This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402590
IANA has recorded AS51148 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS51148\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 'AS50893 - AS51311'
as-block: AS50893 - AS51311
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: 2024-12-10T14:54:30Z
last-modified: 2024-12-10T14:54:30Z
source: RIPE
% Information related to 'AS51148'
% Abuse contact for 'AS51148' is 'abuse@cellnextelecom.pl'
aut-num: AS51148
as-name: CLX
org: ORG-CPSZ15-RIPE
import: from AS5617 accept ANY
export: to AS5617 announce AS51148
import: from AS8545 accept ANY
export: to AS8545 announce AS51148
admin-c: NA8851-RIPE
tech-c: NA8851-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: PL-CELLNEX-MNT
created: 2016-01-06T10:07:29Z
last-modified: 2024-07-10T07:06:59Z
source: RIPE
organisation: ORG-CPSZ15-RIPE
org-name: CELLNEX POLAND Sp. z o.o.
country: PL
reg-nr: 385117880
org-type: LIR
address: ul. Marcina Kasprzaka 4
address: 01-211
address: Warszawa
address: POLAND
phone: +48 730 005 902
admin-c: NA8851-RIPE
tech-c: NA8851-RIPE
abuse-c: AR75969-RIPE
mnt-by: RIPE-NCC-HM-MNT
mnt-by: PL-CELLNEX-MNT
created: 2024-06-19T07:20:20Z
last-modified: 2026-05-13T07:04:56Z
source: RIPE # Filtered
mnt-ref: PL-CELLNEX-MNT
%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 (BUSA)