51.187.0.0/18

AS5607 · Sky UK Limited

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Summary

Country	Ireland
Domain	sky.uk
ASN	AS5607
Parent Range	51.186.0.0/15
Registry	RIPE
ID	SKY-BROADBAND

WHOIS Details

inetnum:        51.186.0.0 - 51.187.255.255
netname:        SKY-BROADBAND
descr:          SKY UK Limited
country:        IE
org:            ORG-EL37-RIPE
admin-c:        BBH-RIPE
tech-c:         BBH-RIPE
status:         LEGACY
notify:         hostmaster@sky.uk
geofeed:        https://geofeed.net.sky/geofeed.csv
mnt-by:         RIPE-NCC-LEGACY-MNT
mnt-by:         BSKYB-BROADBAND-MNT
created:        2016-10-27T16:28:16Z
last-modified:  2025-03-12T09:50:20Z
source:         RIPE
abuse-email:    abuse@sky.uk
abuse-c:        BBH-RIPE
abuse-org:      ORG-EL37-RIPE

organisation:   ORG-EL37-RIPE
org-name:       Sky UK Limited
country:        GB
org-type:       LIR
address:        1 Brick Lane
address:        E1 6PU
address:        London
address:        UNITED KINGDOM
phone:          +44 333 100 0333
fax-no:         +442070327822
e-mail:         hostmaster@sky.uk
admin-c:        BBH-RIPE
abuse-c:        BBH-RIPE
tech-c:         BBH-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        BSKYB-BROADBAND-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         BSKYB-BROADBAND-MNT
created:        2006-05-30T09:52:05Z
notify:         ripe-update@sky.uk
last-modified:  2023-11-08T15:12:52Z
source:         RIPE
abuse-email:    abuse@sky.uk
abuse-c:        BBH-RIPE
abuse-org:      undefined

role:           Sky UK Broadband Hostmaster
address:        Sky Network Services
address:        1 Brick Lane
address:        London
address:        E1 6PU
address:        UK
phone:          +44 20 7032 7000
fax-no:         +44 20 7900 7812
e-mail:         hostmaster@sky.uk
admin-c:        DET10-RIPE
admin-c:        BL7977-RIPE
tech-c:         SACH1-RIPE
tech-c:         WILL9-RIPE
tech-c:         DET10-RIPE
nic-hdl:        BBH-RIPE
abuse-mailbox:  abuse@sky.uk
notify:         hostmaster@sky.uk
notify:         ripe-update@sky.uk
mnt-by:         BSKYB-BROADBAND-MNT
created:        2006-07-07T09:21:33Z
last-modified:  2024-09-05T10:14:22Z
source:         RIPE

route:          51.186.0.0/15
descr:          Sky Broadband
origin:         AS5607
mnt-by:         BSKYB-BROADBAND-MNT
notify:         ripe-update@sky.uk
created:        2021-04-22T08:44:08Z
last-modified:  2021-04-22T08:44:08Z
source:         RIPE

Overlapping Ranges

BGP prefixes that contain 51.187.0.0/18

Range	ASN	Company	Num of IPs
51.186.0.0/15	AS5607	SKY UK Limited	131,072

Nearby Ranges

BGP prefixes that overlap with 51.187.0.0/16

Range	ASN	Company	Num of IPs
51.186.0.0/15	AS5607	SKY UK Limited	131,072

Hosted domains

There are 4 domain names hosted across 4 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
51.187.21.51	file9.ai	1
51.187.35.71	efim.io	1
51.187.14.200	cordio.com.br	1

