Autonomous System details

AS26101

Yahoo Holdings Inc. · yahooinc.com

United States

Crawler

Stub AS

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AS26101 – Yahoo Holdings Inc.

Field	Value
Country	United States
Website	yahooinc.com
Hosted domains	3,706
IPv4 addresses	121,856
IPv6 addresses	19,342,813,113,834,066,795,298,816
ASN type	ISP
Registry	arin
Allocated	24 years ago on Jul 05, 2002
Updated	6 years ago on Jul 21, 2020

Netblock	Company	Num of IPs
98.139.128.0/17	Yahoo Holdings Inc.	32,768
67.195.192.0/19	Yahoo Holdings Inc.	8,192
72.30.0.0/19	Yahoo Holdings Inc.	8,192
72.30.32.0/19	Yahoo Holdings Inc.	8,192
74.6.96.0/19	Yahoo Holdings Inc.	8,192
66.218.80.0/20	Yahoo Holdings Inc.	4,096
67.195.176.0/20	Yahoo Holdings Inc.	4,096
69.147.112.0/20	Yahoo Holdings Inc.	4,096
72.30.192.0/20	Yahoo Holdings Inc.	4,096
98.139.32.0/20	Yahoo Holdings Inc.	4,096
63.250.200.0/21	Yahoo Holdings Inc.	2,048
66.196.80.0/21	Yahoo Holdings Inc.	2,048
66.196.104.0/21	Yahoo Holdings Inc.	2,048
66.196.112.0/21	Yahoo Holdings Inc.	2,048
68.142.216.0/21	Yahoo Holdings Inc.	2,048
68.142.224.0/21	Yahoo Holdings Inc.	2,048
69.147.72.0/21	Yahoo Holdings Inc.	2,048
69.147.120.0/21	Yahoo Holdings Inc.	2,048
74.6.128.0/21	Yahoo Holdings Inc.	2,048
74.6.248.0/21	Yahoo Holdings Inc.	2,048
98.137.192.0/21	Yahoo Holdings Inc.	2,048
98.139.16.0/21	Yahoo Holdings Inc.	2,048
98.139.24.0/21	Yahoo Holdings Inc.	2,048
63.250.196.0/22	Yahoo Holdings Inc.	1,024
67.195.204.0/22	Yahoo Holdings Inc.	1,024
67.195.216.0/22	Yahoo Holdings Inc.	1,024
68.142.232.0/22	Yahoo Holdings Inc.	1,024
68.142.236.0/22	Yahoo Holdings Inc.	1,024
72.30.60.0/22	Yahoo Holdings Inc.	1,024
74.6.48.0/22	Yahoo Holdings Inc.	1,024
74.6.136.0/22	Yahoo Holdings Inc.	1,024
74.6.140.0/22	Yahoo Holdings Inc.	1,024
74.6.144.0/22	Yahoo Holdings Inc.	1,024
74.6.148.0/22	Yahoo Holdings Inc.	1,024
98.139.8.0/22	Yahoo Holdings Inc.	1,024
98.139.124.0/22	Yahoo Holdings Inc.	1,024
209.73.180.0/22	Yahoo Holdings Inc.	1,024
72.30.60.0/23	Yahoo Holdings Inc.	512
72.30.62.0/23	Yahoo Holdings Inc.	512
98.139.44.0/23	Yahoo Holdings Inc.	512
66.196.109.0/24	Yahoo Holdings Inc.	256
66.218.84.0/24	Yahoo Holdings Inc.	256
66.218.85.0/24	Yahoo Holdings Inc.	256
66.218.86.0/24	Yahoo Holdings Inc.	256
66.218.87.0/24	Yahoo Holdings Inc.	256
67.195.204.0/24	Yahoo Holdings Inc.	256
67.195.205.0/24	Yahoo Holdings Inc.	256
67.195.220.0/24	Yahoo Holdings Inc.	256
67.195.221.0/24	Yahoo Holdings Inc.	256
72.30.2.0/24	Yahoo Holdings Inc.	256
72.30.3.0/24	Yahoo Holdings Inc.	256
72.30.22.0/24	Yahoo Holdings Inc.	256
72.30.35.0/24	Yahoo Holdings Inc.	256
72.30.205.0/24	Yahoo Holdings Inc.	256
74.6.96.0/24	Yahoo Holdings Inc.	256
74.6.106.0/24	Yahoo Holdings Inc.	256
74.6.136.0/24	Yahoo Holdings Inc.	256
74.6.137.0/24	Yahoo Holdings Inc.	256
74.6.138.0/24	Yahoo Holdings Inc.	256
74.6.139.0/24	Yahoo Holdings Inc.	256
74.6.140.0/24	Yahoo Holdings Inc.	256
74.6.141.0/24	Yahoo Holdings Inc.	256
74.6.142.0/24	Yahoo Holdings Inc.	256
74.6.143.0/24	Yahoo Holdings Inc.	256
74.6.144.0/24	Yahoo Holdings Inc.	256
74.6.145.0/24	Yahoo Holdings Inc.	256
74.6.146.0/24	Yahoo Holdings Inc.	256
74.6.147.0/24	Yahoo Holdings Inc.	256
98.139.16.0/24	Yahoo Holdings Inc.	256
98.139.17.0/24	Yahoo Holdings Inc.	256
98.139.21.0/24	Yahoo Holdings Inc.	256
98.139.133.0/24	Yahoo Holdings Inc.	256
98.139.155.0/24	Yahoo Holdings Inc.	256
98.139.199.0/24	Yahoo Holdings Inc.	256
98.139.225.0/24	Yahoo Holdings Inc.	256

