203437 CGM, DE
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS12360 KTK KEVAG Telekom GmbH, DE
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 14745 AS203437 ORIGIN Originate: 5376 /19.61 Transit: 0 /0.00 CGM, DE
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 61977 AS203437 CGM, DE 4 0 0 4 0 0.00% Prefix AS Path Aggregation Suggestion 79.135.112.0/21 4777 2497 3320 12360 203437 193.218.8.0/22 4777 2497 3320 12360 203437 194.77.185.0/24 4777 2497 3320 12360 203437 194.105.40.0/21 4777 2497 3320 12360 203437
whois: 402332
IANA has recorded AS203437 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS203437\n % 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.
% Information related to 'AS203113 - AS203887'
as-block: AS203113 - AS203887
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: 2024-11-12T15:22:00Z
last-modified: 2024-11-12T15:22:00Z
source: RIPE
% Information related to 'AS203437'
% Abuse contact for 'AS203437' is 'abuse@cgm.com'
aut-num: AS203437
as-name: CGM
org: ORG-CMA19-RIPE
import: from AS12360 accept ANY
export: to AS12360 announce AS203437
import: from AS9063 accept ANY
export: to AS9063 announce AS203437
import: from AS200303 accept ANY
export: to AS200303 announce AS203437
admin-c: GITA1-RIPE
tech-c: GITT1-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: CGM-MNT
created: 2016-01-19T10:26:46Z
last-modified: 2025-11-11T14:07:36Z
source: RIPE
organisation: ORG-CMA19-RIPE
org-name: CompuGroup Medical SE & Co. KGaA
country: DE
org-type: LIR
address: Maria Trost 21
address: 56070
address: Koblenz
address: GERMANY
phone: +4926180000
fax-no: +4926180003331
reg-nr: District court Koblenz HRB 27430
admin-c: GITA1-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: CGM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: CGM-MNT
abuse-c: CME11-RIPE
created: 2012-10-25T13:04:15Z
last-modified: 2026-04-29T05:33:49Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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% Access from your host has been temporarily denied.
% For more information, see
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% This query was served by the RIPE Database Query Service version 1.122 (BUSA)