ResearchRouting table, RPKI, IRR & looking glass

AS42831 UK Dedicated Servers Limited

AS42831 (UKSERVERS-AS) is registered to UK Dedicated Servers Limited in GB, through RIPE. It originates 258 prefixes in the global routing table.

251
IPv4 prefixes
7
IPv6 prefixes
107,264
IPv4 addresses
96%
RPKI valid

Who holds AS42831

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS42831
Handle
UKSERVERS-AS
Organization
UK Dedicated Servers Limited
Country
GB
Registry
RIPE
ASPA
None published
WHOIS recordRIPE
% 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 'AS42383 - AS42953'

as-block:       AS42383 - AS42953
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:        2026-06-23T05:12:23Z
last-modified:  2026-06-23T05:12:23Z
source:         RIPE

% Information related to 'AS42831'

% Abuse contact for 'AS42831' is 'abuse@ukservers.com'

aut-num:        AS42831
as-name:        UKSERVERS-AS
descr:          UK Dedicated Servers, Hosting and Co-Location
descr:          IP Transit and Rackspace Solutions
org:            ORG-UDSL2-RIPE
remarks:
remarks:        +-------------------------------------+
remarks:        |          UPSTREAM TRANSIT           |
remarks:        +-------------------------------------+
remarks:
remarks:        - NTT (AS2914)
remarks:        - GTT (AS3257)
remarks:        - Lumen / Level3 / Colt (AS3356)
remarks:
import:         from AS2914 accept ANY
export:         to AS2914 announce AS-UKSERVERS
remarks:
import:         from AS3257 accept ANY
export:         to AS3257 announce AS-UKSERVERS
remarks:
import:         from AS3356 accept ANY
export:         to AS3356 announce AS-UKSERVERS
remarks:
remarks:        --------------------------------------------------------------
remarks:
remarks:        +-------------------------------------+
remarks:        |           PUBLIC PEERING            |
remarks:        +-------------------------------------+
remarks:
remarks:        - LINX (London)
remarks:        v4: 195.66.225.162
remarks:        v6: 2001:7f8:4::a74f:1
remarks:        - LONAP (London)
remarks:        v4: 5.57.81.166
remarks:        v6: 2001:7f8:17::a74f:1
remarks:        - LINX Manchester
remarks:        v4: 195.66.244.142
remarks:        v6: 2001:7f8:4:2::a74f:1
remarks:
remarks:        - Route servers used where appropriate; bilaterals welcome.
remarks:        --------------------------------------------------------------
remarks:
remarks:        +-------------------------------------+
remarks:        |       PRIVATE PEERING (PREF)        |
remarks:        +-------------------------------------+
remarks:
remarks:        Preferred where >2500 Mbps is exchanged at the following locations:
remarks:        - UK Servers Coventry (Continuity House) [COV]
remarks:        - Telehouse North 2 [THN2]
remarks:        - Telehouse West [THW]
remarks:        - Telehouse East [THE]
remarks:        - Equinix Manchester MA1 [MA1]
remarks:
remarks:        --------------------------------------------------------------
remarks:
remarks:        +-------------------------------------+
remarks:        |         DOWNSTREAM CUSTOMERS        |
remarks:        +-------------------------------------+
remarks:
import:         from AS47625 accept AS47625
export:         to AS47625 announce ANY
remarks:
remarks:        --------------------------------------------------------------
remarks:
status:         ASSIGNED
admin-c:        DH1778-RIPE
tech-c:         DH1778-RIPE
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         UKSERVERS-MNT
created:        2007-04-24T12:12:21Z
last-modified:  2025-11-08T09:02:31Z
source:         RIPE

organisation:   ORG-UDSL2-RIPE
org-name:       UK Dedicated Servers Limited
country:        GB
reg-nr:         05291070
org-type:       LIR
address:        Continuity House, 205 Torrington Avenue
address:        CV4 9UT
address:        COVENTRY
address:        UNITED KINGDOM
phone:          +448006101620
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        UKSERVERS-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         UKSERVERS-MNT
abuse-c:        UAM9-RIPE
created:        2007-04-19T15:29:32Z
last-modified:  2026-05-13T07:18:18Z
source:         RIPE # Filtered
admin-c:        DH1778-RIPE

person:         David Howes
address: 

