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 AS21256 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS21256\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 'AS21243 - AS21270'
as-block: AS21243 - AS21270
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 'AS21256'
% Abuse contact for 'AS21256' is 'abuse@it-tv.org'
aut-num: AS21256
as-name: LUXLINK-AS
org: ORG-BL207-RIPE
descr: Lutsk, Ukraine
import: from AS3255 accept ANY
export: to AS3255 announce AS21256
import: from AS48239 accept ANY
export: to AS48239 announce AS21256
import: from AS199995 accept ANY
export: to AS199995 announce AS21256
admin-c: ITTV-RIPE
tech-c: ITTV-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MNT-ITTV
created: 2002-04-05T19:30:08Z
last-modified: 2025-12-29T13:27:04Z
source: RIPE
sponsoring-org: ORG-LE141-RIPE
organisation: ORG-BL207-RIPE
org-name: Luxlink ltd
country: UA
org-type: OTHER
address: Voli 1b, Lutsk, Ukraine 43025
admin-c: ITTV-RIPE
tech-c: ITTV-RIPE
abuse-c: ITTV3-RIPE
mnt-ref: MNT-ITTV
mnt-ref: AS3255-MNT
mnt-by: MNT-ITTV
created: 2015-02-16T11:42:57Z
last-modified: 2022-12-01T16:18:01Z
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)