ASN AS29056 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS29056?

AS29056 is listed under Citycom Telekommunikation GmbH.

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.

AS29056 Citycom Telekommunikation GmbH

Citycom Telekommunikation GmbH grazkom.at

AT 18 Routes

AS Data

AS29056

AS29056 – Citycom Telekommunikation GmbH

AS Number	29056
AS Name	CITYCOM-AS
Organization	Citycom Telekommunikation GmbH (org-gsa1-ripe)
Country	AT
Website	grazkom.at
Number of IPv4 Routes	17
Number of IPv6 Routes	1
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2003-05-21

ASN Intelligence API for production workflows

Use ASN data for AS29056 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
217.29.144.0/20	AS29056	Citycom Telekommunikation GmbH	Citycom Telekommunikation GmbH	4096
37.143.176.0/20	AS29056	Citycom Telekommunikation GmbH	Citycom Telekommunikation GmbH	4096
194.110.78.0/24	AS29056	Citycom Telekommunikation GmbH	SSI Schaefer Automation GmbH	256
85.237.0.0/19	AS29056	Citycom Telekommunikation GmbH	Citycom Telekommunikation GmbH	8192
185.222.128.0/22	AS29056	Citycom Telekommunikation GmbH	Citycom Telekommunikation GmbH	1024
185.220.252.0/22	AS29056	Citycom Telekommunikation GmbH	Citycom Telekommunikation GmbH	1024
91.208.56.0/24	AS29056	Citycom Telekommunikation GmbH	Neuroth International AG	256
193.46.248.0/24	AS29056	Citycom Telekommunikation GmbH	Citycom Telekommunikation GmbH	256
77.75.23.0/24	AS29056	Citycom Telekommunikation GmbH	SysUP IT GmbH & Co KG	256
2a02:758::/32	AS29056	Citycom Telekommunikation GmbH	Citycom Telekommunikation GmbH	~79×10²⁷

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 'AS28914 - AS29090'

as-block:       AS28914 - AS29090
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:        2018-11-22T15:27:31Z
last-modified:  2018-11-22T15:27:31Z
source:         RIPE

% Information related to 'AS29056'

% Abuse contact for 'AS29056' is 'abuse@grazkom.at'

