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WorldIP.io
Organization

Yahoo Holdings Inc.

Enterprise United States
IPv4 addresses
494,336
CIDR ranges
193
Category
enterprise
BGP prefixes announced
330
live routing →

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

69/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Enterprise allocation +4
  • Trust score 69 / 100

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

About Yahoo

Yahoo is an American web portal based in Sunnyvale, California. It provides the search engine Yahoo Search and related services including My Yahoo, Yahoo Mail, Yahoo News, Yahoo Finance, Yahoo Sports, y!entertainment, yahoo!life, and its advertising platform, Yahoo Native.

Founded
1994
Headquarters
Sunnyvale
Industry
web portal

Operates 1 network present at 88 internet exchanges with a selective peering policy.

Official website ↗ Summary from Wikipedia, CC BY-SA 4.0 · Data from Wikidata

Countries served by Yahoo Holdings Inc.

Every country where this organization has IPv4 allocations, ranked by IPs held.

United States 453.6K Hong Kong 22.5K United Kingdom 4.9K China 4.1K Brazil 3.6K Taiwan 2.8K Germany 1.0K South Korea 768 Australia 512 South Africa 512 Israel 256 Ireland 256

ASNs owned by Yahoo Holdings Inc.

ASNNameIPsPrefixesCountry
AS36647 Yahoo Holdings Inc. 184.3K 31 US
AS26101 Yahoo Holdings Inc. 121.3K 27 US
AS36646 Yahoo Holdings Inc. 95.7K 17 US
AS10310 Yahoo Holdings Inc. 78.8K 82 US
AS7280 Yahoo Holdings Inc. 2.3K 5 US
AS10880 Yahoo Holdings Inc. 1.5K 5 US
AS14778 Yahoo Holdings Inc. 1.5K 6 US
AS14777 Yahoo Holdings Inc. 1.3K 2 US
AS36088 Yahoo Holdings Inc. 1.3K 2 US
AS393245 Yahoo Holdings Inc. 768 2 US
AS14196 Yahoo Holdings Inc. 768 2 US
AS36229 Yahoo Holdings Inc. 768 2 US
AS36752 Yahoo Holdings Inc. 768 2 US
AS5779 Yahoo Holdings Inc. 768 2 US
AS14776 Yahoo Holdings Inc. 768 2 US
AS14779 Yahoo Holdings Inc. 768 2 US
AS14780 Yahoo Holdings Inc. 768 2 US
AS16515 Yahoo Holdings Inc. 256 1 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
98.138.0.0/16 65.5K
68.6%
AS36646 US Nebraska Omaha
67.195.0.0/17 32.8K
64.1%
AS36647 US Washington Quincy
98.139.128.0/17 32.8K
75.6%
AS26101 US New York Lockport
68.180.192.0/18 16.4K
33.7%
AS36647 US Washington Quincy
72.30.0.0/18 16.4K
61.1%
AS26101 US New York Lockport
98.136.192.0/18 16.4K
48.8%
AS36647 US Washington Quincy
98.137.0.0/18 16.4K
43.8%
AS36647 US Washington Quincy
67.195.192.0/19 8.2K
55.3%
AS26101 US New York Lockport
74.6.96.0/19 8.2K
83.7%
AS26101 US New York Lockport
74.6.160.0/19 8.2K
30.1%
AS36647 US Washington Quincy
74.6.192.0/19 8.2K
15.1%
AS36647 US Washington Quincy
98.136.128.0/19 8.2K
43.7%
AS36647 US Washington Quincy
98.137.96.0/19 8.2K
57.2%
