81.171.128.0/17

AS8426 · ClaraNET LTD

Need more data or want to access it via API or data downloads? Sign up to get free access

Summary

Country	United Kingdom
Domain	clara.net
ASN	AS8426
Registry	RIPE
ID	UK-CLARANET-20030515

WHOIS Details

inetnum:        81.171.128.0 - 81.171.255.255
netname:        UK-CLARANET-20030515
country:        GB
org:            ORG-CA48-RIPE
admin-c:        CH309-RIPE
tech-c:         CH309-RIPE
status:         ALLOCATED PA
notify:         hostmaster@clara.net
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS8426-MNT
mnt-lower:      AS8426-MNT
mnt-routes:     AS8426-MNT
created:        2003-05-15T11:00:36Z
last-modified:  2016-05-18T16:36:23Z
source:         RIPE
abuse-email:    abuse@clara.net
abuse-c:        CH309-RIPE
abuse-org:      ORG-CA48-RIPE

organisation:   ORG-CA48-RIPE
org-name:       Claranet Limited
country:        GB
org-type:       LIR
address:        17 SLINGSBY PLACE, THE YARDS,
address:        WC2E 9AB
address:        London
address:        UNITED KINGDOM
phone:          +442076858000
fax-no:         +442076858001
e-mail:         hostmaster@uk.clara.net
admin-c:        CH309-RIPE
abuse-c:        CH309-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        AS8426-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS8426-MNT
created:        2004-04-17T12:12:24Z
last-modified:  2025-08-29T11:20:30Z
source:         RIPE
abuse-email:    abuse@clara.net
abuse-c:        CH309-RIPE
abuse-org:      undefined

role:           Claranet Hostmaster
address:        Claranet UK Ltd
address:        110 High Holborn
address:        London WC1V 6JS
address:        United Kingdom
phone:          +44 (0) 20 7685 8000
fax-no:         +44 (0) 20 7685 8001
e-mail:         hostmaster@uk.clara.net
remarks:        Claranet UK Hostmaster
remarks:        All abuse reports to abuse@clara.net
nic-hdl:        CH309-RIPE
notify:         hostmaster@uk.clara.net
mnt-by:         AS8426-MNT
created:        2002-09-18T09:59:38Z
last-modified:  2020-09-02T19:23:56Z
source:         RIPE
abuse-mailbox:  abuse@clara.net
org:            ORG-CA48-RIPE

route:          81.171.128.0/17
descr:          Claranet UK Ltd
origin:         AS8426
mnt-by:         AS8426-MNT
created:        2014-06-10T13:21:28Z
last-modified:  2015-04-29T21:20:19Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 81.171.0.0/16

Range	ASN	Company	Num of IPs
81.171.0.0/19	AS60781	LeaseWeb Netherlands B.V.	8,192
81.171.63.0/24	AS205467	Privado.io Mexico IP Block	256
81.171.75.0/24	AS34305	Privado VPN IP Block	256
81.171.60.0/24	AS205467	Eweka Internet Services B.V.	256
81.171.83.0/24	AS34343	Eweka Internet Services B.V.	256
81.171.96.0/24	AS34343	Eweka Internet Services Colocation NL	256
81.171.67.0/24	AS34343	Eweka Internet Services B.V.	256
81.171.62.0/24	AS205467	Privado VPN IP Block	256

Hosted domains

There are 357 domain names hosted across 144 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
81.171.236.53	senselord.co.uk	31
81.171.194.116	foreignexchangeexpert.co.uk	26
81.171.234.146	grgmiddleeast.com	22
81.171.154.53	quality-education.co.uk	19
81.171.234.153	grflexsimple.co.uk	14
81.171.234.151	o2hup.co.uk	10
81.171.196.116	myeurochangegold.co.uk	8
81.171.204.81	jackpotstudpoker.com	8
81.171.182.161	anglialive.com	7
81.171.195.180	lyonsdavidson.net	6
81.171.154.246	cloudalliance.co.uk	6
81.171.233.2	peelandfowler.co.uk	6
81.171.203.87	micheldever-admin.co.uk	6
81.171.143.107	smagroup.co.uk	6
81.171.239.210	theukcloudalliance.com	6
81.171.236.28	lloydstsbwills.info	5
81.171.193.221	driveforward.uk	5
81.171.234.158	o2nextphonetest.co.uk	5
81.171.234.147	grgflex.com	5
81.171.232.65	mortgagebrainb2c.co.uk	4