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

16,169 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
51.187.53.219	AS5607 Sky UK Limited	`1.59ms` from Dublin, IE
51.187.50.30	AS5607 Sky UK Limited	`1.53ms` from Dublin, IE
51.187.29.101	AS5607 Sky UK Limited	`1.81ms` from Dublin, IE
51.187.12.199	AS5607 Sky UK Limited	`1.29ms` from Dublin, IE
51.187.51.251	AS5607 Sky UK Limited	`1.26ms` from Dublin, IE
51.187.15.164	AS5607 Sky UK Limited	`1.31ms` from Dublin, IE
51.187.14.149	AS5607 Sky UK Limited	`1.33ms` from Dublin, IE
51.187.61.47	AS5607 Sky UK Limited	`1.04ms` from Dublin, IE
51.187.26.55	AS5607 Sky UK Limited	`1.33ms` from Dublin, IE
51.187.6.32	AS5607 Sky UK Limited	`1.33ms` from Dublin, IE
51.187.63.206	AS5607 Sky UK Limited	`0.88ms` from Dublin, IE
51.187.40.119	AS5607 Sky UK Limited	`1.74ms` from Dublin, IE
51.187.47.125	AS5607 Sky UK Limited	`1.56ms` from Dublin, IE
51.187.23.156	AS5607 Sky UK Limited	`1.36ms` from Dublin, IE
51.187.11.228	AS5607 Sky UK Limited	`1.73ms` from Dublin, IE
51.187.9.70	AS5607 Sky UK Limited	`1.42ms` from Dublin, IE
51.187.48.57	AS5607 Sky UK Limited	`1.59ms` from Dublin, IE
51.187.46.206	AS5607 Sky UK Limited	`1.27ms` from Dublin, IE
51.187.43.202	AS5607 Sky UK Limited	`1.32ms` from Dublin, IE
51.187.0.65	AS5607 Sky UK Limited	`1.69ms` from Dublin, IE
51.187.5.122	AS5607 Sky UK Limited	`1.38ms` from Dublin, IE
51.187.4.184	AS5607 Sky UK Limited	`1.21ms` from Dublin, IE
51.187.34.67	AS5607 Sky UK Limited	`1.51ms` from Dublin, IE
51.187.44.212	AS5607 Sky UK Limited	`1.53ms` from Dublin, IE
51.187.7.151	AS5607 Sky UK Limited	`1.37ms` from Dublin, IE

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
66.30.198.242	AS7922 Comcast Cable Communications, LLC	`8.85ms` from Boston, US
186.126.92.2	AS7303 Telecom Argentina S.A.	`7.52ms` from Buenos Aires, AR
117.235.70.114	AS9829 National Internet Backbone	`4.57ms` from Delhi, IN
84.168.105.194	AS3320 Deutsche Telekom AG	`4.31ms` from Duesseldorf, DE
103.146.124.18	AS141159 Incomparable(HK)Network Co., Limited	`1.15ms` from Hong Kong, HK
12.207.237.50	AS7018 AT&T Enterprises, LLC	`3.29ms` from Los Angeles, US
24.238.9.210	AS23089 Hotwire Communications	`3.75ms` from Miami, US
76.124.32.194	AS7922 Comcast Cable Communications, LLC	`9.78ms` from New York City, US
177.99.109.66	AS18881 TELEFÔNICA BRASIL S.A	`2.66ms` from Novo Hamburgo, BR
74.114.71.2	AS47000 Superion, LLC	`2.43ms` from Orlando, US
87.100.202.162	AS16086 DNA Oyj	`0.70ms` from Oulu, FI
39.71.34.82	AS4837 CHINA UNICOM China169 Backbone	`5.82ms` from Qingdao, CN
203.228.24.66	AS4766 Korea Telecom	`4.51ms` from Seoul, KR
111.249.249.82	AS3462 Data Communication Business Group	`1.48ms` from Taipei, TW
36.12.144.194	AS2516 KDDI CORPORATION	`0.92ms` from Tokyo, JP
104.242.12.18	AS13657 E-Gate Communications Inc.	`0.27ms` from Toronto, CA
102.158.88.18	AS37705 TOPNET	`2.62ms` from Tunis, TN
218.29.115.194	AS4837 CHINA UNICOM China169 Backbone	`0.62ms` from Zhengzhou, CN
64.186.124.2	AS22079 Alaska Power & Telephone Company	`18.90ms` from Anchorage, US
71.206.158.66	AS7922 Comcast Cable Communications, LLC	`13.16ms` from Ashburn, US
163.47.222.34	AS23655 2degrees Networks Limited	`1.31ms` from Auckland, NZ
186.170.117.18	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`19.69ms` from Bogota, CO
178.157.37.194	AS196755 Sewan Belgium SA	`2.86ms` from Brussels, BE
69.162.150.130	AS32748 Steadfast	`0.38ms` from Chicago, US
24.78.149.130	AS6327 Shaw Communications	`18.12ms` from Chicago, US

Traceroute

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

traceroute -a -n -q1 -f2 51.187.1.227

traceroute to 51.187.1.227 (51.187.1.227): 64 hops max, 52 byte packets

2 [AS39122] 78.153.193.47 1.457 ms

3 *

4 *

5 [AS5607] 51.187.1.227 2.113 ms

Measurement taken from

IPinfo ProbeNet in Dublin, IE

On December 28th 2025

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.

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