202154 BREVANHOWARD, GB
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS8220 COLT COLT Technology Services Group Limited, GB
AS174 COGENT-174 - Cogent Communications, LLC, US
AS18106 VIEWQWEST-SG-AP Viewqwest Pte Ltd, SG
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 46367 AS202154 ORIGIN Originate: 768 /22.42 Transit: 0 /0.00 BREVANHOWARD, 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 % 61346 AS202154 BREVANHOWARD, GB 3 0 0 3 0 0.00% Prefix AS Path Aggregation Suggestion 193.203.248.0/24 4777 2497 174 202154 193.203.249.0/24 4777 2516 174 202154 193.203.250.0/24 4777 6939 18106 202154
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS202154 3 More Specifics 3 Total Advertisements BREVANHOWARD, GB
193.203.248.0/24 193.203.248.0/22
193.203.249.0/24 193.203.248.0/22
193.203.250.0/24 193.203.248.0/22
whois: 402332
IANA has recorded AS202154 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS202154\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 'AS200537 - AS203022'
as-block: AS200537 - AS203022
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: 2026-04-08T13:28:00Z
last-modified: 2026-04-08T13:28:00Z
source: RIPE
% Information related to 'AS202154'
% Abuse contact for 'AS202154' is 'andrew.richmond@brevanhoward.com'
aut-num: AS202154
as-name: brevanhoward
org: ORG-BHAM3-RIPE
import: from AS174 accept ANY
export: to AS174 announce AS202154
import: from AS8220 accept ANY
export: to AS8220 announce AS202154
admin-c: HON29-RIPE
tech-c: HON29-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: lir-uk-brevanhoward-1-MNT
created: 2023-06-12T10:10:42Z
last-modified: 2023-06-12T10:10:42Z
source: RIPE
organisation: ORG-BHAM3-RIPE
org-name: Brevan Howard Asset Management LLP
country: GB
org-type: LIR
address: 4th Floor, Phoenix House, 1 Station Hill
address: RG1 1NB
address: Reading
address: UNITED KINGDOM
phone: +442070222599
admin-c: HON29-RIPE
tech-c: HON29-RIPE
abuse-c: AR70161-RIPE
mnt-ref: lir-uk-brevanhoward-1-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: lir-uk-brevanhoward-1-MNT
created: 2023-04-11T08:22:21Z
last-modified: 2023-08-01T06:33:42Z
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 1.121.2 (SHETLAND)