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Autonomous System

AS36647

Yahoo Holdings Inc.

Announced IPs
184,320
CIDR prefixes
31
ASN
AS36647

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 that 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. It is operated by the namesake company Yahoo!

Founded
1994
Headquarters
Sunnyvale
Industry
web portal

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
67.195.0.0/17 32.8K
64.1%
Yahoo Holdings Inc. US Washington Quincy
68.180.192.0/18 16.4K
33.7%
Yahoo Holdings Inc. US Washington Quincy
98.136.192.0/18 16.4K
48.8%
Yahoo Holdings Inc. US Washington Quincy
98.137.0.0/18 16.4K
43.8%
Yahoo Holdings Inc. US Washington Quincy
74.6.160.0/19 8.2K
30.1%
Yahoo Holdings Inc. US Washington Quincy
74.6.192.0/19 8.2K
15.1%
Yahoo Holdings Inc. US Washington Quincy
98.136.128.0/19 8.2K
43.7%
Yahoo Holdings Inc. US Washington Quincy
98.137.96.0/19 8.2K
57.2%
Yahoo Holdings Inc. US Washington Quincy
98.137.160.0/19 8.2K
45.9%
Yahoo Holdings Inc. US Washington Quincy
98.137.224.0/19 8.2K
43.3%
Yahoo Holdings Inc. US Washington Quincy
63.250.208.0/20 4.1K
41.6%
Yahoo Holdings Inc. US Washington Quincy
67.195.128.0/20 4.1K
66.7%
Yahoo Holdings Inc. US Washington Quincy
67.195.160.0/20 4.1K
18.3%
Yahoo Holdings Inc. US Washington Quincy
69.147.96.0/20 4.1K
89.1%
Yahoo Holdings Inc. US Washington Quincy
74.6.32.0/20 4.1K
70.9%
Yahoo Holdings Inc. US Washington Quincy
98.137.64.0/20 4.1K
69.2%
Yahoo Holdings Inc. US Washington Quincy
206.190.32.0/20 4.1K
45.8%
Yahoo Holdings Inc. US Washington Quincy
216.39.48.0/20 4.1K
75.5%
Yahoo Holdings Inc. US Washington Quincy
67.195.144.0/21 2.0K
72.7%
Yahoo Holdings Inc. US Washington Quincy
67.195.224.0/21 2.0K
61.3%
Yahoo Holdings Inc. US Washington Quincy
68.142.240.0/21 2.0K
92.0%
Yahoo Holdings Inc. US Washington Quincy
74.6.56.0/21 2.0K
36.0%
Yahoo Holdings Inc. US Washington Quincy
98.139.112.0/21 2.0K
63.2%
Yahoo Holdings Inc. US Washington Quincy
206.190.48.0/21 2.0K
45.6%
Yahoo Holdings Inc. US Washington Quincy
208.71.40.0/21 2.0K
51.2%
Yahoo Holdings Inc. US Washington Quincy
63.250.192.0/22 1.0K
44.5%
Yahoo Holdings Inc. US Washington Quincy
63.250.204.0/22 1.0K
64.6%
Yahoo Holdings Inc. US Washington Quincy
74.6.52.0/22 1.0K
0.0%
Yahoo Holdings Inc. US Washington Quincy
98.136.100.0/22 1.0K
95.6%
Yahoo Holdings Inc. US Washington Quincy
98.136.112.0/22 1.0K
46.2%
Yahoo Holdings Inc. US Washington Quincy
98.139.120.0/22 1.0K
63.3%
Yahoo Holdings Inc. US Washington Quincy

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS36647 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
98.136.147.0/24 6,372 2026-07-23 20:05:03
98.137.27.0/24 6,348 2026-07-23 20:05:03
98.136.112.0/22 6,343 2026-07-23 20:05:03
98.137.224.0/19 6,330 2026-07-23 20:05:02
69.147.96.0/20 6,321 2026-07-23 20:05:02
98.137.160.0/19 6,305 2026-07-23 20:05:02
98.136.144.0/24 6,283 2026-07-23 20:05:03
98.139.112.0/20 6,267 2026-07-23 20:05:02
98.137.246.0/24 6,260 2026-07-23 20:05:03
98.136.128.0/19 6,258 2026-07-23 20:05:02
98.136.100.0/22 6,244 2026-07-23 20:05:03
98.137.64.0/20 6,242 2026-07-23 20:05:02
98.136.128.0/24 6,241 2026-07-23 20:05:03
98.137.11.0/24 6,239 2026-07-23 20:05:03
98.136.112.0/24 6,237 2026-07-23 20:05:03
98.137.96.0/19 6,235 2026-07-23 20:05:02
98.136.103.0/24 6,234 2026-07-23 20:05:03
98.136.100.0/24 6,232 2026-07-23 20:05:03
98.136.192.0/18 6,229 2026-07-23 20:05:02
98.137.170.0/24 6,228 2026-07-23 20:05:03
98.137.0.0/19 6,223 2026-07-23 20:05:02
98.136.146.0/24 6,205 2026-07-23 20:05:03
98.137.10.0/24 6,195 2026-07-23 20:05:03
98.137.247.0/24 6,194 2026-07-23 20:05:03
98.136.101.0/24 6,194 2026-07-23 20:05:03
98.136.145.0/24 6,189 2026-07-23 20:05:03
68.142.240.0/21 6,166 2026-07-23 20:05:03
98.137.3.0/24 6,158 2026-07-23 20:05:03
98.137.1.0/24 6,156 2026-07-23 20:05:03
67.195.144.0/21 6,137 2026-07-23 20:05:03
74.6.47.0/24 6,113 2026-07-23 20:05:03
63.250.192.0/19 6,042 2026-07-23 20:12:55
67.195.39.0/24 6,042 2026-07-23 20:05:03
74.6.32.0/19 6,040 2026-07-23 20:05:02
68.180.240.0/20 6,038 2026-07-23 20:05:02
67.195.4.0/24 6,034 2026-07-23 20:05:03
67.195.228.0/22 6,032 2026-07-23 20:05:03
67.195.0.0/17 6,029 2026-07-23 20:05:01
74.6.192.0/19 6,025 2026-07-23 20:05:02
74.6.34.0/24 6,024 2026-07-23 20:05:03
67.195.231.0/24 6,024 2026-07-23 20:05:03
67.195.128.0/20 6,024 2026-07-23 20:05:02
67.195.228.0/24 6,019 2026-07-23 20:05:03
67.195.33.0/24 6,016 2026-07-23 20:05:03
74.6.160.0/19 6,011 2026-07-23 20:05:02
63.250.207.0/24 6,007 2026-07-23 20:05:03
68.180.192.0/19 6,006 2026-07-23 20:05:02
68.180.224.0/20 6,006 2026-07-23 20:05:02
74.6.160.0/24 6,005 2026-07-23 20:05:03
67.195.160.0/20 6,002 2026-07-23 20:05:02

Showing top 50 of 67 announced prefixes by sample volume.

Frequently Asked Questions

What is AS36647?

AS36647 is an Autonomous System Number assigned to Yahoo Holdings Inc.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS36647 announce?

AS36647 announces 184.3K IPv4 addresses distributed across 31 routed CIDR prefixes. The network is registered in United States.

Who operates AS36647?

AS36647 is operated by Yahoo Holdings Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS36647 registered in?

AS36647 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-23 20:25:31 UTC
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