aut-num:        AS29056
as-name:        CITYCOM-AS
remarks:        ------------------------------------------
remarks:        Uplinks
remarks:        ------------------------------------------
import:         from AS1764 action pref=100; accept ANY
export:         to   AS1764 announce AS29056:AS-CITYCOM
mp-import:      from AS1764 action pref=100; accept ANY
mp-export:      to   AS1764 announce AS29056:AS-CITYCOM
import:         from AS8447 action pref=100; accept ANY
export:         to   AS8447 announce AS29056:AS-CITYCOM
mp-import:      from AS8447 action pref=100; accept ANY
mp-export:      to   AS8447 announce AS29056:AS-CITYCOM
remarks:        ------------------------------------------
remarks:        VIX Vienna Internet Exchange RS
remarks:        -----------------------------------------
import:         from AS1121 accept   AS-VIX-RS
export:         to   AS1121 announce AS29056:AS-CITYCOM
mp-import:      from AS1121 accept   AS-VIX-RS AS-VIX-RS-V6
mp-export:      to   AS1121 announce AS29056:AS-CITYCOM
remarks:        -----------------------------------------
remarks:        VIX PNI
remarks:        -----------------------------------------
import:         from AS1120 accept    AS-ACOSERV
export:         to   AS1120 announce  AS29056:AS-CITYCOM
mp-import:      from AS1120 accept    AS-ACOSERV
mp-export:      to   AS1120 announce  AS29056:AS-CITYCOM
import:         from AS1853 accept    AS-ACONETTOVIX
export:         to   AS1853 announce  AS29056:AS-CITYCOM
mp-import:      from AS1853 accept    AS-ACONETTOVIX
mp-export:      to   AS1853 announce  AS29056:AS-CITYCOM
import:         from AS6507 accept    AS-RIOT
export:         to   AS6507 announce  AS29056:AS-CITYCOM
mp-import:      from AS6507 accept    AS-RIOT
mp-export:      to   AS6507 announce  AS29056:AS-CITYCOM
import:         from AS6939 accept    AS-HURRICANE
export:         to   AS6939 announce  AS29056:AS-CITYCOM
mp-import:      from AS6939 accept    AS-HURRICANEv6
mp-export:      to   AS6939 announce  AS29056:AS-CITYCOM
import:         from AS8075 accept    AS-MICROSOFT
export:         to   AS8075 announce  AS29056:AS-CITYCOM
mp-import:      from AS8075 accept    AS-MICROSOFT
mp-export:      to   AS8075 announce  AS29056:AS-CITYCOM
import:         from AS8412 accept    AS-TMA
export:         to   AS8412 announce  AS29056:AS-CITYCOM
mp-import:      from AS8412 accept    AS-TMA
mp-export:      to   AS8412 announce  AS29056:AS-CITYCOM
import:         from AS13030 accept   AS13030:AS-INIT7
export:         to   AS13030 announce AS29056:AS-CITYCOM
mp-import:      from AS13030 accept   AS13030:AS-INIT7
mp-export:      to   AS13030 announce AS29056:AS-CITYCOM
import:         from AS13335 accept   AS13335 AS13335:AS-CLOUDFLARE
export:         to   AS13335 announce AS29056:AS-CITYCOM
mp-import:      from AS13335 accept   AS13335 AS13335:AS-CLOUDFLARE
mp-export:      to   AS13335 announce AS29056:AS-CITYCOM
import:         from AS28857 accept   AS28857
export:         to   AS28857 announce AS29056:AS-CITYCOM
mp-import:      from AS28857 accept   AS28857
mp-export:      to   AS28857 announce AS29056:AS-CITYCOM
import:         from AS33891 accept   AS-CORE-BACKBONE
export:         to   AS33891 announce AS29056:AS-CITYCOM
mp-import:      from AS33891 accept   AS-CORE-BACKBONE
mp-export:      to   AS33891 announce AS29056:AS-CITYCOM
import:         from AS35369 accept   AS-LAGIS
export:         to   AS35369 announce AS29056:AS-CITYCOM
mp-import:      from AS35369 accept   AS-LAGIS6
mp-export:      to   AS35369 announce AS29056:AS-CITYCOM
remarks:        -----------------------------------------
remarks:        GRAX Peers
remarks:        -----------------------------------------
import:         from AS13026 accept   AS13026
export:         to   AS13026 announce AS29056:AS-CITYCOM
import:         from AS50657 accept   AS50657
export:         to   AS50657 announce AS29056:AS-CITYCOM
import:         from AS50700 accept   AS50700
export:         to   AS50700 announce AS29056:AS-CITYCOM
import:         from AS50718 accept   AS50718
export:         to   AS50718 announce AS29056:AS-CITYCOM
import:         from AS50719 accept   AS50719
export:         to   AS50719 announce AS29056:AS-CITYCOM
import:         from AS50720 accept   AS50720
export:         to   AS50720 announce AS29056:AS-CITYCOM
import:         from AS57169 accept   AS-EDIS
export:         to   AS57169 announce AS29056:AS-CITYCOM
remarks:        -----------------------------------------
remarks:        Citycom customers
remarks:        -----------------------------------------
import:         from AS29143 accept    AS29143
export:         to   AS29143 announce  ANY
mp-import:      from AS29143 accept    AS29143
mp-export:      to   AS29143 announce  ANY
import:         from AS31473 accept    AS31473
export:         to   AS31473 announce  ANY
mp-import:      from AS31473 accept    AS31473
mp-export:      to   AS31473 announce  ANY
import:         from AS35646 accept    AS35646
export:         to   AS35646 announce  ANY
mp-import:      from AS35646 accept    AS35646
mp-export:      to   AS35646 announce  ANY
import:         from AS41198 accept    AS41198
export:         to   AS41198 announce  ANY
mp-import:      from AS41198 accept    AS41198
mp-export:      to   AS41198 announce  ANY
import:         from AS44462 accept    AS44462
export:         to   AS44462 announce  ANY
mp-import:      from AS44462 accept    AS44462
mp-export:      to   AS44462 announce  ANY
import:         from AS47106 accept    AS47106
export:         to   AS47106 announce  ANY
mp-import:      from AS47106 accept    AS47106
mp-export:      to   AS47106 announce  ANY
import:         from AS48735 accept    AS48735
export:         to   AS48735 announce  ANY
mp-import:      from AS48735 accept    AS48735
mp-export:      to   AS48735 announce  ANY
import:         from AS204410 accept   AS204410
export:         to   AS204410 announce ANY
mp-import:      from AS204410 accept   AS204410
mp-export:      to   AS204410 announce ANY
import:         from AS210775 accept   AS210775
export:         to   AS210775 announce ANY
mp-import:      from AS210775 accept   AS210775
mp-export:      to   AS210775 announce ANY
import:         from AS214262 accept   AS214262
export:         to   AS214262 announce ANY
mp-import:      from AS214262 accept   AS214262
mp-export:      to   AS214262 announce ANY
remarks:        ---------------------------------------
import:         from AS41437 accept    AS41437 AS206031
export:         to   AS41437 announce  ANY
mp-import:      from AS41437 accept    AS41437 AS206031
mp-export:      to   AS41437 announce  ANY
import:         from AS206031 accept   AS206031
export:         to   AS206031 announce ANY
mp-import:      from AS206031 accept   AS206031
mp-export:      to   AS206031 announce ANY
remarks:        ---------------------------------------------------
remarks:        BGP communities are available with our BGP session.
remarks:        Please contact our NOC for more information.
remarks:        ---------------------------------------------------
org:            ORG-GSA1-RIPE
admin-c:        CA5459-RIPE
tech-c:         CA5459-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CITYCOM-AT-MNT
created:        2003-05-21T09:54:31Z
last-modified:  2026-05-11T09:47:20Z
source:         RIPE