Netblock	Company
2001:4998:58::/46	Yahoo Holdings Inc.
2001:4998:124::/46	Yahoo Holdings Inc.
2001:4998:194::/46	Yahoo Holdings Inc.
2001:4998:58::/48	Yahoo Holdings Inc.
2001:4998:124::/48	Yahoo Holdings Inc.
2001:4998:194::/48	Yahoo Holdings Inc.
2001:4998:ef99::/48	Yahoo Holdings Inc.

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WHOIS Details

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                                                ASHandle:       AS26101
                                                OrgID:          AS26101
                                                ASName:         AS26101
                                                ASNumber:       AS26101
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 3,706 domain names hosted across 66 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
67.195.197.24	██████████	1,225
67.195.197.25	██████████	1,090
98.139.135.128	██████████	190
67.195.197.75	██████████	181
67.195.197.76	██████████	172
98.139.135.129	██████████	155
74.6.143.25	█████████	124
98.139.28.145	██████████	123
66.218.84.137	██████████	116
74.6.143.26	█████████	111

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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

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

IP Address	ASN	Details
74.6.50.27	AS26101 Yahoo Holdings Inc.	`0.92ms` from Buffalo, US
67.195.221.1	AS26101 Yahoo Holdings Inc.	`0.99ms` from Buffalo, US
69.147.72.203	AS26101 Yahoo Holdings Inc.	`0.94ms` from Buffalo, US
69.147.113.25	AS26101 Yahoo Holdings Inc.	`0.97ms` from Buffalo, US
98.139.41.37	AS26101 Yahoo Holdings Inc.	`0.97ms` from Buffalo, US
98.139.11.58	AS26101 Yahoo Holdings Inc.	`1.12ms` from Buffalo, US
98.139.125.99	AS26101 Yahoo Holdings Inc.	`0.95ms` from Buffalo, US
98.139.130.193	AS26101 Yahoo Holdings Inc.	`1.00ms` from Buffalo, US
98.139.133.25	AS26101 Yahoo Holdings Inc.	`0.97ms` from Buffalo, US
98.139.44.106	AS26101 Yahoo Holdings Inc.	`1.11ms` from Buffalo, US
72.30.61.222	AS26101 Yahoo Holdings Inc.	`1.06ms` from Buffalo, US
67.195.205.4	AS26101 Yahoo Holdings Inc.	`0.98ms` from Buffalo, US
74.6.148.153	AS26101 Yahoo Holdings Inc.	`0.93ms` from Buffalo, US
74.6.140.8	AS26101 Yahoo Holdings Inc.	`0.93ms` from Buffalo, US
67.195.182.4	AS26101 Yahoo Holdings Inc.	`0.98ms` from Buffalo, US
74.6.127.112	AS26101 Yahoo Holdings Inc.	`0.96ms` from Buffalo, US
72.30.35.158	AS26101 Yahoo Holdings Inc.	`0.93ms` from Buffalo, US
98.139.253.130	AS26101 Yahoo Holdings Inc.	`1.32ms` from Buffalo, US
74.6.150.169	AS26101 Yahoo Holdings Inc.	`0.94ms` from Buffalo, US
74.6.51.1	AS26101 Yahoo Holdings Inc.	`0.99ms` from Buffalo, US
66.196.106.133	AS26101 Yahoo Holdings Inc.	`0.97ms` from Buffalo, US
72.30.22.249	AS26101 Yahoo Holdings Inc.	`0.93ms` from Buffalo, US
74.6.143.19	AS26101 Yahoo Holdings Inc.	`0.93ms` from Buffalo, US
67.195.204.31	AS26101 Yahoo Holdings Inc.	`0.91ms` from Buffalo, US
69.147.125.117	AS26101 Yahoo Holdings Inc.	`1.38ms` from Buffalo, US

