8401 MAILBOX Mailbox Internet UK Network
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS6453 GLOBEINTERNET VSNL International
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 1512 AS8401 ORIGIN Originate: 110592 /15.25 Transit: 0 /0.00 MAILBOX Mailbox Internet UK Network
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 4607 AS8401 MAILBOX Mailbox Internet UK Network 10 2 1 9 1 10.00% Prefix AS Path Aggregation Suggestion 83.151.192.0/18 4637 6453 8401 8401 8401 8401 86.111.160.0/19 4637 6453 8401 8401 8401 8401 88.202.128.0/17 4637 6453 8401 8401 8401 8401 88.212.128.0/18 4637 6453 8401 8401 8401 8401 195.82.96.0/19 4637 6453 8401 8401 8401 8401 212.18.224.0/19 4637 6453 8401 8401 8401 8401 212.85.224.0/19 4637 6453 8401 8401 8401 8401 212.90.32.0/20 4637 6453 8401 8401 8401 8401 213.55.0.0/19 4637 6453 8401 8401 8401 8401 + Announce - aggregate of 213.55.0.0/20 (4637 6453 8401 8401 8401 8401) and 213.55.16.0/20 (4637 6453 8401 8401 8401 8401) 213.55.0.0/20 4637 6453 8401 8401 8401 8401 - Withdrawn - aggregated with 213.55.16.0/20 (4637 6453 8401 8401 8401 8401) 213.55.16.0/20 4637 6453 8401 8401 8401 8401 - Withdrawn - aggregated with 213.55.0.0/20 (4637 6453 8401 8401 8401 8401)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS8401 3 More Specifics 10 Total Advertisements MAILBOX Mailbox Internet UK Network
212.90.32.0/20 212.90.32.0/19
213.55.0.0/20 213.55.0.0/18
213.55.16.0/20 213.55.0.0/18
whois: 402603
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 (BUSA)