organisation:   ORG-GSA1-RIPE
org-name:       Citycom Telekommunikation GmbH
country:        AT
reg-nr:         FN  165640p
org-type:       LIR
address:        Gadollaplatz 1
address:        8010
address:        Graz
address:        AUSTRIA
phone:          +435066906225
fax-no:         +435066906212
admin-c:        NCT7-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        CITYCOM-AT-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         CITYCOM-AT-MNT
abuse-c:        CA5459-RIPE
created:        2004-04-17T10:58:40Z
last-modified:  2026-05-13T07:20:41Z
source:         RIPE # Filtered

role:           Citycom Telekommunikation RIPE team
address:        Gadollaplatz 1
address:        A-8010 Graz
address:        Austria
phone:          +433168870
admin-c:        NCT7-RIPE
tech-c:         NCT7-RIPE
tech-c:         GK7153-RIPE
abuse-mailbox:  abuse@grazkom.at
nic-hdl:        CA5459-RIPE
mnt-by:         CITYCOM-AT-MNT
created:        2013-06-24T13:15:05Z
last-modified:  2024-11-05T12:50:37Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.122.1 (BUSA)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS28914 - AS29090",
    "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" : "AS29056",
    "as_name" : "CITYCOM-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS1764 action pref=100; accept ANY", "from AS8447 action pref=100; accept ANY", "from AS1121 accept   AS-VIX-RS", "from AS1120 accept    AS-ACOSERV", "from AS1853 accept    AS-ACONETTOVIX", "from AS6507 accept    AS-RIOT", "from AS6939 accept    AS-HURRICANE", "from AS8075 accept    AS-MICROSOFT", "from AS8412 accept    AS-TMA", "from AS13030 accept   AS13030:AS-INIT7", "from AS13335 accept   AS13335 AS13335:AS-CLOUDFLARE", "from AS28857 accept   AS28857", "from AS33891 accept   AS-CORE-BACKBONE", "from AS35369 accept   AS-LAGIS", "from AS13026 accept   AS13026", "from AS50657 accept   AS50657", "from AS50700 accept   AS50700", "from AS50718 accept   AS50718", "from AS50719 accept   AS50719", "from AS50720 accept   AS50720", "from AS57169 accept   AS-EDIS", "from AS29143 accept    AS29143", "from AS31473 accept    AS31473", "from AS35646 accept    AS35646", "from AS41198 accept    AS41198", "from AS44462 accept    AS44462", "from AS47106 accept    AS47106", "from AS48735 accept    AS48735", "from AS204410 accept   AS204410", "from AS210775 accept   AS210775", "from AS214262 accept   AS214262", "from AS41437 accept    AS41437 AS206031", "from AS206031 accept   AS206031" ],
    "mp_import" : [ "from AS1764 action pref=100; accept ANY", "from AS8447 action pref=100; accept ANY", "from AS1121 accept   AS-VIX-RS AS-VIX-RS-V6", "from AS1120 accept    AS-ACOSERV", "from AS1853 accept    AS-ACONETTOVIX", "from AS6507 accept    AS-RIOT", "from AS6939 accept    AS-HURRICANEv6", "from AS8075 accept    AS-MICROSOFT", "from AS8412 accept    AS-TMA", "from AS13030 accept   AS13030:AS-INIT7", "from AS13335 accept   AS13335 AS13335:AS-CLOUDFLARE", "from AS28857 accept   AS28857", "from AS33891 accept   AS-CORE-BACKBONE", "from AS35369 accept   AS-LAGIS6", "from AS29143 accept    AS29143", "from AS31473 accept    AS31473", "from AS35646 accept    AS35646", "from AS41198 accept    AS41198", "from AS44462 accept    AS44462", "from AS47106 accept    AS47106", "from AS48735 accept    AS48735", "from AS204410 accept   AS204410", "from AS210775 accept   AS210775", "from AS214262 accept   AS214262", "from AS41437 accept    AS41437 AS206031", "from AS206031 accept   AS206031" ],
    "export" : [ "to   AS1764 announce AS29056:AS-CITYCOM", "to   AS8447 announce AS29056:AS-CITYCOM", "to   AS1121 announce AS29056:AS-CITYCOM", "to   AS1120 announce  AS29056:AS-CITYCOM", "to   AS1853 announce  AS29056:AS-CITYCOM", "to   AS6507 announce  AS29056:AS-CITYCOM", "to   AS6939 announce  AS29056:AS-CITYCOM", "to   AS8075 announce  AS29056:AS-CITYCOM", "to   AS8412 announce  AS29056:AS-CITYCOM", "to   AS13030 announce AS29056:AS-CITYCOM", "to   AS13335 announce AS29056:AS-CITYCOM", "to   AS28857 announce AS29056:AS-CITYCOM", "to   AS33891 announce AS29056:AS-CITYCOM", "to   AS35369 announce AS29056:AS-CITYCOM", "to   AS13026 announce AS29056:AS-CITYCOM", "to   AS50657 announce AS29056:AS-CITYCOM", "to   AS50700 announce AS29056:AS-CITYCOM", "to   AS50718 announce AS29056:AS-CITYCOM", "to   AS50719 announce AS29056:AS-CITYCOM", "to   AS50720 announce AS29056:AS-CITYCOM", "to   AS57169 announce AS29056:AS-CITYCOM", "to   AS29143 announce  ANY", "to   AS31473 announce  ANY", "to   AS35646 announce  ANY", "to   AS41198 announce  ANY", "to   AS44462 announce  ANY", "to   AS47106 announce  ANY", "to   AS48735 announce  ANY", "to   AS204410 announce ANY", "to   AS210775 announce ANY", "to   AS214262 announce ANY", "to   AS41437 announce  ANY", "to   AS206031 announce ANY" ],
