41230 ASK4 - ASK4 Limited, GB
Adjacency: 6 Upstream: 4 Downstream: 2
Upstream Adjacent AS list
AS4637 ASN-TELSTRA-GLOBAL - Telstra Global, HK
AS6461 ZAYO-6461 - Zayo Bandwidth, US
AS2914 NTT-DATA-2914 - NTT America, Inc., US
AS1299 TWELVE99 - Arelion Sweden AB, SE
Downstream Adjacent AS list
AS206049 COMMUNICATE - Communicate Technology LTD, GB
AS30933 PROTEXIA-EU - KDA WEB SERVICES LTD, GB
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 2067 AS41230 ORG+TRN Originate: 122112 /15.10 Transit: 3328 /20.30 ASK4 - ASK4 Limited, GB
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 % 12709 AS41230 ASK4 - ASK4 Limited, GB 16 3 0 13 3 18.75% Prefix AS Path Aggregation Suggestion 31.205.0.0/16 4608 7575 2914 41230 31.205.64.0/18 4608 7575 6461 41230 41230 31.205.192.0/18 4608 7575 6461 41230 45.81.120.0/22 4608 7575 2914 41230 45.154.248.0/22 4608 7575 2914 41230 78.109.176.0/20 4608 7575 2914 41230 81.23.48.0/20 4608 7575 2914 41230 176.119.145.0/24 4608 7575 2914 41230 185.134.128.0/22 4608 7575 2914 41230 185.134.136.0/22 4608 7575 2914 41230 185.134.136.0/23 4608 7575 2914 41230 - Withdrawn - matching aggregate 185.134.136.0/22 4608 7575 2914 41230 185.134.138.0/24 4608 7575 2914 41230 - Withdrawn - matching aggregate 185.134.136.0/22 4608 7575 2914 41230 185.134.139.0/24 4608 7575 2914 41230 - Withdrawn - matching aggregate 185.134.136.0/22 4608 7575 2914 41230 185.134.144.0/22 4608 7575 2914 41230 185.198.228.0/22 4608 7575 2914 41230 213.143.0.0/19 4608 7575 2914 41230
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS41230 2 More Specifics 16 Total Advertisements ASK4 - ASK4 Limited, GB
31.205.64.0/18 31.205.0.0/16
31.205.192.0/18 31.205.0.0/16
whois: 402551
IANA has recorded AS41230 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS41230\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 'AS40960 - AS42171'
as-block: AS40960 - AS42171
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: 2024-07-22T14:14:32Z
last-modified: 2024-07-22T14:14:32Z
source: RIPE
% Information related to 'AS41230'
% Abuse contact for 'AS41230' is 'abuse@ask4.com'
aut-num: AS41230
as-name: ASK4
org: ORG-AL47-RIPE
remarks: ===========================================================
remarks: ASK4's Peering Policy can be found at
remarks: https://www.ask4.com/peering
remarks: ===========================================================
import: from AS-ANY accept ANY
export: to AS-ANY announce AS-ASK4
mp-import: afi ipv6.unicast from AS-ANY accept ANY
mp-export: afi ipv6.unicast to AS-ANY announce AS-ASK4
admin-c: ASKF-RIPE
tech-c: ASKF-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MNT-ASK4
created: 2006-07-05T11:20:30Z
last-modified: 2024-03-07T11:53:58Z
source: RIPE # Filtered
organisation: ORG-AL47-RIPE
org-name: ASK4 Limited
country: GB
reg-nr: 03980594
org-type: LIR
address: Devonshire Green House
14 Fitzwilliam Street
address: S1 4JL
address: SHEFFIELD
address: UNITED KINGDOM
phone: +441143033200
admin-c: ASKF-RIPE
abuse-c: ASKF2-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: MNT-ASK4
mnt-by: RIPE-NCC-HM-MNT
mnt-by: MNT-ASK4
created: 2006-01-19T06:11:23Z
last-modified: 2026-05-13T07:29:56Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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% Access from your host has been temporarily denied.
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% This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)