This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402617
IANA has recorded AS8401 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS8401\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 'AS8192 - AS8523'
as-block: AS8192 - AS8523
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: 2018-11-22T15:27:23Z
last-modified: 2018-11-22T15:27:23Z
source: RIPE
% Information related to 'AS8401'
% Abuse contact for 'AS8401' is 'abuse@promontoria.uk'
aut-num: AS8401
as-name: PROMONTORIA-AS
org: ORG-ISL1-RIPE
admin-c: IDES2-RIPE
tech-c: IDES2-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: Promontoria-MNT
created: 2002-09-06T17:17:37Z
last-modified: 2025-08-16T18:31:32Z
source: RIPE
organisation: ORG-ISL1-RIPE
org-name: Promontoria Ltd
country: GB
reg-nr: 03880383
org-type: LIR
address: 199 North Street
address: LS7 2AA
address: Leeds
address: UNITED KINGDOM
phone: +442030124816
admin-c: IDES2-RIPE
abuse-c: IDES2-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: Promontoria-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: Promontoria-MNT
created: 2004-04-17T12:15:58Z
last-modified: 2026-05-13T07:30:25Z
source: RIPE # Filtered
role: Network Operations Team
address: Promontoria Ltd
address: 199 North Street
address: Leeds
address: LS7 2AA
address: United Kingdom
remarks: *********************************************
remarks: Please report abuse to abuse@promontoria.uk
remarks: and not to other contacts - thank you.
remarks: *********************************************
abuse-mailbox: abuse@promontoria.uk
nic-hdl: IDES2-RIPE
mnt-by: Promontoria-MNT
created: 2013-05-10T09:13:47Z
last-modified: 2025-08-14T16:00:02Z
source: RIPE # Filtered
% This query was served by the RIPE Database Query Service version 1.122.1 (SHETLAND)