Autonomous System details

AS51809

BRSK Limited  ·  brsk.co.uk

United Kingdom

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AS51809 – BRSK Limited

Field Value
Country United Kingdom
Website brsk.co.uk
Hosted domains 615
IPv4 addresses 29,952
IPv6 addresses 633,825,300,114,114,700,000,000,000,000
ASN type ISP
Registry ripe
Allocated 5 years ago on Jan 15, 2021
Updated 3 months ago on Jan 20, 2026

IP Ranges

Netblock Company Num of IPs
31.98.80.0/20 Wookra, LLC 4,096
88.97.176.0/20 Zen Internet Ltd 4,096
31.98.72.0/21 Wookra, LLC 2,048
45.61.104.0/21 HostRoyale LLC 2,048
63.135.72.0/21 Broadband customers 2,048
88.97.160.0/21 CGNAT customers 2,048
104.238.40.0/21 HostRoyale LLC 2,048
45.41.148.0/22 HostRoyale LLC 1,024
45.82.140.0/22 BRSK Limited 1,024
67.208.52.0/22 Broadband customers 1,024
185.138.196.0/22 Broadband customers 1,024
104.238.58.0/23 HostRoyale LLC 512
104.238.62.0/23 HostRoyale LLC 512
185.232.119.0/24 BRSK Limited 256
195.40.32.0/24 GTT - EMEA Ltd. 256
195.40.33.0/24 GTT - EMEA Ltd. 256
195.40.34.0/24 GTT - EMEA Ltd. 256
195.40.35.0/24 GTT - EMEA Ltd. 256
195.40.36.0/24 GTT - EMEA Ltd. 256
195.40.37.0/24 GTT - EMEA Ltd. 256
195.40.38.0/24 GTT - EMEA Ltd. 256
195.40.39.0/24 GTT - EMEA Ltd. 256
195.40.40.0/24 GTT - EMEA Ltd. 256
195.40.41.0/24 GTT - EMEA Ltd. 256
195.40.42.0/24 GTT - EMEA Ltd. 256
195.40.43.0/24 GTT - EMEA Ltd. 256
195.40.44.0/24 GTT - EMEA Ltd. 256
195.40.45.0/24 GTT - EMEA Ltd. 256
195.40.46.0/24 GTT - EMEA Ltd. 256
195.40.47.0/24 GTT - EMEA Ltd. 256
195.40.48.0/24 GTT - EMEA Ltd. 256
195.40.49.0/24 GTT - EMEA Ltd. 256
195.40.50.0/24 GTT - EMEA Ltd. 256
195.40.51.0/24 GTT - EMEA Ltd. 256
195.40.52.0/24 GTT - EMEA Ltd. 256
195.40.53.0/24 GTT - EMEA Ltd. 256
195.40.54.0/24 GTT - EMEA Ltd. 256
195.40.55.0/24 GTT - EMEA Ltd. 256

Netblock Company
2a10:d580::/29 BRSK Limited
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WHOIS Details

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                                                ASHandle:       AS51809
                                                OrgID:          AS51809
                                                ASName:         AS51809
                                                ASNumber:       AS51809
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 615 domain names hosted across 304 IP addresses on this ASN.

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IP Address Domain Domains on this IP
63.135.74.14 ██████████ 62
185.138.196.44 ██████████ 16
63.135.76.75 ██████████ 15
63.135.76.195 ██████████ 14
63.135.73.99 ██████████ 11
63.135.73.175 ██████████ 11
67.208.52.200 ██████████ 10
63.135.75.70 ██████████ 9
185.138.199.9 ██████████ 8
63.135.74.84 ██████████ 7

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Peers

There are 2 peers for this ASN.

Peers Name
AS212655 YouFibre Limited
AS216405 Metric Systems UK LTD
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ASN API & Database

Upstreams

There is 1 peer for this ASN.

upstreams Name
AS212655 YouFibre Limited
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ASN API & Database

Downstreams

There is 1 peer for this ASN.

Downstreams Name
AS216405 Metric Systems UK LTD
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ASN API & Database

