IP-FD.net
Sign in
  1. Home
  2. United Kingdom
  3. AS205544

AS205544 Leaseweb UK Limited

United Kingdom LEASEWEB-UK-LON-11 RIPE 65 IPv4 prefixes 32 IPv6 prefixes
IPv4 addresses
46,592
IPv6 /48 networks
12,058,626
RPKI
96 valid1 invalid0 no ROA
Peers and downstreams
0

Holder

AS name
LEASEWEB-UK-LON-11
Description
Leaseweb UK Limited
Organisation
Leaseweb UK Limited
Registered in
London, United Kingdom
Abuse contact
abuse@uk.leaseweb.com
Assigned
2017-07-25
Registered
2017-07-26
Record last changed
2018-09-04 12:03 UTC
173.208.48.0/21173.234.136.0/21173.234.16.0/21173.234.16.0/24173.234.17.0/24173.234.18.0/23173.234.18.0/24173.234.19.0/24173.234.20.0/23173.234.22.0/23173.234.72.0/21176.113.64.0/22185.222.24.0/22185.222.24.0/24185.236.92.0/22185.245.124.0/22185.70.240.0/24185.70.241.0/24185.70.242.0/23193.160.76.0/22194.56.232.0/24212.135.128.0/24212.24.127.0/2423.106.232.0/2123.106.32.0/2123.106.56.0/2123.19.52.0/2423.19.53.0/2423.19.56.0/2123.19.56.0/2423.19.59.0/2423.19.62.0/2423.81.32.0/2131.58.18.0/2431.58.22.0/2431.58.28.0/2431.58.32.0/2431.59.15.0/2431.59.20.0/2431.59.21.0/2431.59.27.0/2431.59.28.0/2431.59.33.0/2437.44.216.0/2238.246.186.0/2338.253.124.0/2345.153.20.0/2481.17.56.0/2181.17.56.0/2281.17.60.0/2481.17.61.0/2481.17.62.0/2481.17.63.0/2482.113.64.0/1982.38.198.0/2482.41.197.0/2492.249.32.0/2295.168.176.0/2095.168.176.0/2195.168.184.0/2495.168.185.0/2495.168.186.0/2395.168.186.0/2495.168.187.0/2495.168.188.0/22

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6057 Administracion Nacional de Telecomunicaciones AS6057 · UY Administracion Nacion… AS3356 Level 3 Parent, LLC AS3356 · US Level 3 Parent, LLC AS39351 31173 Services AB AS39351 · SE 31173 Services AB AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS35280 F5 Networks SARL AS35280 · FR F5 Networks SARL AS25091 IP-Max SA AS25091 · CH IP-Max SA AS36236 NetActuate, Inc AS36236 · US NetActuate, Inc AS24482 SG.GS AS24482 · SG SG.GS AS174 AS174 AS174 AS174 AS1299 Arelion Sweden AB AS1299 · SE Arelion Sweden AB AS3257 GTT Communications Inc. AS3257 · US GTT Communications In… AS16265 LeaseWeb Network B.V. AS16265 · NL LeaseWeb Network B.V. AS6453 TATA COMMUNICATIONS (AMERICA) INC AS6453 · US TATA COMMUNICATIONS (… AS205544 Leaseweb UK Limited AS205544 · GB Leaseweb UK Limited

Network health

Grade B · 75/100
partly Prefixes covered by valid ROAs
96 of 97 announced prefixes are RPKI valid.		 25/25
fail No RPKI invalid announcements
1 announced prefix is RPKI invalid and dropped by networks that validate.		 0/10
pass Announces IPv6
32 IPv6 prefixes.		 15/15
pass More than one upstream
5 upstreams seen in BGP.		 10/10
pass Working abuse contact
abuse@uk.leaseweb.com is published.		 15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.		 0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
fail Registry record maintained
Last changed 2018-09-04.		 0/5
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
Show this on your website
AS205544 health AS205544 RPKI
HTML
<a href="https://ip-fd.net/asn/205544"><img src="https://ip-fd.net/badge/asn/205544/health.svg" alt="AS205544 network health on IP-FD.net"></a>
Markdown
[![AS205544 network health](https://ip-fd.net/badge/asn/205544/health.svg)](https://ip-fd.net/asn/205544)
Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days
2026-10-04 11:06 UTCPrefix gone 2a04:88c4::/30
2026-10-04 11:06 UTCPrefix gone 103.173.197.0/24
2026-10-04 11:06 UTCNew prefix 185.70.242.0/23
2026-10-04 11:06 UTCNew prefix 185.70.241.0/24
2026-10-04 11:06 UTCNew prefix 2a04:88c6::/32
2026-10-04 11:06 UTCNew prefix 2a04:88c4::/32

WHOIS

aut-num:        AS205544
as-name:        LEASEWEB-UK-LON-11
org:            ORG-LUL9-RIPE
remarks:        -------- LeaseWeb Peering Network
remarks:        -------- TRANSIT
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
% 20 routing policy lines (import/export) not shown