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	159
IPv4 addresses	33,024
IPv6 addresses	15,716,035,654,990,179,271,180,288
ASN type	Business
Registry	ripe
Allocated	21 years ago on Sep 29, 2004
Updated	7 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 159 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	██████████	64
87.248.110.227	██████████	4
87.248.100.208	██████████	3
87.248.100.136	███████	2
217.146.187.159	██████████	2
217.12.6.28	██████████	1
217.146.181.52	██████████	1
188.125.73.93	██████	1
212.82.99.164	██████████	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
188.125.77.1	AS34010 Yahoo-UK Limited	`0.88ms` from Dublin, IE
188.125.67.199	AS34010 Yahoo-UK Limited	`0.38ms` from Dublin, IE
87.248.101.3	AS34010 Yahoo-UK Limited	`0.26ms` from Dublin, IE
188.125.83.1	AS34010 Yahoo-UK Limited	`1.12ms` from Dublin, IE
188.125.76.77	AS34010 Yahoo-UK Limited	`0.73ms` from Dublin, IE
46.228.46.2	AS34010 Yahoo-UK Limited	`0.86ms` from Dublin, IE
87.248.103.8	AS34010 Yahoo-UK Limited	`0.28ms` from Dublin, IE
77.238.161.1	AS34010 Yahoo-UK Limited	`0.35ms` from Dublin, IE
77.238.185.2	AS34010 Yahoo-UK Limited	`0.93ms` from Dublin, IE
87.248.96.205	AS34010 Yahoo-UK Limited	`0.25ms` from Dublin, IE
188.125.73.1	AS34010 Yahoo-UK Limited	`0.30ms` from Dublin, IE
217.12.10.232	AS34010 Yahoo-UK Limited	`0.38ms` from Dublin, IE
188.125.71.10	AS34010 Yahoo-UK Limited	`0.26ms` from Dublin, IE
77.238.176.67	AS34010 Yahoo-UK Limited	`0.23ms` from Dublin, IE
217.146.185.173	AS34010 Yahoo-UK Limited	`0.38ms` from Dublin, IE
87.248.108.141	AS34010 Yahoo-UK Limited	`0.87ms` from Dublin, IE
212.82.109.131	AS34010 Yahoo-UK Limited	`1.20ms` from Dublin, IE
87.248.124.6	AS34010 Yahoo-UK Limited	`0.26ms` from Dublin, IE
2a00:1288:110:c204::e4	AS34010 Yahoo-UK Limited	`0.23ms` from Dublin, IE
77.238.177.7	AS34010 Yahoo-UK Limited	`0.24ms` from Dublin, IE
217.12.3.34	AS34010 Yahoo-UK Limited	`0.27ms` from Dublin, IE
87.248.122.22	AS34010 Yahoo-UK Limited	`0.29ms` from Dublin, IE
77.238.190.60	AS34010 Yahoo-UK Limited	`0.26ms` from Dublin, IE
2a00:1288:1a8:2::1	AS34010 Yahoo-UK Limited	`0.31ms` from Dublin, IE
217.146.186.8	AS34010 Yahoo-UK Limited	`0.28ms` 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
174.169.89.58	AS7922 Comcast Cable Communications, LLC	`5.11ms` from Boston, US
197.57.183.58	AS8452 TE-AS	`4.07ms` from Cairo, EG
195.4.135.186	AS60175 WORTMANN AG	`3.71ms` from Duesseldorf, DE
68.61.178.58	AS7922 Comcast Cable Communications, LLC	`13.03ms` from Flint, US
3.125.1.106	AS16509 Amazon.com, Inc.	`0.16ms` from Frankfurt am Main, DE
221.209.243.42	AS4837 CHINA UNICOM China169 Backbone	`5.29ms` from Harbin, CN
175.21.136.138	AS4837 CHINA UNICOM China169 Backbone	`10.28ms` from Harbin, CN
98.58.217.202	AS7922 Comcast Cable Communications, LLC	`12.79ms` from Miami, US
68.168.208.26	AS19318 Interserver, Inc	`0.41ms` from New York City, US
84.46.168.202	AS212046 UAB Mezon	`0.58ms` from Vilnius, LT
79.226.50.10	AS3320 Deutsche Telekom AG	`4.85ms` from Duesseldorf, DE
95.222.193.90	AS3209 Vodafone GmbH	`6.00ms` from Frankfurt am Main, DE
112.111.161.106	AS4837 CHINA UNICOM China169 Backbone	`7.66ms` from Fuzhou, CN
123.213.184.170	AS9318 SK Broadband Co Ltd	`1.94ms` from Incheon, KR
137.101.141.186	AS12430 VODAFONE ESPANA S.A.U.	`10.03ms` from Madrid, ES
81.47.192.170	AS3352 TELEFONICA DE ESPANA S.A.U.	`0.99ms` from Madrid, ES
94.35.124.202	AS8612 Tiscali Italia S.P.A.	`17.67ms` from Milan, IT
186.121.7.186	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`19.40ms` from Panama, PA
93.35.231.26	AS12874 Fastweb SpA	`3.85ms` from Rome, IT
68.69.83.90	AS6580 Golden West Telecommunications Coop., Inc.	`8.30ms` from Sioux Falls, US
92.69.70.234	AS1136 KPN B.V.	`16.02ms` from Amsterdam, NL
163.240.231.26	AS668 United States Department of Defense (DoD)	`0.60ms` from Atlanta, US
34.79.83.74	AS396982 Google LLC	`0.13ms` from Brussels, BE
45.29.151.90	AS7018 AT&T Enterprises, LLC	`8.92ms` from Dallas, US
174.162.123.106	AS7922 Comcast Cable Communications, LLC	`8.56ms` from Flint, US

Traceroute

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

traceroute -a -n -q1 -f3 212.82.101.25

traceroute to 212.82.101.25 (212.82.101.25): 64 hops max, 52 byte packets

3 [AS2128] 185.6.36.77 5.996 ms

4 [AS10310] 66.196.65.19 12.002 ms

5 [AS34010] 77.238.190.2 0.445 ms

6 [AS34010] 77.238.190.102 0.69 ms

7 [AS34010] 212.82.101.25 0.292 ms

Measurement taken from

IPinfo ProbeNet in Dublin, IE

On January 9th 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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