Pingable IPs

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

IP Address ASN Details
2a10:d582:eb51:0:ce9e:a2ff:fe5e:1400 AS51809 BRSK Limited 10.46ms from Erith, GB
2a10:d582:73bb:0:4ab4:23ff:fea3:853d AS51809 BRSK Limited 14.75ms from London, GB
2a10:d585:891:0:9209:d0ff:fe0b:c1c4 AS51809 BRSK Limited 9.03ms from London, GB
2a10:d582:77d0:0:ee2b:ebff:fef8:6fb7 AS51809 BRSK Limited 9.30ms from London, GB
2a10:d582:8f55:0:f603:2aff:fe73:266c AS51809 BRSK Limited 8.44ms from London, GB
2a10:d582:df66:0:5e8b:6bff:fee7:8aa0 AS51809 BRSK Limited 10.50ms from London, GB
2a10:d585:161a:0:463d:54ff:fe22:25f6 AS51809 BRSK Limited 15.01ms from London, GB
2a10:d582:6a39:0:d6d2:d6ff:fe35:a80c AS51809 BRSK Limited 9.00ms from London, GB
2a10:d585:3ba6:0:127b:69ff:fe1f:3577 AS51809 BRSK Limited 8.19ms from London, GB
2a10:d585:3483:0:1e93:c4ff:fed1:502d AS51809 BRSK Limited 8.35ms from London, GB
2a10:d582:8ca1:0:3ee4:41ff:fe76:3050 AS51809 BRSK Limited 9.22ms from London, GB
2a10:d582:e4c0:0:c1de:4258:ae2b:799d AS51809 BRSK Limited 10.46ms from London, GB
2a10:d582:6d74:0:b290:74ff:fea8:e760 AS51809 BRSK Limited 8.86ms from London, GB
31.98.80.3 AS51809 BRSK Limited 0.65ms from London, GB
2a10:d582:8583:0:de91:bfff:fe61:96dc AS51809 BRSK Limited 8.91ms from London, GB
2a10:d582:86ad:0:80fb:f998:5ce2:10c5 AS51809 BRSK Limited 12.49ms from London, GB
2a10:d582:4589:0:160a:c5ff:fe97:bb70 AS51809 BRSK Limited 8.53ms from London, GB
2a10:d582:9a7f:0:c695:ff:fe53:1d0c AS51809 BRSK Limited 10.41ms from London, GB
2a10:d582:2a31:0:21fa:fbd8:d9e5:e3c7 AS51809 BRSK Limited 12.39ms from London, GB
2a10:d585:23f8:0:f090:79d9:1e1f:6627 AS51809 BRSK Limited 8.81ms from London, GB
2a10:d582:67e9:0:2e71:ffff:fefc:c20e AS51809 BRSK Limited 10.36ms from London, GB
2a10:d582:a1a5:0:211:32ff:fe49:cd1c AS51809 BRSK Limited 7.96ms from London, GB
2a10:d582:2c21:0:c291:b9ff:fe03:6b96 AS51809 BRSK Limited 9.35ms from London, GB
2a10:d582:c1f8:0:b2f7:c4ff:fe4a:92a9 AS51809 BRSK Limited 14.16ms from London, GB
2a10:d585:9549:2::f1b AS51809 BRSK Limited 8.03ms 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
83.82.113.1 AS33915 Vodafone Libertel B.V. 1.40ms from Amsterdam, NL
89.99.45.1 AS33915 Vodafone Libertel B.V. 1.13ms from Amsterdam, NL
51.105.166.17 AS8075 Microsoft Corporation 1.19ms from Amsterdam, NL
151.250.32.1 AS34984 Superonline Iletisim Hizmetleri A.S. 3.39ms from Ankara, TR
38.91.54.1 AS174 Cogent Communications, LLC 0.40ms from Ashburn, US
66.193.184.1 AS3549 Level 3 Parent, LLC 13.02ms from Ashburn, US
96.196.15.177 AS7922 Comcast Cable Communications, LLC 0.41ms from Ashburn, US
73.137.143.1 AS7922 Comcast Cable Communications, LLC 2.18ms from Atlanta, US
120.61.32.1 AS9829 National Internet Backbone 13.05ms from Bengaluru, IN
190.146.127.1 AS10620 Telmex Colombia S.A. 2.26ms from Bogota, CO
68.228.152.1 AS22773 Cox Communications Inc. 4.75ms from Boston, US
139.165.99.1 AS2611 BELNET 2.41ms from Brussels, BE
185.122.201.1 AS212301 Makdos Bilisim Teknolojileri Sanayi Ticaret Limited Sirketi 0.22ms from Bursa, TR
220.169.34.1 AS4134 CHINANET BACKBONE 3.06ms from Changsha, CN
212.10.26.1 AS39642 Norlys Digital A/S 5.10ms from Copenhagen, DK
181.31.16.1 AS7303 Telecom Argentina S.A. 4.44ms from Cordoba, AR
72.215.242.65 AS22773 Cox Communications Inc. 10.14ms from Dallas, US
47.162.179.1 AS5650 Frontier Communications of America, Inc. 7.71ms from Dallas, US
103.139.191.161 AS50839 Netlayer 0.16ms from Delhi, IN
116.20.172.1 AS4134 CHINANET BACKBONE 6.29ms from Guangzhou, CN
82.221.143.33 AS50613 Advania Island ehf 0.16ms from Hafnarfjoerdur, IS
115.225.103.1 AS4134 CHINANET BACKBONE 7.42ms from Hangzhou, CN
115.196.183.65 AS4134 CHINANET BACKBONE 5.93ms from Hangzhou, CN
72.234.222.1 AS36149 Hawaiian Telcom Services Company, Inc. 0.98ms from Honolulu, US
117.67.104.1 AS4134 CHINANET BACKBONE 9.45ms from Huainan, CN

Traceroute

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

$
traceroute -a -n -q1 -f2 45.41.149.193
traceroute to 45.41.149.193 (45.41.149.193): 64 hops max, 52 byte packets
2 [] 195.66.227.129 6.098 ms
3 [AS212655] 45.92.46.25 0.721 ms
4 *
5 *
6 [AS51809] 45.82.142.21 12.224 ms
7 [AS51809] 45.41.148.2 10.163 ms
Measurement taken from IPinfo ProbeNet in London, GB
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS51809 at robtex.

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