Autonomous System details

AS34010

Yahoo-UK Limited · yahoo.com

United Kingdom

Stub AS

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AS34010 – Yahoo-UK Limited

Field	Value
Country	United Kingdom
Website	yahoo.com
Hosted domains	155
IPv4 addresses	33,024
IPv6 addresses	15,716,035,654,990,179,271,180,288
ASN type	Hosting
Registry	ripe
Allocated	21 years ago on Sep 29, 2004
Updated	8 years ago on Sep 04, 2018

Netblock	Company	Num of IPs
46.228.32.0/21	Yahoo-UK Limited	2,048
46.228.40.0/21	Yahoo-UK Limited	2,048
87.248.96.0/21	Yahoo-UK Limited	2,048
87.248.112.0/21	Yahoo! Europe	2,048
87.248.120.0/21	Yahoo! Europe	2,048
188.125.64.0/21	Yahoo! Europe	2,048
188.125.80.0/21	Yahoo! Europe	2,048
212.82.104.0/21	Yahoo! Europe, Dublin, IE	2,048
217.146.176.0/21	Yahoo! Europe	2,048
217.146.184.0/21	Yahoo! Europe	2,048
77.238.160.0/22	Yahoo! Europe	1,024
77.238.176.0/22	Yahoo! Europe	1,024
77.238.184.0/22	Yahoo! Europe	1,024
77.238.188.0/22	Yahoo! Europe	1,024
188.125.72.0/22	Yahoo! Europe	1,024
188.125.76.0/22	Yahoo! Europe	1,024
212.82.96.0/22	Yahoo! Europe	1,024
212.82.100.0/22	Yahoo! Europe	1,024
217.12.4.0/22	Yahoo! Europe	1,024
217.12.8.0/22	Yahoo-UK Limited	1,024
217.12.12.0/22	Yahoo-UK Limited	1,024
87.248.108.0/23	Yahoo! Europe	512
188.125.66.0/23	Yahoo! Europe	512
188.125.68.0/23	Yahoo! Europe	512
217.12.2.0/23	Yahoo! Europe	512
77.238.160.0/24	Yahoo! Europe	256
77.238.161.0/24	Yahoo! Europe	256
77.238.185.0/24	Yahoo! Europe	256
87.248.98.0/24	Yahoo! Europe	256
87.248.100.0/24	Yahoo! Europe	256
87.248.101.0/24	Yahoo! Europe	256
87.248.102.0/24	Yahoo! Europe	256
87.248.103.0/24	Yahoo! Europe	256
87.248.110.0/24	Yahoo! Europe	256
188.125.72.0/24	Yahoo! Europe	256
188.125.73.0/24	Yahoo! Europe	256
188.125.80.0/24	Yahoo! Europe	256
188.125.82.0/24	Yahoo! Europe	256
212.82.100.0/24	Yahoo! Europe	256
212.82.101.0/24	Yahoo! Europe	256
212.82.106.0/24	Yahoo! Europe, Dublin, IE	256
212.82.108.0/24	Yahoo! Europe, Dublin, IE	256
212.82.109.0/24	Yahoo! Europe, Dublin, IE	256
217.12.15.0/24	Yahoo-UK Limited	256
217.146.187.0/24	Yahoo! Europe	256
217.146.190.0/24	Yahoo! Europe	256

Netblock	Company
2a00:1288:110::/46	Yahoo-UK Limited
2a00:1288:1a8::/46	Yahoo-UK Limited
2a00:1288:110::/48	Yahoo-UK Limited
2a00:1288:111::/48	Yahoo-UK Limited
2a00:1288:1a8::/48	Yahoo-UK Limited
2a00:1288:ef6a::/48	Yahoo-UK Limited
2a00:1288:ef98::/48	Yahoo-UK Limited

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WHOIS Details

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                                                ASHandle:       AS34010
                                                OrgID:          AS34010
                                                ASName:         AS34010
                                                ASNumber:       AS34010
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 155 domain names hosted across 16 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
212.82.100.150	██████████	73
212.82.100.137	██████████	60
87.248.110.227	██████████	4
87.248.100.208	██████████	3
217.146.187.159	██████████	2
87.248.100.136	███████	2
217.146.181.22	██████████	1
188.125.73.93	██████	1
217.146.181.52	██████████	1
212.82.99.166	██████████	1

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Peers

There is 1 peer for this ASN.

Peers	Name
AS10310	Yahoo Holdings Inc.

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ASN API & Database

Upstreams

There is 1 peer for this ASN.

upstreams	Name
AS10310	Yahoo Holdings Inc.

