What is ASN AS204253?

ASN AS204253 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS204253?

AS204253 is listed under CTS Eventim Solutions 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.

AS204253 CTS Eventim Solutions GmbH

ASN Lookup Tool

CTS Eventim Solutions GmbH eventim.de

DE 5 Routes

AS Data

AS204253

AS204253 – CTS Eventim Solutions GmbH

AS Number	204253
AS Name	DE-EVENTIM-DC
Organization	CTS Eventim Solutions GmbH (org-cesg1-ripe)
Country	DE
Website	eventim.de
Number of IPv4 Routes	5
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2015-07-17

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
185.109.196.0/22	AS204253	CTS Eventim Solutions GmbH	CTS Eventim Solutions GmbH	1024
185.109.197.0/24	AS204253	CTS Eventim Solutions GmbH	CTS Eventim Solutions GmbH	256
185.109.196.0/24	AS204253	CTS Eventim Solutions GmbH	CTS Eventim Solutions GmbH	256
185.109.198.0/24	AS204253	CTS Eventim Solutions GmbH	CTS Eventim Solutions GmbH	256
185.109.199.0/24	AS204253	CTS Eventim Solutions GmbH	CTS Eventim Solutions GmbH	256

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 'AS203940 - AS205662'

as-block:       AS203940 - AS205662
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:        2026-03-05T15:29:31Z
last-modified:  2026-03-05T15:29:31Z
source:         RIPE

% Information related to 'AS204253'

% Abuse contact for 'AS204253' is 'network@eventim.de'

aut-num:        AS204253
as-name:        DE-EVENTIM-DC
org:            ORG-CESG1-RIPE
remarks:        -----------------------------------------------------
remarks:        --- UPSTREAMS
remarks:        -----------------------------------------------------
remarks:        --- PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK
import:         from AS32787 accept ANY
export:         to AS32787 announce AS204253
remarks:        --- AS-EQUINIX
import:         from AS15830 accept ANY
export:         to AS15830 announce AS204253
remarks:        --- AS-CORE-BACKBONE
import:         from AS33891 accept ANY
export:         to AS33891 announce AS204253
remarks:        --- AS-INTERDOTLINK
import:         from AS5405 accept ANY
export:         to AS5405 announce AS204253
remarks:        -----------------------------------------------------
admin-c:        AR32918-RIPE
tech-c:         AR32918-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         de-eventim-1-mnt
created:        2015-07-17T12:59:57Z
last-modified:  2025-07-10T13:18:41Z
source:         RIPE # Filtered

organisation:   ORG-CESG1-RIPE
org-name:       CTS Eventim Solutions GmbH
country:        DE
org-type:       LIR
address:        Contrescarpe 75A
address:        D-28195
address:        Bremen
address:        GERMANY
phone:          +49 421 3666 6999
admin-c:        AR32918-RIPE
tech-c:         AR32918-RIPE
abuse-c:        AR32918-RIPE
mnt-ref:        de-eventim-1-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         de-eventim-1-mnt
mnt-ref:        RIPE-NCC-HM-MNT
created:        2015-07-16T07:21:38Z
last-modified:  2024-07-04T08:35:39Z
source:         RIPE # Filtered
geoloc:         50.1211827 8.553993
language:       DE

role:           Team Network
org:            ORG-CESG1-RIPE
address:        Contrescarpe 75A
address:        D-28195
address:        Bremen
address:        GERMANY
phone:          +49 421 3666 6999
nic-hdl:        AR32918-RIPE
abuse-mailbox:  network@eventim.de
tech-c:         TS39113-RIPE
admin-c:        TS39113-RIPE
tech-c:         LOG14-RIPE
admin-c:        LOG14-RIPE
tech-c:         LJ2777-RIPE
admin-c:        LJ2777-RIPE
admin-c:        TR6432-RIPE
tech-c:         TR6432-RIPE
mnt-by:         de-eventim-1-mnt
created:        2015-07-16T07:21:36Z
last-modified:  2023-06-27T13:33:16Z
source:         RIPE # Filtered

