This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS203234 1 More Specifics 1 Total Advertisements NL-COOSTO-1-AS, NL
185.138.240.0/23 185.138.240.0/22
whois: 402590
IANA has recorded AS203234 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS203234\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 'AS203234'
% Abuse contact for 'AS203234' is 'abuse@coosto.com'
aut-num: AS203234
as-name: nl-coosto-1-as
org: ORG-CB101-RIPE
import: from AS51088 accept ANY
import: from AS24785 accept ANY
import: from AS20562 accept ANY
export: to AS14618 announce AS203234
export: to AS16509 announce AS203234
admin-c: CNOC22-RIPE
tech-c: CNOC22-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: nl-coosto-1-mnt
created: 2016-03-03T14:22:03Z
last-modified: 2025-04-28T14:10:20Z
source: RIPE
organisation: ORG-CB101-RIPE
org-name: Coosto BV
country: NL
reg-nr: 58880771
org-type: LIR
address: Kennedyplein 101
address: 5611 ZS
address: Eindhoven
address: NETHERLANDS
phone: +31402492700
admin-c: CNOC22-RIPE
tech-c: CNOC22-RIPE
abuse-c: AR35406-RIPE
mnt-ref: nl-coosto-1-mnt
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: nl-coosto-1-mnt
created: 2016-02-15T11:39:15Z
last-modified: 2026-05-13T07:22:38Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
%
% Queries from your IP address have passed the daily limit of controlled objects.
% Access from your host has been temporarily denied.
% For more information, see
% https://docs.db.ripe.net/FAQ#why-did-i-receive-an-error-201-access-denied
% This query was served by the RIPE Database Query Service version 1.122.1 (SHETLAND)