87.194.21.0/24

AS35228 · Telefonica UK Limited

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Summary

Country	United Kingdom
Domain	o2.co.uk
ASN	AS35228
Parent Range	87.194.0.0/16
Registry	RIPE
ID	UK-AVATARBROADBAND-20050616

WHOIS Details

inetnum:        87.194.0.0 - 87.194.255.255
netname:        UK-AVATARBROADBAND-20050616
country:        GB
org:            ORG-ABL1-RIPE
admin-c:        OBH9-RIPE
tech-c:         OBH9-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-AVATAR
mnt-lower:      MNT-AVATAR
mnt-domains:    MNT-AVATAR
mnt-routes:     MNT-AVATAR
created:        2005-06-16T11:17:12Z
last-modified:  2024-01-25T13:50:52Z
source:         RIPE
abuse-email:    internet.peering@telefonica.com
abuse-c:        AR17511-RIPE
abuse-org:      ORG-ABL1-RIPE

organisation:   ORG-ABL1-RIPE
org-name:       Telefonica UK Limited
country:        GB
org-type:       LIR
address:        500 Brook Drive
address:        RG2 6UU
address:        Reading
address:        UNITED KINGDOM
phone:          +442074795000
fax-no:         +448707319130
e-mail:         internetpeering@telefonica.com
abuse-c:        AR17511-RIPE
admin-c:        ML18503-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-AVATAR
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-AVATAR
created:        2005-02-23T11:11:40Z
last-modified:  2025-02-05T13:47:36Z
source:         RIPE

role:           O2 Broadband Hostmaster
address:        500 Brook Drive
address:        Reading
address:        RG2 6UU
address:        UNITED KINGDOM
abuse-mailbox:  internet.peering@telefonica.com
e-mail:         internet.peering@telefonica.com
admin-c:        ML18503-RIPE
tech-c:         ML18503-RIPE
mnt-by:         MNT-AVATAR
mnt-by:         O2UK-MNT
nic-hdl:        OBH9-RIPE
created:        2009-08-26T11:35:11Z
last-modified:  2024-01-25T13:54:42Z
source:         RIPE

route:          87.194.0.0/16
descr:          Aggregate
origin:         AS35228
mnt-by:         MNT-AVATAR
created:        2005-06-30T18:50:33Z
last-modified:  2015-08-21T11:48:36Z
source:         RIPE

Overlapping Ranges

BGP prefixes that contain 87.194.21.0/24

Range	ASN	Company	Num of IPs
87.194.0.0/16	AS35228	Telefonica UK Limited	65,536

Nearby Ranges

BGP prefixes that overlap with 87.194.0.0/16

Range	ASN	Company	Num of IPs
87.194.0.0/16	AS35228	Telefonica UK Limited	65,536
87.194.100.0/22	AS35228	Telefonica UK Limited	1,024
87.194.104.0/22	AS35228	Telefonica UK Limited	1,024
87.194.108.0/23	AS35228	Telefonica UK Limited	512
87.194.115.0/24	AS35228	Infrastructure/Misc.	256
87.194.116.0/24	AS35228	Infrastructure/Misc. TB	256
87.194.117.0/24	AS35228	Infrastructure/Misc. TB	256
87.194.118.0/24	AS35228	Infrastructure/Misc. TB	256
87.194.82.0/24	AS35228	Telefonica UK Limited	256
87.194.83.0/24	AS35228	Telefonica UK Limited	256

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
87.194.21.69	alligator-pool.co.uk	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

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
79.131.85.136	AS6799 Ote SA (Hellenic Telecommunications Organisation)	`7.81ms` from Athens, GR
172.200.73.136	AS8075 Microsoft Corporation	`0.22ms` from Boydton, US
165.255.253.88	AS37611 AFRIHOST SP (PTY) LTD	`2.50ms` from Cape Town, ZA
119.198.204.120	AS4766 Korea Telecom	`6.32ms` from Incheon, KR
70.153.136.232	AS8075 Microsoft Corporation	`0.39ms` from Jakarta, ID
2.96.122.56	AS13285 TalkTalk Communications Limited	`5.92ms` from London, GB
75.32.190.184	AS7018 AT&T Enterprises, LLC	`1.31ms` from Los Angeles, US
154.46.43.248	AS211808 APROOP TELECOM S.L.U	`6.43ms` from Madrid, ES
109.61.167.184	AS12389 PJSC Rostelecom	`13.02ms` from Moscow, RU
37.139.41.184	AS47764 LLC VK	`0.85ms` from Moscow, RU
67.83.94.152	AS6128 Cablevision Systems Corp.	`10.02ms` from New York City, US
4.236.124.72	AS8075 Microsoft Corporation	`0.17ms` from Phoenix, US
116.46.138.136	AS17858 LG POWERCOMM	`2.75ms` from Seoul, KR
49.162.26.104	AS17858 LG POWERCOMM	`1.82ms` from Seoul, KR
194.14.38.40	AS12552 GlobalConnect AB	`0.87ms` from Stockholm, SE
60.83.57.136	AS17676 SoftBank Corp.	`9.72ms` from Tokyo, JP
98.213.3.72	AS7922 Comcast Cable Communications, LLC	`5.25ms` from Chicago, US
27.124.218.72	AS38109 SK Broadband Co Ltd	`5.63ms` from Incheon, KR
123.214.136.88	AS9318 SK Broadband Co Ltd	`5.03ms` from Incheon, KR
196.170.84.216	AS24691 TogoTelecom, Togo	`3.16ms` from Lomé, TG
103.59.145.184	AS133861 SonderCloud Limited	`0.40ms` from Los Angeles, US
24.193.21.168	AS12271 Charter Communications Inc	`4.07ms` from New York City, US
42.186.212.136	AS45062 Netease-Network	`3.18ms` from Ningbo, CN
210.60.233.8	AS1659 Taiwan Academic Network (TANet) Information Center	`7.26ms` from Taipei, TW
114.34.220.8	AS3462 Data Communication Business Group	`2.15ms` from Taipei, TW

Traceroute

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

traceroute -a -n -q1 -f2 -m6 87.194.21.187

traceroute to 87.194.21.187 (87.194.21.187): 6 hops max, 52 byte packets

2 [AS25369] 188.240.58.255 10.973 ms

3 [AS5089] 62.252.5.0 11.017 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Glasgow, GB

On January 18th 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.

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