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS203940 - AS205662",
    "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" : "2026-03-05",
    "date_updated" : "2026-03-05",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS204253",
    "as_name" : "DE-EVENTIM-DC",
    "status" : "ASSIGNED",
    "import" : [ "from AS32787 accept ANY", "from AS15830 accept ANY", "from AS33891 accept ANY", "from AS5405 accept ANY" ],
    "export" : [ "to AS32787 announce AS204253", "to AS15830 announce AS204253", "to AS33891 announce AS204253", "to AS5405 announce AS204253" ],
    "organization" : "ORG-CESG1-RIPE",
    "admin_contacts" : [ "AR32918-RIPE" ],
    "tech_contacts" : [ "AR32918-RIPE" ],
    "remarks" : [ "-----------------------------------------------------", "--- UPSTREAMS", "-----------------------------------------------------", "--- PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK", "--- AS-EQUINIX", "--- AS-CORE-BACKBONE", "--- AS-INTERDOTLINK", "-----------------------------------------------------" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "de-eventim-1-mnt" ],
    "date_created" : "2015-07-17",
    "date_updated" : "2025-07-10",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-CESG1-RIPE",
    "name" : "CTS Eventim Solutions GmbH",
    "type" : "LIR",
    "address" : [ "Contrescarpe 75A", "D-28195", "Bremen", "GERMANY" ],
    "street" : "Contrescarpe",
    "city" : "Bremen",
    "zip_code" : "D-28195",
    "country" : [ "DE" ],
    "latitude" : 50.1211827,
    "longitude" : 8.553993,
    "phone" : [ "+49 421 3666 6999" ],
    "admin_contacts" : [ "AR32918-RIPE" ],
    "tech_contacts" : [ "AR32918-RIPE" ],
    "abuse_contacts" : [ "AR32918-RIPE" ],
    "languages" : [ "DE" ],
    "mnt_ref" : [ "de-eventim-1-mnt", "RIPE-NCC-HM-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "de-eventim-1-mnt" ],
    "date_created" : "2015-07-16",
    "date_updated" : "2024-07-04",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  },
  "administrative_contacts" : [ {
    "handle" : "AR32918-RIPE",
    "name" : "Team Network",
    "address" : [ "Contrescarpe 75A", "D-28195", "Bremen", "GERMANY" ],
    "street" : "Contrescarpe",
    "city" : "Bremen",
    "zip_code" : "D-28195",
    "country" : "GERMANY",
    "abuse_mailbox" : [ "network@eventim.de" ],
    "phone" : [ "+49 421 3666 6999" ],
    "organizations" : [ "ORG-CESG1-RIPE" ],
    "admin_contacts" : [ "TS39113-RIPE", "LOG14-RIPE", "LJ2777-RIPE", "TR6432-RIPE" ],
    "tech_contacts" : [ "TS39113-RIPE", "LOG14-RIPE", "LJ2777-RIPE", "TR6432-RIPE" ],
    "mnt_by" : [ "de-eventim-1-mnt" ],
    "date_created" : "2015-07-16",
    "date_updated" : "2023-06-27",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  } ],
  "technical_contacts" : [ {
    "handle" : "AR32918-RIPE",
    "name" : "Team Network",
    "address" : [ "Contrescarpe 75A", "D-28195", "Bremen", "GERMANY" ],
    "street" : "Contrescarpe",
    "city" : "Bremen",
    "zip_code" : "D-28195",
    "country" : "GERMANY",
    "abuse_mailbox" : [ "network@eventim.de" ],
    "phone" : [ "+49 421 3666 6999" ],
    "organizations" : [ "ORG-CESG1-RIPE" ],
    "admin_contacts" : [ "TS39113-RIPE", "LOG14-RIPE", "LJ2777-RIPE", "TR6432-RIPE" ],
    "tech_contacts" : [ "TS39113-RIPE", "LOG14-RIPE", "LJ2777-RIPE", "TR6432-RIPE" ],
    "mnt_by" : [ "de-eventim-1-mnt" ],
    "date_created" : "2015-07-16",
    "date_updated" : "2023-06-27",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  } ]
}

Peers

AS Number	Description	Country
AS15830	Equinix EMEA Acquisition Enterprises B.V.	NL
AS33891	Core-Backbone GmbH	DE
AS5405	Inter.link GmbH	DE
AS33891	Core Backbone GmbH	DE
AS32787	Akamai Technologies, Inc.	US