AS36647 US Washington Quincy
98.137.160.0/19 8.2K
45.9%
AS36647 US Washington Quincy
98.137.224.0/19 8.2K
43.3%
AS36647 US Washington Quincy
63.250.208.0/20 4.1K
41.6%
AS36647 US Washington Quincy
66.163.176.0/20 4.1K
82.5%
AS36646 US Nebraska Omaha
66.218.80.0/20 4.1K
50.0%
AS26101 US New York Lockport
67.195.128.0/20 4.1K
66.7%
AS36647 US Washington Quincy
67.195.160.0/20 4.1K
18.3%
AS36647 US Washington Quincy
67.195.176.0/20 4.1K
42.8%
AS26101 US New York Lockport
68.142.224.0/20 4.1K
81.7%
AS26101 US New York Lockport
69.147.96.0/20 4.1K
89.1%
AS36647 US Washington Quincy
69.147.112.0/20 4.1K
72.2%
AS26101 US New York Lockport
72.30.192.0/20 4.1K
42.6%
AS26101 US New York Lockport
74.6.32.0/20 4.1K
70.9%
AS36647 US Washington Quincy
74.6.128.0/20 4.1K
90.1%
AS26101 US New York Lockport
98.137.64.0/20 4.1K
69.2%
AS36647 US Washington Quincy
98.139.16.0/20 4.1K
69.0%
AS26101 US New York Lockport
98.139.32.0/20 4.1K
36.1%
AS26101 US New York Lockport
184.165.16.0/20 4.1K
8.6%
AS10310 US California San Francisco
202.160.176.0/20 4.1K
5.9%
AS10310 CN — —
206.190.32.0/20 4.1K
45.8%
AS36647 US Washington Quincy
209.131.48.0/20 4.1K
0.0%
AS10310 US California Sunnyvale
209.191.64.0/20 4.1K
12.7%
AS10310 US Colorado Denver
209.191.112.0/20 4.1K
3.6%
AS10310 US — —
216.39.48.0/20 4.1K
75.5%
AS36647 US Washington Quincy
216.115.96.0/20 4.1K
77.9%
AS10310 US California Los Angeles
216.155.192.0/20 4.1K
69.9%
AS36646 US Nebraska Omaha
216.252.112.0/20 4.1K
45.6%
AS36646 US Nebraska Omaha
66.163.168.0/21 2.0K
75.7%
AS36646 US Nebraska Omaha
66.196.64.0/21 2.0K
71.6%
AS10310 US — —
66.196.80.0/21 2.0K
50.3%
AS26101 US New York Lockport
66.196.104.0/21 2.0K
61.1%
AS26101 US New York Lockport
66.196.112.0/21 2.0K
48.7%
AS26101 US New York Lockport
67.195.144.0/21 2.0K
72.7%
AS36647 US Washington Quincy
67.195.224.0/21 2.0K
61.3%
AS36647 US Washington Quincy
68.142.216.0/21 2.0K
47.7%
AS26101 US New York Lockport
68.142.240.0/21 2.0K
92.0%
AS36647 US Washington Quincy
68.180.136.0/21 2.0K
23.4%
AS10310 US California Sunnyvale
69.147.72.0/21 2.0K
45.7%
AS26101 US New York Lockport
74.6.56.0/21 2.0K
36.0%
AS36647 US Washington Quincy
74.6.144.0/21 2.0K
95.4%
AS26101 US New York Lockport
74.6.248.0/21 2.0K
59.2%
AS26101 US New York Lockport
98.136.120.0/21 2.0K
94.6%
AS36646 US Nebraska Omaha
98.137.80.0/21 2.0K
91.2%
AS36646 US Nebraska Omaha
98.137.192.0/21 2.0K
22.8%
AS26101 US New York Lockport
98.137.216.0/21 2.0K
58.2%
AS36646 US Nebraska Omaha
98.139.112.0/21 2.0K
63.2%
AS36647 US Washington Quincy
124.108.64.0/21 2.0K
12.1%
AS10310 HK — —
180.233.112.0/21 2.0K
60.0%
AS10310 HK — —
184.165.0.0/21 2.0K
37.6%
AS10310 US California Pinole
184.165.24.0/21 2.0K
0.0%
AS10310 US — —
202.43.216.0/21 2.0K
