ASN AS33873 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS33873?

AS33873 is listed under Arvato Systems 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.

AS33873 Arvato Systems GmbH | IPGeolocation.io

ASN Lookup Tool

Arvato Systems GmbH bertelsmann.de

DE 31 Routes

AS Data

AS33873

AS33873 – Arvato Systems GmbH

AS Number	33873
AS Name	arvato-systems-AS
Organization	Arvato Systems GmbH (org-bmg1-ripe)
Country	DE
Website	bertelsmann.de
Number of IPv4 Routes	29
Number of IPv6 Routes	2
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2004-08-25

ASN Intelligence API for production workflows

Use ASN data for AS33873 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
146.185.96.0/19	AS33873	Arvato Systems GmbH	ACS PharmaProtect GmbH	8192
2a01:4a8::/32	AS33873	Arvato Systems GmbH	Arvato Systems Service for IPv6 Network Integration	~79×10²⁷
91.105.240.0/21	AS33873	Arvato Systems GmbH	ACS PharmaProtect GmbH	2048
2001:678:6b0::/48	AS33873	Arvato Systems GmbH	TenneT TSO GmbH	~1×10²⁴
84.17.160.0/19	AS33873	Arvato Systems GmbH	Arvato Systems GmbH	8192
194.127.102.0/24	AS33873	Arvato Systems GmbH	swb AG	256
84.17.160.0/20	AS33873	Arvato Systems GmbH	Arvato Systems GmbH	4096
185.29.117.0/24	AS33873	Arvato Systems GmbH	Arvato Systems GmbH	256
185.79.170.0/23	AS33873	Arvato Systems GmbH	Arvato Systems GmbH	512
84.17.176.0/20	AS33873	Arvato Systems GmbH	Arvato Systems GmbH	4096

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 'AS33792 - AS34436'

as-block:       AS33792 - AS34436
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:        2023-04-20T14:54:28Z
last-modified:  2023-04-20T14:54:28Z
source:         RIPE

% Information related to 'AS33873'

% Abuse contact for 'AS33873' is 'abuse-ripe@bertelsmann.de'

aut-num:        AS33873
as-name:        arvato-systems-AS
org:            ORG-BmG1-RIPE
descr:          *
descr:          **
descr:          *
descr:          *******************************************************
descr:          Transit Provider IPv4
descr:          *******************************************************
descr:          *
import:         from AS34309 accept ANY
import:         from AS5400 accept ANY
import:         from AS6805 accept ANY
import:         from AS15169 accept ANY
import:         from AS51401 accept ANY
export:         to AS34309 announce AS-ARVATO
export:         to AS5400 announce AS-ARVATO
export:         to AS6805 announce AS-ARVATO
export:         to AS15169 announce AS-ARVATO
export:         to AS51401 announce AS-ARVATO
descr:          *
descr:          **
descr:          *
descr:          *******************************************************
descr:          Transit Provider IPv6
descr:          *******************************************************
descr:          *
mp-import:      afi ipv6.unicast from AS34309 accept ANY
mp-import:      afi ipv6.unicast from AS5400 accept ANY
mp-import:      afi ipv6.unicast from AS6805 accept ANY
mp-import:      afi ipv6.unicast from AS15169 accept ANY
mp-import:      afi ipv6.unicast from AS51401 accept ANY
mp-export:      afi ipv6.unicast to AS34309 announce AS-ARVATO-V6
mp-export:      afi ipv6.unicast to AS5400 announce AS-ARVATO-V6
mp-export:      afi ipv6.unicast to AS6805 announce AS-ARVATO-V6
mp-export:      afi ipv6.unicast to AS15169 announce AS-ARVATO-V6
mp-export:      afi ipv6.unicast to AS51401 announce AS-ARVATO-V6
descr:          *
descr:          **
descr:          *
descr:          *******************************************************
descr:          *
admin-c:        ASAC11-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
tech-c:         ASTC2-RIPE
mnt-by:         arvato-systems-mnt
created:        2004-08-25T14:49:13Z
last-modified:  2020-11-13T12:39:11Z
source:         RIPE # Filtered

organisation:   ORG-BmG1-RIPE
org-name:       Arvato Systems GmbH
country:        DE
org-type:       LIR
address:        Reinhard-Mohn-Stra�e 200
address:        33333
address:        Guetersloh
address:        GERMANY
phone:          +49 5241 80 8000
fax-no:         +49 5241 80 68000
abuse-c:        AR14502-RIPE
mnt-ref:        arvato-systems-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         arvato-systems-MNT
admin-c:        ASAC11-RIPE
tech-c:         ASTC2-RIPE
created:        2004-04-17T11:05:29Z
last-modified:  2021-07-07T13:09:24Z
source:         RIPE # Filtered

role:           Arvato Systems Admin Contact
address:        Arvato Systems GmbH
address:        Reinhard-Mohn-Stra�e 200
address:        33333 Guetersloh
address:        Germany
phone:          +49 5241 80 3081
admin-c:        ASRT2-RIPE
abuse-mailbox:  abuse-ripe@bertelsmann.de
nic-hdl:        ASAC11-RIPE
mnt-by:         arvato-systems-MNT
created:        2016-10-14T14:02:14Z
last-modified:  2021-07-14T09:19:43Z
source:         RIPE # Filtered

role:           Arvato Systems Technical Contact
address:        Arvato Systems GmbH
address:        Reinhard-Mohn-Stra�e 200
address:        33333 Guetersloh
address:        Germany
phone:          +49 5241 80 3081
tech-c:         ASRT2-RIPE
abuse-mailbox:  abuse-ripe@bertelsmann.de
nic-hdl:        ASTC2-RIPE
mnt-by:         arvato-systems-MNT
created:        2016-10-14T14:07:34Z
last-modified:  2021-07-14T09:20:04Z
source:         RIPE # Filtered