    "mp_export" : [ "to   AS1764 announce AS29056:AS-CITYCOM", "to   AS8447 announce AS29056:AS-CITYCOM", "to   AS1121 announce AS29056:AS-CITYCOM", "to   AS1120 announce  AS29056:AS-CITYCOM", "to   AS1853 announce  AS29056:AS-CITYCOM", "to   AS6507 announce  AS29056:AS-CITYCOM", "to   AS6939 announce  AS29056:AS-CITYCOM", "to   AS8075 announce  AS29056:AS-CITYCOM", "to   AS8412 announce  AS29056:AS-CITYCOM", "to   AS13030 announce AS29056:AS-CITYCOM", "to   AS13335 announce AS29056:AS-CITYCOM", "to   AS28857 announce AS29056:AS-CITYCOM", "to   AS33891 announce AS29056:AS-CITYCOM", "to   AS35369 announce AS29056:AS-CITYCOM", "to   AS29143 announce  ANY", "to   AS31473 announce  ANY", "to   AS35646 announce  ANY", "to   AS41198 announce  ANY", "to   AS44462 announce  ANY", "to   AS47106 announce  ANY", "to   AS48735 announce  ANY", "to   AS204410 announce ANY", "to   AS210775 announce ANY", "to   AS214262 announce ANY", "to   AS41437 announce  ANY", "to   AS206031 announce ANY" ],
    "organization" : "ORG-GSA1-RIPE",
    "admin_contacts" : [ "CA5459-RIPE" ],
    "tech_contacts" : [ "CA5459-RIPE" ],
    "remarks" : [ "------------------------------------------", "Uplinks", "------------------------------------------", "------------------------------------------", "VIX Vienna Internet Exchange RS", "-----------------------------------------", "-----------------------------------------", "VIX PNI", "-----------------------------------------", "-----------------------------------------", "GRAX Peers", "-----------------------------------------", "-----------------------------------------", "Citycom customers", "-----------------------------------------", "---------------------------------------", "---------------------------------------------------", "BGP communities are available with our BGP session.", "Please contact our NOC for more information.", "---------------------------------------------------" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "CITYCOM-AT-MNT" ],
    "date_created" : "2003-05-21",
    "date_updated" : "2026-05-11",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-GSA1-RIPE",
    "name" : "Citycom Telekommunikation GmbH",
    "type" : "LIR",
    "address" : [ "Gadollaplatz 1", "8010", "Graz", "AUSTRIA" ],
    "street" : "Gadollaplatz",
    "city" : "Graz",
    "zip_code" : "8010",
    "country" : [ "AT" ],
    "phone" : [ "+435066906225" ],
    "fax_no" : [ "+435066906212" ],
    "admin_contacts" : [ "NCT7-RIPE" ],
    "abuse_contacts" : [ "CA5459-RIPE" ],
    "mnt_ref" : [ "RIPE-NCC-HM-MNT", "CITYCOM-AT-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "CITYCOM-AT-MNT" ],
    "date_created" : "2004-04-17",
    "date_updated" : "2026-05-13",
    "source" : "RIPE",
    "addressCountry" : "AUSTRIA"
  },
  "administrative_contacts" : [ {
    "handle" : "CA5459-RIPE",
    "name" : "Citycom Telekommunikation RIPE team",
    "address" : [ "Gadollaplatz 1", "A-8010 Graz", "Austria" ],
    "street" : "Gadollaplatz",
    "city" : "Graz",
    "zip_code" : "A-8010",
    "country" : "AUSTRIA",
    "abuse_mailbox" : [ "abuse@grazkom.at" ],
    "phone" : [ "+433168870" ],
    "admin_contacts" : [ "NCT7-RIPE" ],
    "tech_contacts" : [ "NCT7-RIPE", "GK7153-RIPE" ],
    "mnt_by" : [ "CITYCOM-AT-MNT" ],
    "date_created" : "2013-06-24",
    "date_updated" : "2024-11-05",
    "source" : "RIPE",
    "addressCountry" : "AUSTRIA"
  } ],
  "technical_contacts" : [ {
    "handle" : "CA5459-RIPE",
    "name" : "Citycom Telekommunikation RIPE team",
    "address" : [ "Gadollaplatz 1", "A-8010 Graz", "Austria" ],
    "street" : "Gadollaplatz",
    "city" : "Graz",
    "zip_code" : "A-8010",
    "country" : "AUSTRIA",
    "abuse_mailbox" : [ "abuse@grazkom.at" ],
    "phone" : [ "+433168870" ],
    "admin_contacts" : [ "NCT7-RIPE" ],
    "tech_contacts" : [ "NCT7-RIPE", "GK7153-RIPE" ],
    "mnt_by" : [ "CITYCOM-AT-MNT" ],
    "date_created" : "2013-06-24",
    "date_updated" : "2024-11-05",
    "source" : "RIPE",
    "addressCountry" : "AUSTRIA"
  } ]
}

