198623 ISUMO-UK, GB
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS174 COGENT-174 - Cogent Communications, LLC, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 16596 AS198623 ORIGIN Originate: 4352 /19.91 Transit: 0 /0.00 ISUMO-UK, 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 % 60057 AS198623 ISUMO-UK, GB 3 0 0 3 0 0.00% Prefix AS Path Aggregation Suggestion 37.77.192.0/21 4777 2497 174 198623 37.123.248.0/21 4777 2497 174 198623 193.104.81.0/24 4777 2497 174 198623
whois: 402332
IANA has recorded AS198623 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS198623\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 'AS198305 - AS199072'
as-block: AS198305 - AS199072
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: 2026-02-18T10:24:00Z
last-modified: 2026-02-18T10:24:00Z
source: RIPE
% Information related to 'AS198623'
% Abuse contact for 'AS198623' is 'abuse@isumo.com'
aut-num: AS198623
as-name: ISUMO-UK
org: ORG-iL246-RIPE
remarks: ----------------------------------------
remarks:
mp-import: from AS174 accept ANY
mp-import: from AS3356 accept ANY
mp-export: to AS174 announce AS198623 AS198623:AS-CUSTOMERS
mp-export: to AS3356 announce AS198623 AS198623:AS-CUSTOMERS
remarks:
remarks: ----------------------------------------
remarks:
remarks:
remarks: ----------------------------------------
remarks:
mp-import: from AS198623:AS-CUSTOMERS accept AS198623:RS-ROUTES:PeerAS
mp-export: to AS198623:AS-CUSTOMERS announce ANY
remarks:
remarks: ----------------------------------------
admin-c: JK7138-RIPE
tech-c: JK7138-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: ISUMO-MNT
created: 2012-03-27T11:11:40Z
last-modified: 2018-09-04T11:10:33Z
source: RIPE
organisation: ORG-iL246-RIPE
org-name: ISUMO Ltd
country: GB
org-type: LIR
address: 20-22 Wenlock Road
address: London
address: N1 7GU
address: UNITED KINGDOM
phone: +4402078711476
fax-no: +448454506785
abuse-c: AR17735-RIPE
mnt-ref: ISUMO-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: ISUMO-MNT
created: 2011-11-25T13:05:56Z
last-modified: 2020-12-16T13:09:30Z
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.
% 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 1.121.2 (ABERDEEN)