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
211.27.172.21	AS9443 Vocus Retail	`3.33ms` from Brisbane, AU
5.204.80.197	AS213155 Yettel Hungary Ltd.	`10.08ms` from Budapest, HU
76.57.164.149	AS10796 Charter Communications Inc	`2.44ms` from Chicago, US
34.247.52.53	AS16509 Amazon.com, Inc.	`0.18ms` from Dublin, IE
91.35.178.117	AS3320 Deutsche Telekom AG	`2.46ms` from Duesseldorf, DE
116.104.91.5	AS7552 Viettel Group	`1.34ms` from Hanoi, VN
182.16.250.213	AS45298 INTERLINK TECHNOLOGY, PT	`0.33ms` from Jakarta, ID
202.147.174.133	AS23966 LINKdotNET Telecom Limited	`14.70ms` from Karachi, PK
20.219.232.5	AS8075 Microsoft Corporation	`0.14ms` from Lohogaon, IN
49.193.172.37	AS4804 Microplex PTY LTD	`2.13ms` from Perth, AU
213.60.27.21	AS12334 R Cable y Telecable Telecomunicaciones, S.A.U.	`5.55ms` from A Coruna, ES
96.217.8.5	AS7922 Comcast Cable Communications, LLC	`2.57ms` from Ashburn, US
20.14.251.21	AS8075 Microsoft Corporation	`0.29ms` from Boydton, US
3.75.75.53	AS16509 Amazon.com, Inc.	`0.11ms` from Frankfurt am Main, DE
93.175.63.85	AS212616 K.M.A ADVANCED TECHNOLOGIES LTD	`11.60ms` from Haifa, IL
206.127.181.197	AS26793 ICS Advanced Technologies	`5.50ms` from Kansas City, US
35.177.92.117	AS16509 Amazon.com, Inc.	`0.18ms` from London, GB
153.99.249.245	AS4837 CHINA UNICOM China169 Backbone	`5.22ms` from Nanjing, CN
122.131.197.101	AS2518 BIGLOBE Inc.	`2.52ms` from Osaka, JP
73.219.222.117	AS7922 Comcast Cable Communications, LLC	`11.14ms` from Providence, US
187.232.204.133	AS8151 UNINET	`11.59ms` from Santiago de Queretaro, MX
49.29.124.229	AS4766 Korea Telecom	`7.66ms` from Seoul, KR
43.217.56.165	AS16509 Amazon.com, Inc.	`0.46ms` from Sepang, MY
120.109.26.101	AS1659 Taiwan Academic Network (TANet) Information Center	`1.21ms` from Taichung, TW
36.231.146.133	AS3462 Data Communication Business Group	`1.27ms` 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 -f4 72.30.38.86

traceroute to 72.30.38.86 (72.30.38.86): 64 hops max, 52 byte packets

4 [AS1299] 62.115.159.242 0.606 ms

5 [AS1299] 213.248.82.10 6.81 ms

6 [AS10310] 209.191.64.181 11.574 ms

7 [AS10310] 74.6.227.135 11.313 ms

8 [AS26101] 66.196.117.5 1.147 ms

9 [AS26101] 74.6.123.221 1.819 ms

10 [AS26101] 72.30.33.122 1.327 ms

11 [AS26101] 72.30.34.40 5.163 ms

12 [AS26101] 72.30.34.10 1.382 ms

13 [AS26101] 72.30.34.16 1.142 ms

14 [AS26101] 72.30.32.8 1.15 ms

15 [AS26101] 72.30.38.86 1.061 ms

Measurement taken from

IPinfo ProbeNet in Buffalo, US

On January 30th 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 AS26101 at robtex.

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