What AS42831 announces

Prefixes originated by AS42831 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
251
IPv6 prefixes
7
IPv4 addresses
107,264 (419 /24s)
RPKI valid
249 96%
RPKI invalid
0
RPKI not found
9
ROAs naming AS42831
361
With an IRR route object
255 98%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (251)
2.26.36.0/222.26.44.0/222.58.86.0/245.56.31.0/245.83.215.0/245.101.136.0/215.101.144.0/215.101.168.0/2123.27.110.0/2423.27.183.0/2423.27.187.0/2431.22.108.0/2431.56.67.0/2431.56.156.0/2431.57.113.0/2431.57.153.0/2431.57.186.0/2431.57.236.0/2431.58.43.0/2431.58.128.0/2431.58.164.0/2431.59.88.0/2431.59.123.0/2431.132.0.0/2137.9.56.0/2137.143.61.0/2437.202.193.0/2437.202.213.0/2445.142.236.0/2445.150.4.0/2446.37.118.0/2446.182.22.0/2446.203.93.0/2446.203.105.0/2446.233.38.0/2446.236.215.0/2450.114.244.0/2250.114.252.0/2251.194.134.0/2451.194.136.0/2451.194.138.0/2451.241.184.0/2377.74.192.0/2177.75.120.0/2177.75.198.0/2477.83.105.0/2477.83.254.0/2477.111.104.0/2478.110.160.0/2178.110.169.0/2478.110.170.0/2478.110.172.0/2278.157.192.0/2178.157.200.0/2478.157.201.0/2478.157.203.0/2478.157.206.0/2378.157.208.0/2079.172.254.0/2481.92.192.0/2281.92.217.0/2481.92.218.0/2482.21.128.0/2482.21.131.0/2482.24.24.0/2482.24.33.0/2482.24.81.0/2482.24.126.0/2482.25.41.0/2482.25.59.0/2482.25.143.0/2482.25.205.0/2482.26.169.0/2482.38.5.0/2482.38.6.0/2482.38.18.0/2482.38.29.0/2482.38.30.0/2482.38.48.0/2482.38.49.0/2482.38.50.0/2482.38.51.0/2482.39.115.0/2482.39.132.0/2482.41.4.0/2482.41.16.0/2482.41.17.0/2482.41.18.0/2482.41.43.0/2482.41.59.0/2482.41.118.0/2482.41.121.0/2482.41.141.0/2482.41.144.0/2482.41.145.0/2482.41.147.0/2482.41.196.0/2482.41.201.0/2482.41.203.0/2483.136.212.0/2485.209.229.0/2485.237.68.0/2485.239.150.0/2486.110.48.0/2486.110.50.0/2486.110.54.0/2486.110.55.0/2486.110.59.0/2487.229.10.0/2488.209.204.0/2491.109.112.0/2191.199.172.0/2492.62.248.0/2492.113.91.0/2493.88.159.0/2494.46.184.0/2294.46.192.0/2294.46.207.0/2494.46.220.0/2294.46.244.0/24
Show 131 more
94.46.245.0/2494.46.247.0/2494.136.168.0/2294.229.64.0/2094.232.254.0/2495.85.196.0/2295.85.208.0/2296.62.220.0/24109.176.165.0/24109.234.210.0/24136.0.87.0/24136.0.112.0/24136.0.192.0/24136.0.208.0/24136.0.216.0/24136.0.219.0/24136.0.230.0/24136.0.240.0/24140.233.165.0/24141.11.61.0/24141.11.214.0/24141.11.215.0/24141.98.42.0/24141.138.224.0/24143.14.80.0/24143.14.93.0/24143.14.114.0/24143.14.136.0/24143.14.241.0/24143.20.15.0/24143.20.46.0/24143.20.67.0/24143.20.119.0/24143.20.123.0/24143.20.181.0/24143.20.183.0/24143.20.193.0/24148.135.174.0/24150.241.132.0/24150.241.133.0/24150.241.134.0/24150.241.137.0/24150.241.144.0/24150.241.238.0/24151.242.40.0/24151.242.99.0/24151.243.175.0/24151.244.164.0/24151.244.249.0/24151.245.44.0/24154.16.7.0/24155.117.110.0/24155.117.115.0/24155.117.196.0/24155.117.227.0/24155.117.244.0/24155.117.254.0/24162.141.11.0/24162.141.88.0/24162.141.104.0/24163.5.86.0/24163.5.111.0/24163.5.142.0/24163.5.155.0/24163.5.156.0/24163.5.170.0/24163.5.177.0/24163.5.219.0/24163.5.230.0/24163.5.242.0/24166.0.80.0/22166.88.202.0/24167.148.144.0/24167.148.152.0/24167.148.157.0/24167.148.192.0/24167.148.202.0/24167.148.205.0/24167.148.211.0/24168.222.7.0/24168.222.108.0/24168.222.109.0/24168.222.110.0/24169.40.105.0/24169.40.106.0/24169.40.109.0/24169.40.127.0/24169.40.134.0/24176.125.248.0/24178.159.0.0/20178.219.6.0/24178.248.76.0/24178.254.180.0/24185.17.24.0/24185.17.26.0/24185.17.27.0/24185.54.84.0/22185.72.150.0/24185.75.20.0/23185.99.20.0/24185.99.252.0/24185.99.253.0/24185.99.254.0/24185.103.96.0/22185.109.168.0/22185.114.158.0/24185.222.29.0/24185.240.122.0/24185.243.155.0/24185.251.231.0/24188.255.212.0/24192.31.26.0/24192.35.198.0/24192.228.114.0/24193.200.158.0/24193.223.79.0/24194.32.164.0/24194.169.80.0/24194.169.81.0/24195.216.183.0/24196.17.114.0/23196.18.158.0/23202.155.159.0/24212.87.201.0/24212.100.168.0/24213.157.120.0/24213.218.213.0/24213.220.51.0/24213.220.54.0/24213.220.58.0/24217.25.11.0/24
IPv6 (7)

RPKI valid   RPKI invalid   no ROA covers it

Who AS42831 is reached through

The AS just before AS42831 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS42831 publishes no ASPA of its own. 6 ASes name it as a provider in theirs. Check a path.

The 6 ASes that name AS42831 as a provider

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RIPEUKSERVERS-ASRIPE-NCC-END-MNT, UKSERVERS-MNT

Route objects with origin AS42831: RIPE 326 · RADB 210 · ARIN 24 · ALTDB 12 · AFRINIC 6 · NTTCOM 4 · APNIC 1

as-sets that list AS42831 (14)