ASN Lookup Tool

Leaseweb UK Limited uk.leaseweb.com GB GB 89 Routes

AS Data

AS205544

AS205544Leaseweb UK Limited

AS Number 205544
AS Name LEASEWEB-UK-LON-11
Organization Leaseweb UK Limited(org-lul9-ripe)
Country GB
Website uk.leaseweb.com
Number of IPv4 Routes 57
Number of IPv6 Routes 32
ASN type HOSTING
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2017-07-26

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Use ASN data for AS205544 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
176.113.64.0/22 1024
173.234.72.0/21 2048
173.234.136.0/21 2048
2a0f:2e40::/29 ~634×10²⁷
2a0f:2a40::/29 ~634×10²⁷
2a0f:1540::/29 ~634×10²⁷
23.106.232.0/21 2048
2a0f:2dc0::/29 ~634×10²⁷
185.236.92.0/22 1024
2a0f:1940::/29 ~634×10²⁷

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 'AS203940 - AS205662'

as-block:       AS203940 - AS205662
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:        2026-03-05T15:29:31Z
last-modified:  2026-03-05T15:29:31Z
source:         RIPE

% Information related to 'AS205544'

% Abuse contact for 'AS205544' is 'abuse@uk.leaseweb.com'

aut-num:        AS205544
as-name:        LEASEWEB-UK-LON-11
org:            ORG-LUL9-RIPE
remarks:        -------- LeaseWeb Peering Network
mp-import:      from AS162655 accept ANY
mp-export:      to AS16265 announce AS205544
import:         from AS16265 accept ANY
export:         to AS16265 announce AS205544
remarks:        -------- TRANSIT
mp-import:      from AS1299 accept ANY
mp-export:      to AS1299 announce AS205544
import:         from AS1299 accept ANY
export:         to AS1299 announce AS205544
mp-import:      from AS174 accept ANY
mp-export:      to AS174 announce AS205544
import:         from AS174 accept ANY
export:         to AS174 announce AS205544
mp-import:      from AS6453 accept ANY
mp-export:      to AS6453 announce AS205544
import:         from AS6453 accept ANY
export:         to AS6453 announce AS205544
mp-import:      from AS3257 accept ANY
mp-export:      to AS3257 announce AS205544
import:         from AS3257 accept ANY
export:         to AS3257 announce AS205544
admin-c:        LUN2-RIPE
tech-c:         LUN2-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         leaseweb-uk-mnt
created:        2017-07-26T13:57:15Z
last-modified:  2018-09-04T12:03:41Z
source:         RIPE

organisation:   ORG-LUL9-RIPE
org-name:       Leaseweb UK Limited
country:        GB
org-type:       LIR
address:        2 Eastbourne Terrace
address:        W2 6LG
address:        London
address:        UNITED KINGDOM
phone:          +31 20 3165168
phone:          +316 52 86 9594
admin-c:        LUN2-RIPE
tech-c:         LUN2-RIPE
abuse-c:        AR43136-RIPE
mnt-ref:        leaseweb-uk-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         leaseweb-uk-mnt
created:        2017-09-20T07:35:08Z
last-modified:  2024-07-11T11:40:08Z
source:         RIPE # Filtered

role:           Leaseweb UK NOC
address:        35 Great St Helens EC3A 6AP London, UK
nic-hdl:        LUN2-RIPE
mnt-by:         leaseweb-uk-mnt
created:        2017-09-21T17:32:46Z
last-modified:  2017-09-21T17:32:46Z
source:         RIPE # Filtered

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

Parsed Whois Response

Peers

AS Number Description Country
AS6453 TATA COMMUNICATIONS AMERICA INC US
AS1299 Arelion Sweden AB SE
AS162655
AS3257 GTT Communications Inc. US
AS174 Cogent Communications, LLC US
AS6453 TATA COMMUNICATIONS (AMERICA) INC US
AS16265 LeaseWeb Network B.V. NL

Upstreams

AS Number Description Country
AS6453 TATA COMMUNICATIONS AMERICA INC US
AS1299 Arelion Sweden AB SE
AS3257 GTT Communications Inc. US
AS174 Cogent Communications, LLC US
AS16265 LeaseWeb Network B.V. NL

Legacy Routes

2607:f5b5:2::/48 23.19.52.0/24 2607:f5b5:3::/48 23.19.53.0/24

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Frequently Asked Questions

ASN AS205544 is an Autonomous System Number used to identify a network for BGP internet routing.
AS205544 is listed under Leaseweb UK Limited.
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.