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	Hosting
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
2a00:1288:1a8:202::1	AS34010 Yahoo-UK Limited	`0.34ms` from Dublin, IE
188.125.77.1	AS34010 Yahoo-UK Limited	`0.75ms` from Dublin, IE
217.12.4.238	AS34010 Yahoo-UK Limited	`0.25ms` from Dublin, IE
188.125.80.110	AS34010 Yahoo-UK Limited	`0.42ms` from Dublin, IE
87.248.109.1	AS34010 Yahoo-UK Limited	`0.31ms` from Dublin, IE
77.238.178.122	AS34010 Yahoo-UK Limited	`0.23ms` from Dublin, IE
77.238.190.48	AS34010 Yahoo-UK Limited	`0.26ms` from Dublin, IE
217.146.184.72	AS34010 Yahoo-UK Limited	`0.28ms` from Dublin, IE
87.248.102.2	AS34010 Yahoo-UK Limited	`0.28ms` from Dublin, IE
217.12.3.53	AS34010 Yahoo-UK Limited	`0.28ms` from Dublin, IE
212.82.98.4	AS34010 Yahoo-UK Limited	`1.36ms` from Dublin, IE
212.82.100.164	AS34010 Yahoo-UK Limited	`0.24ms` from Dublin, IE
217.146.185.173	AS34010 Yahoo-UK Limited	`0.31ms` from Dublin, IE
87.248.103.8	AS34010 Yahoo-UK Limited	`0.27ms` from Dublin, IE
217.146.186.33	AS34010 Yahoo-UK Limited	`0.29ms` from Dublin, IE
87.248.99.1	AS34010 Yahoo-UK Limited	`0.78ms` from Dublin, IE
77.238.186.77	AS34010 Yahoo-UK Limited	`0.33ms` from Dublin, IE
188.125.76.74	AS34010 Yahoo-UK Limited	`0.76ms` from Dublin, IE
217.12.15.3	AS34010 Yahoo-UK Limited	`0.80ms` from Dublin, IE
77.238.160.1	AS34010 Yahoo-UK Limited	`0.37ms` from Dublin, IE
77.238.177.194	AS34010 Yahoo-UK Limited	`0.23ms` from Dublin, IE
87.248.98.67	AS34010 Yahoo-UK Limited	`0.28ms` from Dublin, IE
77.238.161.1	AS34010 Yahoo-UK Limited	`0.36ms` from Dublin, IE
77.238.188.145	AS34010 Yahoo-UK Limited	`0.25ms` from Dublin, IE
87.248.123.33	AS34010 Yahoo-UK Limited	`0.26ms` 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
73.134.138.90	AS7922 Comcast Cable Communications, LLC	`7.02ms` from Ashburn, US
101.201.243.250	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`1.22ms` from Beijing, CN
222.130.87.106	AS4808 China Unicom Beijing Province Network	`4.71ms` from Beijing, CN
181.94.68.122	AS7303 Telecom Argentina S.A.	`1.33ms` from Buenos Aires, AR
35.223.105.42	AS396982 Google LLC	`0.14ms` from Council Bluffs, US
52.178.130.90	AS8075 Microsoft Corporation	`0.14ms` from Dublin, IE
125.120.186.74	AS4134 CHINANET BACKBONE	`6.51ms` from Hangzhou, CN
128.14.11.42	AS21859 Zenlayer Inc	`0.30ms` from Los Angeles, US
153.54.3.250	AS272096 PACKETHUB S.A.	`0.48ms` from Los Angeles, US
179.43.133.250	AS51852 Private Layer INC	`0.12ms` from Lugano, CH
90.45.21.74	AS3215 Orange S.A.	`5.85ms` from Paris, FR
207.172.226.250	AS6079 RCN	`9.16ms` from Philadelphia, US
3.81.93.138	AS14618 Amazon.com, Inc.	`0.62ms` from Reston, US
50.150.50.10	AS7922 Comcast Cable Communications, LLC	`1.02ms` from Boston, US
109.134.61.26	AS5432 Proximus NV	`2.01ms` from Brussels, BE
123.145.209.218	AS4837 CHINA UNICOM China169 Backbone	`2.20ms` from Chongqing, CN
177.230.52.186	AS13999 Mega Cable, S.A. de C.V.	`6.50ms` from Guadalajara, MX
194.197.169.250	AS1759 Telia Finland Oyj	`1.71ms` from Helsinki, FI
115.18.134.218	AS4766 Korea Telecom	`6.67ms` from Incheon, KR
68.108.255.154	AS22773 Cox Communications Inc.	`8.50ms` from Los Angeles, US
34.129.95.202	AS396982 Google LLC	`0.11ms` from Melbourne, AU
172.220.19.74	AS20115 Charter Communications LLC	`18.09ms` from Minneapolis, US
189.196.20.10	AS262916 Mega Cable, S.A. de C.V.	`5.34ms` from Santiago de Querétaro, MX
59.156.174.106	AS10013 FreeBit Co.,Ltd.	`10.24ms` from Tokyo, JP
126.75.232.202	AS17676 SoftBank Corp.	`9.71ms` from Tokyo, JP

Traceroute

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

traceroute -a -n -q1 -f2 -m6 77.238.184.226

traceroute to 77.238.184.226 (77.238.184.226): 6 hops max, 52 byte packets

2 [AS58061] 38.180.36.1 0.402 ms

3 [AS200590] 188.94.153.128 1.088 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Almaty, KZ

On April 24th 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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