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ASN API & Database

Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address	ASN	Details
212.82.101.53	AS34010 Yahoo-UK Limited	`0.24ms` from Dublin, IE
212.82.109.132	AS34010 Yahoo-UK Limited	`1.01ms` from Dublin, IE
2a00:1288:ef98:7f00::a1	AS34010 Yahoo-UK Limited	`0.43ms` from Dublin, IE
188.125.82.56	AS34010 Yahoo-UK Limited	`0.29ms` from Dublin, IE
212.82.111.20	AS34010 Yahoo-UK Limited	`0.23ms` from Dublin, IE
87.248.125.2	AS34010 Yahoo-UK Limited	`0.66ms` from Dublin, IE
188.125.72.163	AS34010 Yahoo-UK Limited	`0.21ms` from Dublin, IE
87.248.99.3	AS34010 Yahoo-UK Limited	`0.71ms` from Dublin, IE
188.125.68.3	AS34010 Yahoo-UK Limited	`0.84ms` from Dublin, IE
212.82.102.3	AS34010 Yahoo-UK Limited	`0.27ms` from Dublin, IE
77.238.161.1	AS34010 Yahoo-UK Limited	`0.35ms` from Dublin, IE
87.248.109.98	AS34010 Yahoo-UK Limited	`0.30ms` from Dublin, IE
188.125.71.58	AS34010 Yahoo-UK Limited	`0.23ms` from Dublin, IE
212.82.108.205	AS34010 Yahoo-UK Limited	`0.29ms` from Dublin, IE
217.12.15.3	AS34010 Yahoo-UK Limited	`1.14ms` from Dublin, IE
217.146.178.4	AS34010 Yahoo-UK Limited	`1.09ms` from Dublin, IE
217.12.2.0	AS34010 Yahoo-UK Limited	`0.27ms` from Dublin, IE
46.228.35.6	AS34010 Yahoo-UK Limited	`0.32ms` from Dublin, IE
87.248.103.8	AS34010 Yahoo-UK Limited	`0.28ms` from Dublin, IE
217.12.10.224	AS34010 Yahoo-UK Limited	`0.33ms` from Dublin, IE
217.12.4.231	AS34010 Yahoo-UK Limited	`0.24ms` from Dublin, IE
217.146.184.33	AS34010 Yahoo-UK Limited	`0.28ms` from Dublin, IE
188.125.77.3	AS34010 Yahoo-UK Limited	`0.81ms` from Dublin, IE
217.146.188.91	AS34010 Yahoo-UK Limited	`0.24ms` from Dublin, IE
77.238.185.2	AS34010 Yahoo-UK Limited	`1.06ms` 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
201.217.47.250	AS27768 COMPAÑIA PARAGUAYA DE COMUNICACIONES S.A. (COPACO S.A.)	`15.03ms` from Asuncion, PY
190.14.255.186	AS27951 Media Commerce Partners S.A	`0.72ms` from Bogota, CO
20.186.78.26	AS8075 Microsoft Corporation	`0.30ms` from Boydton, US
104.237.240.74	AS16628 DedFiberCo	`0.17ms` from Buffalo, US
84.174.252.90	AS3320 Deutsche Telekom AG	`7.30ms` from Frankfurt am Main, DE
213.106.235.26	AS5089 Virgin Media Limited	`3.37ms` from London, GB
176.146.139.154	AS5410 Bouygues Telecom SA	`5.55ms` from Marseille, FR
124.154.143.74	AS2514 NTT PC Communications, Inc.	`2.05ms` from Osaka, JP
88.126.5.186	AS12322 Free SAS	`13.73ms` from Paris, FR
98.114.61.122	AS701 Verizon Business	`1.96ms` from Philadelphia, US
187.158.195.10	AS8151 UNINET	`14.76ms` from Santiago de Queretaro, MX
1.165.247.122	AS3462 Data Communication Business Group	`1.32ms` from Taichung, TW
133.35.197.90	AS2907 Research Organization of Information and Systems, National Institute of Informatics	`6.21ms` from Tokyo, JP
92.112.156.170	AS20853 eTOP sp. z o.o.	`0.43ms` from Warsaw, PL
145.131.244.10	AS28685 Routit BV	`1.20ms` from Amsterdam, NL
52.35.136.202	AS16509 Amazon.com, Inc.	`0.21ms` from Boardman, US
14.234.107.170	AS45899 VNPT Corp	`2.23ms` from Ho Chi Minh City, VN
123.213.184.170	AS9318 SK Broadband Co Ltd	`1.94ms` from Incheon, KR
5.26.249.250	AS16135 Turkcell A.S.	`18.77ms` from Istanbul, TR
193.27.202.138	AS13160 EMMELIBRI S.R.L.	`0.15ms` from Milan, IT
82.48.64.186	AS3269 Telecom Italia S.p.A.	`2.06ms` from Milan, IT
103.51.71.250	AS134076 M2000CN	`0.39ms` from Perth, AU
112.231.183.154	AS4837 CHINA UNICOM China169 Backbone	`6.55ms` from Qingdao, CN
119.222.219.250	AS4766 Korea Telecom	`4.39ms` from Seoul, KR
140.131.33.106	AS1659 Taiwan Academic Network (TANet) Information Center	`1.69ms` from Taipei, TW

Traceroute

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

traceroute -a -n -q1 -f3 77.238.176.1

traceroute to 77.238.176.1 (77.238.176.1): 64 hops max, 52 byte packets

3 [AS2128] 185.6.36.77 8.318 ms

4 [AS10310] 66.196.65.19 0.789 ms

5 [AS34010] 77.238.190.5 0.41 ms

6 [AS34010] 217.146.184.192 0.674 ms

7 [AS34010] 217.146.186.22 0.425 ms

8 [AS34010] 217.146.186.5 0.428 ms

9 [AS34010] 217.146.186.20 0.782 ms

10 [AS34010] 77.238.176.1 0.434 ms

Measurement taken from

IPinfo ProbeNet in Dublin, IE

On March 5th 2026

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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 AS34010 at robtex.

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