ResearchRouting table, RPKI, IRR & looking glass

AS12437 DTS Systeme Muenster GmbH

AS12437 (DTS-Systeme-Muenster) is registered to DTS Systeme Muenster GmbH in DE, through RIPE. It originates 2 prefixes in the global routing table.

1
IPv4 prefixes
1
IPv6 prefixes
8,192
IPv4 addresses
100%
RPKI valid

Who holds AS12437

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS12437
Handle
DTS-Systeme-Muenster
Organization
DTS Systeme Muenster GmbH
Country
DE
Registry
RIPE
ASPA
None published
WHOIS recordRIPE
% 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 'AS12288 - AS12454'

as-block:       AS12288 - AS12454
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 'AS12437'

% Abuse contact for 'AS12437' is 'abuse@icsmedia.de'

aut-num:        AS12437
as-name:        DTS-Systeme-Muenster
org:            ORG-IG7-RIPE
descr:          DTS Systeme Münster GmbH
descr:          Soester Str. 13
descr:          48155 Münster
descr:          Germany
remarks:
remarks:        --------------------------------------------
remarks:        DTS Systeme
import:         from AS8879 accept ANY
export:         to AS8879 announce AS-ICSMEDIA
remarks:        --------------------------------------------
remarks:        Deutsche Telekom
import:         from AS3320 accept ANY
export:         to AS3320 announce AS-ICSMEDIA
remarks:        --------------------------------------------
remarks:
remarks:        --------------------------------------------
remarks:        Aschendorff Medien
import:         from AS39077 accept AS39077
export:         to AS39077 announce any
remarks:        --------------------------------------------
remarks:
admin-c:        IH1102-RIPE
tech-c:         IH1102-RIPE
remarks:
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ICSMEDIA-MNT
created:        2002-05-06T14:30:23Z
last-modified:  2019-04-17T10:18:49Z
source:         RIPE

organisation:   ORG-IG7-RIPE
org-name:       DTS Systeme Muenster GmbH
country:        DE
reg-nr:         District court Münster HRB 4697
org-type:       LIR
address:        Soester Strasse 13
address:        48155
address:        Münster
address:        GERMANY
phone:          +49 251 60600
fax-no:         +49 251 6060190
admin-c:        IH1102-RIPE
tech-c:         IH1102-RIPE
abuse-c:        IH1102-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        ICSMEDIA-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         ICSMEDIA-MNT
created:        2004-04-17T11:08:16Z
last-modified:  2026-05-13T07:03:59Z
source:         RIPE # Filtered

role:           DTS Systeme Muenster NOC
address:        DTS Systeme Münster GmbH
address:        Soester Str. 13
address:        D-48155 Münster
address:        Germany
phone:          +49 251 6060-0
fax-no:         +49 251 6060-190
abuse-mailbox:  abuse@icsmedia.de
admin-c:        FJO7-RIPE
admin-c:        HD4036-RIPE
admin-c:        NSR4-RIPE
tech-c:         FJO7-RIPE
tech-c:         HD4036-RIPE
tech-c:         NSR4-RIPE
nic-hdl:        IH1102-RIPE
mnt-by:         ICSMEDIA-MNT
created:        2011-06-17T15:36:18Z
last-modified:  2025-07-22T11:13:22Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.124.1 (BUSA)


What AS12437 announces

Prefixes originated by AS12437 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
1
IPv6 prefixes
1
IPv4 addresses
8,192 (32 /24s)
RPKI valid
2 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS12437
5
With an IRR route object
2 100%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (1)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS12437 is reached through

The AS just before AS12437 in the paths our looking glass collectors hold, for 2 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RIPEDTS-Systeme-MuensterRIPE-NCC-END-MNT, ICSMEDIA-MNT

Route objects with origin AS12437: RIPE 40

as-sets that list AS12437 (6)