ASN Lookup Tool

ISUMO Ltd isumo.com GB GB 3 Routes

AS Data

AS198623

AS198623ISUMO Ltd

AS Number 198623
AS Name ISUMO-UK
Organization ISUMO Ltd(org-il246-ripe)
Country GB
Website isumo.com
Number of IPv4 Routes 3
Number of IPv6 Routes 0
ASN type BUSINESS
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2012-03-27

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IP Ranges

Route # IPs
37.123.248.0/21 2048
37.77.192.0/21 2048
193.104.81.0/24 256

Raw Whois Response

% 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.
%       To receive output for a database update, use the "-B" flag.

% 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:        <Transit>
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:        </Transit>
remarks:        ----------------------------------------
remarks:        <Peers>
remarks:        </Peers>
remarks:        ----------------------------------------
remarks:        <Customers>
mp-import:      from AS198623:AS-CUSTOMERS accept AS198623:RS-ROUTES:PeerAS
mp-export:      to AS198623:AS-CUSTOMERS announce ANY
remarks:        </Customers>
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

person:         John Keyser
address:        9 Devonshire Square
address:        London
address:        EC2M 4YF
phone:          +448455198828
nic-hdl:        JK7138-RIPE
mnt-by:         ISUMO-MNT
created:        2012-01-10T11:21:56Z
last-modified:  2019-04-30T09:45:17Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.1 (ABERDEEN)

Parsed Whois Response

Peers

AS Number Description Country
AS3549 Level 3 Communications, Inc. (GBLX) US
AS3356 Level 3 Parent, LLC US
AS174 Cogent Communications, LLC US

Upstreams

AS Number Description Country
AS3356 Level 3 Parent, LLC US
AS174 Cogent Communications, LLC US

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Frequently Asked Questions

ASN AS198623 is an Autonomous System Number used to identify a network for BGP internet routing.
AS198623 is listed under ISUMO Ltd.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.