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
77.238.185.3	AS34010 Yahoo-UK Limited	`0.92ms` from Dublin, IE
188.125.78.19	AS34010 Yahoo-UK Limited	`0.80ms` from Dublin, IE
212.82.102.1	AS34010 Yahoo-UK Limited	`0.29ms` from Dublin, IE
87.248.123.33	AS34010 Yahoo-UK Limited	`0.26ms` from Dublin, IE
212.82.111.23	AS34010 Yahoo-UK Limited	`0.24ms` from Dublin, IE
188.125.84.4	AS34010 Yahoo-UK Limited	`0.96ms` from Dublin, IE
217.12.2.0	AS34010 Yahoo-UK Limited	`0.28ms` from Dublin, IE
217.146.188.207	AS34010 Yahoo-UK Limited	`0.26ms` from Dublin, IE
46.228.36.1	AS34010 Yahoo-UK Limited	`1.12ms` from Dublin, IE
87.248.98.67	AS34010 Yahoo-UK Limited	`0.28ms` from Dublin, IE
212.82.106.13	AS34010 Yahoo-UK Limited	`0.43ms` from Dublin, IE
2a00:1288:ef98:7ffd::1	AS34010 Yahoo-UK Limited	`0.35ms` from Dublin, IE
212.82.108.202	AS34010 Yahoo-UK Limited	`0.31ms` from Dublin, IE
217.146.178.3	AS34010 Yahoo-UK Limited	`0.99ms` from Dublin, IE
188.125.77.1	AS34010 Yahoo-UK Limited	`0.75ms` from Dublin, IE
217.146.176.19	AS34010 Yahoo-UK Limited	`0.29ms` from Dublin, IE
188.125.68.2	AS34010 Yahoo-UK Limited	`0.88ms` from Dublin, IE
77.238.188.145	AS34010 Yahoo-UK Limited	`0.25ms` from Dublin, IE
217.12.11.17	AS34010 Yahoo-UK Limited	`0.24ms` from Dublin, IE
77.238.178.122	AS34010 Yahoo-UK Limited	`0.23ms` from Dublin, IE
87.248.108.49	AS34010 Yahoo-UK Limited	`0.97ms` from Dublin, IE
2a00:1288:1a8:202::1	AS34010 Yahoo-UK Limited	`0.34ms` from Dublin, IE
188.125.76.74	AS34010 Yahoo-UK Limited	`0.76ms` from Dublin, IE
87.248.97.166	AS34010 Yahoo-UK Limited	`0.26ms` from Dublin, IE
212.82.96.3	AS34010 Yahoo-UK Limited	`0.99ms` 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
190.131.225.154	AS262191 LIBERTY NETWORKS DE COLOMBIA S.A.S	`0.82ms` from Bogota, CO
37.138.246.74	AS9145 EWE TEL GmbH	`11.07ms` from Copenhagen, DK
138.113.127.122	AS54994 Meteverse Limited.	`1.25ms` from Hong Kong, HK
178.193.238.186	AS3303 Swisscom (Switzerland) Ltd	`0.82ms` from Lausanne, CH
151.9.17.218	AS1267 WIND TRE S.P.A.	`6.63ms` from Milan, IT
98.3.118.26	AS11351 Charter Communications Inc	`19.14ms` from New York City, US
126.207.229.218	AS17676 SoftBank Corp.	`3.64ms` from Osaka, JP
186.201.152.186	AS10429 TELEFÔNICA BRASIL S.A	`1.23ms` from Osasco, BR
61.228.123.138	AS3462 Data Communication Business Group	`1.00ms` from Taipei, TW
126.38.95.106	AS17676 SoftBank Corp.	`10.38ms` from Tokyo, JP
204.101.10.250	AS577 Bell Canada	`2.36ms` from Toronto, CA
130.176.45.74	AS16509 Amazon.com, Inc.	`0.39ms` from Zagreb, HR
181.121.70.138	AS23201 Telecel S.A.	`12.84ms` from Asuncion, PY
12.252.9.42	AS7018 AT&T Enterprises, LLC	`2.27ms` from Atlanta, US
41.36.112.186	AS8452 TE-AS	`5.82ms` from Cairo, EG
75.207.104.234	AS6167 Verizon Business	`19.92ms` from Charlotte, US
3.13.1.138	AS16509 Amazon.com, Inc.	`0.14ms` from Columbus, US
220.227.155.138	AS18101 Reliance Communications Ltd.DAKC MUMBAI	`1.61ms` from Delhi, IN
68.69.83.90	AS6580 Golden West Telecommunications Coop., Inc.	`9.48ms` from Denver, US
96.75.101.218	AS7922 Comcast Cable Communications, LLC	`7.52ms` from Denver, US
172.202.56.250	AS8075 Microsoft Corporation	`0.23ms` from Des Moines, US
23.102.13.42	AS8075 Microsoft Corporation	`0.15ms` from Dublin, IE
86.148.16.10	AS2856 British Telecommunications PLC	`10.65ms` from Erith, GB
47.75.76.202	AS45102 Alibaba (US) Technology Co., Ltd.	`1.53ms` from Hong Kong, HK
96.95.255.74	AS7922 Comcast Cable Communications, LLC	`9.16ms` from Houston, 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 217.146.179.143

traceroute to 217.146.179.143 (217.146.179.143): 64 hops max, 52 byte packets

3 [AS2128] 185.6.36.77 7.696 ms

4 [AS10310] 66.196.65.19 0.631 ms

5 [AS34010] 77.238.186.37 8.898 ms

6 [AS34010] 217.146.179.143 0.43 ms

Measurement taken from

IPinfo ProbeNet in Dublin, IE

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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