : [ "+43 50 664 8 664 101" ],
    "admin_contacts" : [ "NCH12-RIPE", "HMH25-RIPE", "AJ2061-RIPE" ],
    "abuse_contacts" : [ "HMH25-RIPE" ],
    "mnt_ref" : [ "RIPE-NCC-HM-MNT", "AS8447-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "AS8447-MNT" ],
    "date_created" : "2004-04-17",
    "date_updated" : "2026-01-26",
    "source" : "RIPE",
    "addressCountry" : "AUSTRIA"
  },
  "administrative_contacts" : [ {
    "handle" : "NOC1007-RIPE",
    "name" : "Network Operations Center",
    "address" : [ "A1 Telekom Austria AG", "Arsenal Objekt 24", "1030 Vienna", "Austria" ],
    "street" : "Arsenal",
    "city" : "Vienna",
    "zip_code" : "1030",
    "country" : "AUSTRIA",
    "abuse_mailbox" : [ "abuse@a1.at" ],
    "phone" : [ "+43 50664 0" ],
    "fax_no" : [ "+ 43 1 7962565" ],
    "admin_contacts" : [ "HMH25-RIPE" ],
    "tech_contacts" : [ "AAH12-RIPE", "DAH12-RIPE", "HMH25-RIPE" ],
    "remarks" : [ "for database maintenance please contact", "< hostmaster @ aon.at >" ],
    "mnt_by" : [ "AS8447-MNT" ],
    "date_created" : "2002-08-21",
    "date_updated" : "2018-05-23",
    "source" : "RIPE",
    "addressCountry" : "AUSTRIA"
  } ],
  "technical_contacts" : [ {
    "handle" : "NOC1007-RIPE",
    "name" : "Network Operations Center",
    "address" : [ "A1 Telekom Austria AG", "Arsenal Objekt 24", "1030 Vienna", "Austria" ],
    "street" : "Arsenal",
    "city" : "Vienna",
    "zip_code" : "1030",
    "country" : "AUSTRIA",
    "abuse_mailbox" : [ "abuse@a1.at" ],
    "phone" : [ "+43 50664 0" ],
    "fax_no" : [ "+ 43 1 7962565" ],
    "admin_contacts" : [ "HMH25-RIPE" ],
    "tech_contacts" : [ "AAH12-RIPE", "DAH12-RIPE", "HMH25-RIPE" ],
    "remarks" : [ "for database maintenance please contact", "< hostmaster @ aon.at >" ],
    "mnt_by" : [ "AS8447-MNT" ],
    "date_created" : "2002-08-21",
    "date_updated" : "2018-05-23",
    "source" : "RIPE",
    "addressCountry" : "AUSTRIA"
  } ]
}

Peers

AS Number	Description	Country
AS8447	A1 Telekom Austria AG	AT

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AS12547 – A1 Telekom Austria AG

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