Peers

AS Number	Description	Country
AS199081	Lancom Ltd.	GR
AS40994	Hohl IT e.U.	AT
AS50720	Ing. Martin Jantscher	AT
AS9498	Bharti Airtel Limited	IN
AS48735	DELTA DIGITAL Friesenbichler & Co GmbH	AT
AS50719	XINON GmbH	AT
AS35646	Grazer Wechselseitige Versicherung AG	AT
AS13030	Init7 (Switzerland) Ltd.	CH
AS6939	Hurricane Electric LLC	US
AS60602	Inovare-Prim SRL	MD

Upstreams

AS Number	Description	Country
AS39120	Convergenze S.p.A.	IT
AS9498	Bharti Airtel Limited	IN
AS14840	BR.Digital Telecom	BR
AS9002	RETN Limited	GB
AS1764	Next Layer Telekommunikationsdienstleistungs und Beratungs GmbH	AT
AS263444	Open X Tecnologia Ltda	BR
AS6939	Hurricane Electric LLC	US
AS48362	Stadtwerke Feldkirch	AT
AS5405	Inter.link GmbH	DE
AS6663	Euroweb Romania S.R.L.	RO

Downstreams

AS Number	Description	Country
AS214262	Tobias Graeven trading as Dyris IT Services e.U.	AT
AS31473	BearingPoint GmbH	AT
AS41198	IGT Austria GmbH	AT
AS35646	Grazer Wechselseitige Versicherung AG	AT
AS48735	DELTA DIGITAL Friesenbichler & Co GmbH	AT
AS29143	Magistrat Graz	AT
AS44462	Stadtwerke Muerzzuschlag GmbH	AT
AS204410	Feistritzwerke STEWEAG GmbH	AT
AS47106	Anton Paar GmbH	AT
AS41437	KNAPP AG	AT

ASN Lookup Tool

ASN Summary