203786 -Reserved AS-, ZZ
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS9002 RETN-AS, GB
AS174 COGENT-174, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 71015 AS203786 ORIGIN Originate: 256 /24.00 Transit: 0 /0.00 -Reserved AS-, ZZ
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 % 62799 AS203786 -Reserved AS-, ZZ 1 0 0 1 0 0.00% Prefix AS Path Aggregation Suggestion 193.101.13.0/24 7018 174 203786
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS203786 3 More Specifics 3 Total Advertisements CHANGER-LLC, US
103.228.66.0/23 103.228.64.0/22
103.228.66.0/24 103.228.64.0/22
103.228.67.0/24 103.228.64.0/22
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 103.228.66.0/23 Announced
+ 103.228.66.0/24 Announced
+ 103.228.67.0/24 Announced
whois: 402590
IANA has recorded AS203786 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS203786\n % This is the RIPE Database query service.
% The objects are in RPSL format.
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% 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 'AS203786'
% Abuse contact for 'AS203786' is 'abuse@wk-serv.de'
aut-num: AS203786
as-name: WK-AS
org: ORG-PWTA6-RIPE
import: from AS174 accept ANY
export: to AS174 announce AS203786
import: from AS9002 accept ANY
export: to AS9002 announce AS203786
admin-c: RA11937-RIPE
tech-c: RA11937-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: WKSERV-MNT
created: 2025-11-14T14:41:40Z
last-modified: 2025-11-14T14:41:40Z
source: RIPE
organisation: ORG-PWTA6-RIPE
org-name: Patrick Westenberg trading as Westenberg + Kueppers GbR
country: DE
reg-nr: Not Applicable
org-type: LIR
address: Spanische Schanzen 37
address: 47495
address: Rheinberg
address: GERMANY
phone: +4928439036906
admin-c: RA11937-RIPE
tech-c: RA11937-RIPE
abuse-c: AR76904-RIPE
mnt-by: RIPE-NCC-HM-MNT
mnt-by: WKSERV-MNT
created: 2024-09-26T08:00:28Z
last-modified: 2026-05-13T07:11:29Z
source: RIPE # Filtered
mnt-ref: WKSERV-MNT
%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.
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