This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402603
IANA has recorded AS51140 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS51140\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 'AS51140'
% Abuse contact for 'AS51140' is 'narobaidi@you.com.ye'
aut-num: AS51140
as-name: MTN-YEMEN
org: ORG-MYC1-RIPE
import: from AS12486 accept ANY
export: to AS12486 announce AS51140
import: from AS30873 accept ANY
export: to AS30873 announce AS51140
admin-c: MY1499-RIPE
tech-c: MY1499-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: mtnyemen
created: 2021-12-27T07:15:50Z
last-modified: 2021-12-27T07:15:50Z
source: RIPE
organisation: ORG-MYC1-RIPE
org-name: Yemen Oman United Telecom CJSC
country: YE
reg-nr: 336
org-type: LIR
address: YOU Building (Kuwaiti Building 7)
address: Haddah
address: Sana'a
address: YEMEN
phone: +967 737 111 112
abuse-c: AC28919-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: YOUtelecom-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: YOUtelecom-MNT
created: 2014-11-03T12:30:13Z
last-modified: 2026-05-13T07:28:49Z
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)