This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402332
IANA has recorded AS21159 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS21159\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 'AS21153 - AS21241'
as-block: AS21153 - AS21241
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: 2018-11-22T15:27:27Z
last-modified: 2018-11-22T15:27:27Z
source: RIPE
% Information related to 'AS21159'
% Abuse contact for 'AS21159' is 'abuse@novoserve.com'
aut-num: AS21159
org: ORG-NB80-RIPE
as-name: NOVOSERVE-GMBH-AS
descr: Frankfurt, Germany
admin-c: NRA29-RIPE
tech-c: NRA29-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: nl-novoserve-1-mnt
created: 2002-06-20T08:02:45Z
last-modified: 2018-09-04T09:52:00Z
source: RIPE
organisation: ORG-NB80-RIPE
org-name: NovoServe B.V.
country: NL
org-type: LIR
address: Schuttersveld 17 1
address: 7514 AC
address: Enschede
address: NETHERLANDS
phone: +31 857730188
admin-c: SVG276-RIPE
tech-c: NRA29-RIPE
abuse-c: AR35807-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: nl-novoserve-1-mnt
mnt-by: RIPE-NCC-HM-MNT
mnt-by: nl-novoserve-1-mnt
created: 2016-03-21T09:05:24Z
last-modified: 2026-04-20T14:11:58Z
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 1.121.2 (ABERDEEN)