23.4%
AS10310 HK — —
202.160.184.0/21 2.0K
0.0%
AS10310 SG — —
203.104.16.0/21 2.0K
34.1%
AS10310 US — —
206.190.48.0/21 2.0K
45.6%
AS36647 US Washington Quincy
208.71.40.0/21 2.0K
51.2%
AS36647 US Washington Quincy
209.131.56.0/21 2.0K
30.7%
AS10310 US New York Lockport
209.191.80.0/21 2.0K
7.8%
AS10310 US — —
209.191.120.0/21 2.0K
0.0%
AS10310 US — —
216.115.96.0/21 2.0K
0.0%
AS10310 US New York Buffalo
216.252.96.0/21 2.0K
19.9%
AS10310 US — —
216.252.104.0/21 2.0K
35.1%
AS36646 US Nebraska Omaha
27.123.44.0/22 1.0K
0.0%
AS10310 HK — —
63.250.192.0/22 1.0K
44.5%
AS36647 US Washington Quincy
63.250.196.0/22 1.0K
88.5%
AS26101 US New York Lockport
63.250.200.0/22 1.0K
22.0%
AS26101 US New York Lockport
63.250.204.0/22 1.0K
64.6%
AS36647 US Washington Quincy
66.196.88.0/22 1.0K
0.0%
AS10310 US Texas Dallas
69.147.88.0/22 1.0K
96.7%
AS36088 US California San Jose
69.147.92.0/22 1.0K
93.9%
AS14777 US Virginia Ashburn
72.30.220.0/22 1.0K
72.3%
AS10310 US Florida Miami
72.30.240.0/22 1.0K
48.5%
AS36646 US Nebraska Omaha
74.6.48.0/22 1.0K
94.4%
AS26101 US New York Lockport
74.6.52.0/22 1.0K
0.0%
AS36647 US Washington Quincy
74.6.224.0/22 1.0K
96.1%
AS10310 US Florida Miami
74.6.228.0/22 1.0K
97.0%
AS36646 US Nebraska Omaha
77.238.168.0/22 1.0K
49.5%
AS10310 GB — —
98.136.96.0/22 1.0K
96.0%
AS36646 US Nebraska Omaha
98.136.100.0/22 1.0K
95.6%
AS36647 US Washington Quincy
98.136.104.0/22 1.0K
24.0%
AS36646 US Nebraska Omaha
98.136.112.0/22 1.0K
46.2%
AS36647 US Washington Quincy
98.136.116.0/22 1.0K
24.6%
AS36646 US Nebraska Omaha
98.137.156.0/22 1.0K
91.5%
AS36646 US Nebraska Omaha
98.139.8.0/22 1.0K
61.5%
AS26101 US New York Lockport
98.139.108.0/22 1.0K
40.7%
AS36646 US Nebraska Omaha
98.139.120.0/22 1.0K
63.3%
AS36647 US Washington Quincy
98.139.124.0/22 1.0K
83.4%
AS26101 US New York Lockport
115.178.12.0/22 1.0K
24.2%
AS10310 HK — —

Frequently Asked Questions

How many IP addresses does Yahoo Holdings Inc. own?

Yahoo Holdings Inc. controls 494.3K IPv4 addresses distributed across 193 CIDR ranges. The organization is registered in United States.

What ASNs does Yahoo Holdings Inc. operate?

Yahoo Holdings Inc. operates 18 Autonomous Systems. Each ASN represents an independently routed network that Yahoo Holdings Inc. manages for internet traffic delivery.

What countries does Yahoo Holdings Inc. serve?

Yahoo Holdings Inc. has IP address allocations in 12 countries, indicating a multinational network presence for delivering services across these regions.

What type of organization is Yahoo Holdings Inc.?

Yahoo Holdings Inc. is categorized as enterprise. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-09-08 11:24:05 UTC
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