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

975 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
81.171.163.76	AS8426 ClaraNET LTD	`10.85ms` from London, GB
81.171.226.41	AS8426 ClaraNET LTD	`1.76ms` from London, GB
81.171.179.1	AS8426 ClaraNET LTD	`2.68ms` from London, GB
81.171.182.25	AS8426 ClaraNET LTD	`1.44ms` from Erith, GB
81.171.174.133	AS8426 ClaraNET LTD	`1.19ms` from Erith, GB
81.171.178.108	AS8426 ClaraNET LTD	`8.08ms` from London, GB
81.171.160.53	AS8426 ClaraNET LTD	`1.39ms` from London, GB
81.171.180.17	AS8426 ClaraNET LTD	`1.99ms` from London, GB
81.171.189.137	AS8426 ClaraNET LTD	`13.02ms` from London, GB
81.171.162.213	AS8426 ClaraNET LTD	`7.74ms` from London, GB
81.171.221.212	AS8426 ClaraNET LTD	`5.51ms` from London, GB
81.171.151.85	AS8426 ClaraNET LTD	`6.99ms` from London, GB
81.171.128.22	AS8426 ClaraNET LTD	`1.81ms` from London, GB
81.171.209.125	AS8426 ClaraNET LTD	`0.97ms` from London, GB
81.171.253.228	AS8426 ClaraNET LTD	`9.86ms` from London, GB
81.171.155.1	AS8426 ClaraNET LTD	`1.22ms` from Erith, GB
81.171.236.201	AS8426 ClaraNET LTD	`1.09ms` from London, GB
81.171.194.189	AS8426 ClaraNET LTD	`1.00ms` from London, GB
81.171.157.98	AS8426 ClaraNET LTD	`4.61ms` from London, GB
81.171.238.73	AS8426 ClaraNET LTD	`0.46ms` from London, GB
81.171.134.213	AS8426 ClaraNET LTD	`0.59ms` from Erith, GB
81.171.225.25	AS8426 ClaraNET LTD	`4.34ms` from London, GB
81.171.187.138	AS8426 ClaraNET LTD	`9.95ms` from Erith, GB
81.171.214.81	AS8426 ClaraNET LTD	`2.24ms` from London, GB
81.171.231.105	AS8426 ClaraNET LTD	`1.02ms` from London, GB

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
63.251.233.145	AS32475 Internap Holding LLC	`0.62ms` from Amsterdam, NL
206.248.252.1	AS22709 North State Telephone, LLC	`3.64ms` from Ashburn, US
97.89.83.33	AS20115 Charter Communications LLC	`18.36ms` from Atlanta, US
12.215.184.1	AS7018 AT&T Enterprises, LLC	`13.33ms` from Atlanta, US
58.137.27.65	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	`1.08ms` from Bangkok, TH
111.63.94.129	AS24547 Hebei Mobile Communication Company Limited	`6.50ms` from Beijing, CN
219.158.230.65	AS4808 China Unicom Beijing Province Network	`3.06ms` from Beijing, CN
181.57.48.1	AS10620 Telmex Colombia S.A.	`18.20ms` from Bogota, CO
121.50.210.241	AS9313 Network Technology (AUST) P/L	`0.20ms` from Brisbane, AU
24.232.25.1	AS7303 Telecom Argentina S.A.	`1.13ms` from Buenos Aires, AR
202.164.150.1	AS17465 Cable ISP in India	`14.82ms` from Chennai, IN
96.36.46.129	AS20115 Charter Communications LLC	`4.81ms` from Chicago, US
140.174.197.1	AS62759 Reedsburg Utility Commission	`8.37ms` from Chicago, US
173.45.64.65	AS10297 eNET Inc.	`4.58ms` from Cincinnati, US
98.60.252.97	AS7922 Comcast Cable Communications, LLC	`11.30ms` from Denver, US
86.40.7.129	AS5466 Eircom Limited	`3.86ms` from Dublin, IE
220.200.36.1	AS4837 CHINA UNICOM China169 Backbone	`3.21ms` from Fuzhou, CN
221.5.84.17	AS17816 China Unicom IP network China169 Guangdong province	`8.69ms` from Guangzhou, CN
171.238.204.209	AS7552 Viettel Group	`4.47ms` from Hanoi, VN
149.87.145.1	AS10103 HK Broadband Network Ltd.	`0.49ms` from Hong Kong, HK
123.203.244.97	AS9269 Hong Kong Broadband Network Ltd.	`1.00ms` from Hong Kong, HK
49.74.41.193	AS4134 CHINANET-BACKBONE	`0.43ms` from Huai'an, CN
158.140.190.129	AS63859 PT. Eka Mas Republik	`1.14ms` from Jakarta, ID
176.37.74.145	AS39608 Lanet Network Ltd	`0.52ms` from Kyiv, UA
89.152.40.1	AS2860 NOS COMUNICACOES, S.A.	`0.71ms` from Lisbon, PT

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 81.171.179.1

traceroute to 81.171.179.1 (81.171.179.1): 64 hops max, 52 byte packets

1 [AS136258] 45.154.205.1 0.543 ms

2 *

3 [AS3257] 195.72.82.241 0.222 ms

4 [AS3257] 89.149.137.189 0.592 ms

5 [AS3257] 154.14.28.222 0.512 ms

6 [AS8426] 195.157.3.33 1.054 ms

7 [AS8426] 81.171.179.1 2.97 ms

Measurement taken from

IPinfo ProbeNet in London, GB

On February 7th 2026

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

Get Started for Free Contact Sales