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	15,716,035,654,990,179,400,000,000
ASN type	Business
Registry	ripe
Allocated	22 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
212.82.100.137	██████████	60
87.248.110.227	██████████	4
212.82.100.150	██████████	4
87.248.100.208	██████████	3
87.248.100.136	█████████	2
217.146.187.159	██████████	2
188.125.73.93	██████	1
77.238.178.145	██████████	1
188.125.72.162	██████████	1
217.146.181.52	██████████	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
188.125.80.110	AS34010 Yahoo-UK Limited	`0.46ms` from Dublin, IE
77.238.185.2	AS34010 Yahoo-UK Limited	`0.76ms` from Dublin, IE
77.238.188.139	AS34010 Yahoo-UK Limited	`0.26ms` from Dublin, IE
212.82.100.145	AS34010 Yahoo-UK Limited	`0.23ms` from Dublin, IE
217.12.8.3	AS34010 Yahoo-UK Limited	`1.37ms` from Dublin, IE
2a00:1288:1a8:2::1	AS34010 Yahoo-UK Limited	`0.33ms` from Dublin, IE
188.125.77.2	AS34010 Yahoo-UK Limited	`0.75ms` from Dublin, IE
77.238.179.32	AS34010 Yahoo-UK Limited	`0.22ms` from Dublin, IE
2a00:1288:111:406::e1	AS34010 Yahoo-UK Limited	`0.23ms` from Dublin, IE
188.125.75.129	AS34010 Yahoo-UK Limited	`0.35ms` from Dublin, IE
87.248.110.56	AS34010 Yahoo-UK Limited	`0.25ms` from Dublin, IE
212.82.111.28	AS34010 Yahoo-UK Limited	`0.25ms` from Dublin, IE
217.146.179.143	AS34010 Yahoo-UK Limited	`0.39ms` from Dublin, IE
217.146.190.240	AS34010 Yahoo-UK Limited	`0.23ms` from Dublin, IE
87.248.109.1	AS34010 Yahoo-UK Limited	`0.29ms` from Dublin, IE
188.125.73.2	AS34010 Yahoo-UK Limited	`0.25ms` from Dublin, IE
46.228.36.3	AS34010 Yahoo-UK Limited	`0.96ms` from Dublin, IE
217.146.187.57	AS34010 Yahoo-UK Limited	`0.27ms` from Dublin, IE
87.248.123.33	AS34010 Yahoo-UK Limited	`0.27ms` from Dublin, IE
87.248.96.48	AS34010 Yahoo-UK Limited	`0.25ms` from Dublin, IE
217.12.14.6	AS34010 Yahoo-UK Limited	`0.26ms` from Dublin, IE
188.125.83.2	AS34010 Yahoo-UK Limited	`0.84ms` from Dublin, IE
87.248.99.3	AS34010 Yahoo-UK Limited	`0.75ms` from Dublin, IE
77.238.186.77	AS34010 Yahoo-UK Limited	`0.32ms` from Dublin, IE
217.12.2.0	AS34010 Yahoo-UK Limited	`0.27ms` 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
54.191.66.74	AS16509 Amazon.com, Inc.	`0.26ms` from Boardman, US
193.227.18.42	AS2561 Egyptian Universities Network (EUN)	`7.38ms` from Cairo, EG
175.3.174.58	AS4134 CHINANET BACKBONE	`8.71ms` from Changsha, CN
96.74.240.170	AS7922 Comcast Cable Communications, LLC	`3.77ms` from Chicago, US
122.156.234.138	AS4837 CHINA UNICOM China169 Backbone	`7.86ms` from Harbin, CN
2.40.227.26	AS30722 Fastweb SpA	`16.66ms` from Milan, IT
162.243.194.106	AS14061 DigitalOcean, LLC	`0.70ms` from New York City, US
24.228.111.202	AS6128 Cablevision Systems Corp.	`7.62ms` from New York City, US
160.86.52.42	AS2527 Sony Network Communications Inc.	`6.46ms` from Osaka, JP
34.193.0.218	AS14618 Amazon.com, Inc.	`0.22ms` from Reston, US
93.35.231.26	AS12874 Fastweb SpA	`3.86ms` from Rome, IT
82.149.146.58	AS12714 PJSC MegaFon	`19.19ms` from Saint Petersburg, RU
208.65.168.234	AS14453 ADVANCED KNOWLEDGE NETWORKS	`1.15ms` from Toronto, CA
92.69.70.234	AS1136 KPN B.V.	`14.66ms` from Amsterdam, NL
71.163.153.138	AS701 Verizon Business	`2.52ms` from Ashburn, US
68.115.182.90	AS20115 Charter Communications LLC	`4.07ms` from Atlanta, US
104.210.3.218	AS8075 Microsoft Corporation	`0.20ms` from Boydton, US
58.144.227.186	AS4837 CHINA UNICOM China169 Backbone	`0.30ms` from Chongqing, CN
50.196.149.10	AS7922 Comcast Cable Communications, LLC	`6.58ms` from Fremont, US
137.138.44.186	AS513 CERN - European Organization for Nuclear Research	`1.21ms` from Geneve, CH
27.42.182.74	AS17816 China Unicom IP network China169 Guangdong province	`5.35ms` from Guangzhou, CN
139.182.247.202	AS2152 CENIC	`2.78ms` from Los Angeles, US
88.11.187.234	AS3352 TELEFONICA DE ESPANA S.A.U.	`9.06ms` from Madrid, ES
119.92.62.122	AS9299 Philippine Long Distance Telephone Company	`0.96ms` from Manila, PH
94.35.124.202	AS8612 Tiscali Italia S.P.A.	`18.40ms` from Milan, IT

Traceroute

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

traceroute -a -n -q1 -f3 217.146.189.65

traceroute to 217.146.189.65 (217.146.189.65): 64 hops max, 52 byte packets

3 [AS2128] 185.6.36.77 9.693 ms

4 [AS10310] 209.191.112.135 0.712 ms

5 [AS34010] 77.238.190.5 0.36 ms

6 [AS34010] 217.146.184.194 0.678 ms

7 [AS34010] 217.146.186.21 0.711 ms

8 [AS34010] 217.146.186.6 0.42 ms

9 [AS34010] 217.146.186.12 0.709 ms

10 [AS34010] 217.146.189.65 0.655 ms

Measurement taken from

IPinfo ProbeNet in Dublin, IE

On April 13th 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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