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS33792 - AS34436",
    "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" : "2023-04-20",
    "date_updated" : "2023-04-20",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS33873",
    "as_name" : "arvato-systems-AS",
    "description" : [ "*", "**", "*", "*******************************************************", "Transit Provider IPv4", "*******************************************************", "*", "*", "**", "*", "*******************************************************", "Transit Provider IPv6", "*******************************************************", "*", "*", "**", "*", "*******************************************************", "*" ],
    "status" : "ASSIGNED",
    "import" : [ "from AS34309 accept ANY", "from AS5400 accept ANY", "from AS6805 accept ANY", "from AS15169 accept ANY", "from AS51401 accept ANY" ],
    "mp_import" : [ "afi ipv6.unicast from AS34309 accept ANY", "afi ipv6.unicast from AS5400 accept ANY", "afi ipv6.unicast from AS6805 accept ANY", "afi ipv6.unicast from AS15169 accept ANY", "afi ipv6.unicast from AS51401 accept ANY" ],
    "export" : [ "to AS34309 announce AS-ARVATO", "to AS5400 announce AS-ARVATO", "to AS6805 announce AS-ARVATO", "to AS15169 announce AS-ARVATO", "to AS51401 announce AS-ARVATO" ],
    "mp_export" : [ "afi ipv6.unicast to AS34309 announce AS-ARVATO-V6", "afi ipv6.unicast to AS5400 announce AS-ARVATO-V6", "afi ipv6.unicast to AS6805 announce AS-ARVATO-V6", "afi ipv6.unicast to AS15169 announce AS-ARVATO-V6", "afi ipv6.unicast to AS51401 announce AS-ARVATO-V6" ],
    "organization" : "ORG-BmG1-RIPE",
    "admin_contacts" : [ "ASAC11-RIPE" ],
    "tech_contacts" : [ "ASTC2-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "arvato-systems-mnt" ],
    "date_created" : "2004-08-25",
    "date_updated" : "2020-11-13",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-BmG1-RIPE",
    "name" : "Arvato Systems GmbH",
    "type" : "LIR",
    "address" : [ "Reinhard-Mohn-Stra?e 200", "33333", "Guetersloh", "GERMANY" ],
    "city" : "Guetersloh",
    "zip_code" : "33333",
    "country" : [ "DE" ],
    "phone" : [ "+49 5241 80 8000" ],
    "fax_no" : [ "+49 5241 80 68000" ],
    "admin_contacts" : [ "ASAC11-RIPE" ],
    "tech_contacts" : [ "ASTC2-RIPE" ],
    "abuse_contacts" : [ "AR14502-RIPE" ],
    "mnt_ref" : [ "arvato-systems-MNT", "RIPE-NCC-HM-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "arvato-systems-MNT" ],
    "date_created" : "2004-04-17",
    "date_updated" : "2021-07-07",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  },
  "administrative_contacts" : [ {
    "handle" : "ASAC11-RIPE",
    "name" : "Arvato Systems Admin Contact",
    "address" : [ "Arvato Systems GmbH", "Reinhard-Mohn-Stra?e 200", "33333 Guetersloh", "Germany" ],
    "city" : "Guetersloh",
    "zip_code" : "33333",
    "country" : "GERMANY",
    "abuse_mailbox" : [ "abuse-ripe@bertelsmann.de" ],
    "phone" : [ "+49 5241 80 3081" ],
    "admin_contacts" : [ "ASRT2-RIPE" ],
    "mnt_by" : [ "arvato-systems-MNT" ],
    "date_created" : "2016-10-14",
    "date_updated" : "2021-07-14",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  } ],
  "technical_contacts" : [ {
    "handle" : "ASTC2-RIPE",
    "name" : "Arvato Systems Technical Contact",
    "address" : [ "Arvato Systems GmbH", "Reinhard-Mohn-Stra?e 200", "33333 Guetersloh", "Germany" ],
    "city" : "Guetersloh",
    "zip_code" : "33333",
    "country" : "GERMANY",
    "abuse_mailbox" : [ "abuse-ripe@bertelsmann.de" ],
    "phone" : [ "+49 5241 80 3081" ],
    "tech_contacts" : [ "ASRT2-RIPE" ],
    "mnt_by" : [ "arvato-systems-MNT" ],
    "date_created" : "2016-10-14",
    "date_updated" : "2021-07-14",
    "source" : "RIPE",
    "addressCountry" : "GERMANY"
  } ]
}

Peers

AS Number	Description	Country
AS51401	Arvato Systems GmbH	DE
AS15169	Google LLC	US
AS6805	Telefonica Germany GmbH & Co.OHG	DE
AS34309	Link11 GmbH	DE
AS5400	British Telecommunications PLC	GB

Upstreams

AS Number	Description	Country
AS34309	Link11 GmbH	DE
AS5400	British Telecommunications PLC	GB

Downstreams

AS Number	Description	Country
AS51401	Arvato Systems GmbH	DE