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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 v1.2.1 — 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

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
67.195.0.0/17 32.8K
66.2%
Yahoo Holdings Inc. US Washington Quincy
68.180.192.0/18 16.4K
37.1%
Yahoo Holdings Inc. US Washington Quincy
98.136.192.0/18 16.4K
54.1%
Yahoo Holdings Inc. US Washington Quincy
98.137.0.0/18 16.4K
47.9%
Yahoo Holdings Inc. US Washington Quincy
74.6.160.0/19 8.2K
30.9%
Yahoo Holdings Inc. US Washington Quincy
74.6.192.0/19 8.2K
15.4%
Yahoo Holdings Inc. US Washington Quincy
98.136.128.0/19 8.2K
46.4%
Yahoo Holdings Inc. US Washington Quincy
98.137.96.0/19 8.2K
61.7%
Yahoo Holdings Inc. US Washington Quincy
98.137.160.0/19 8.2K
47.7%
Yahoo Holdings Inc. US Washington Quincy
98.137.224.0/19 8.2K
46.4%
Yahoo Holdings Inc. US Washington Quincy
63.250.208.0/20 4.1K
49.5%
Yahoo Holdings Inc. US Washington Quincy
67.195.128.0/20 4.1K
67.7%
Yahoo Holdings Inc. US Washington Quincy
67.195.160.0/20 4.1K
18.5%
Yahoo Holdings Inc. US Washington Quincy
69.147.96.0/20 4.1K
92.4%
Yahoo Holdings Inc. US Washington Quincy
74.6.32.0/20 4.1K
74.2%
Yahoo Holdings Inc. US Washington Quincy
98.137.64.0/20 4.1K
74.4%
Yahoo Holdings Inc. US Washington Quincy
206.190.32.0/20 4.1K
86.5%
Yahoo Holdings Inc. US Washington Quincy
216.39.48.0/20 4.1K
92.4%
Yahoo Holdings Inc. US Washington Quincy
67.195.144.0/21 2.0K
73.9%
Yahoo Holdings Inc. US Washington Quincy
67.195.224.0/21 2.0K
61.5%
Yahoo Holdings Inc. US Washington Quincy
68.142.240.0/21 2.0K
99.0%
Yahoo Holdings Inc. US Washington Quincy
74.6.56.0/21 2.0K
37.3%
Yahoo Holdings Inc. US Washington Quincy
98.139.112.0/21 2.0K
74.1%
Yahoo Holdings Inc. US Washington Quincy
206.190.48.0/21 2.0K
86.6%
Yahoo Holdings Inc. US Washington Quincy
208.71.40.0/21 2.0K
74.2%
Yahoo Holdings Inc. US Washington Quincy
63.250.192.0/22 1.0K
49.4%
Yahoo Holdings Inc. US Washington Quincy
63.250.204.0/22 1.0K
74.2%
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
98.8%
Yahoo Holdings Inc. US Washington Quincy
98.136.112.0/22 1.0K
49.7%
Yahoo Holdings Inc. US Washington Quincy
98.139.120.0/22 1.0K
61.5%
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 11,745 2026-10-14 05:42:00
98.136.112.0/22 11,680 2026-10-14 05:42:00
98.137.27.0/24 11,504 2026-10-14 05:42:00
98.137.224.0/19 11,430 2026-10-14 05:42:00
69.147.96.0/20 11,379 2026-10-14 05:42:00
98.137.160.0/19 11,358 2026-10-14 05:42:00
98.136.144.0/24 11,355 2026-10-14 05:42:00
98.136.146.0/24 11,296 2026-10-14 05:42:00
98.136.145.0/24 11,292 2026-10-14 05:42:00
98.136.112.0/24 11,281 2026-10-14 05:42:00
98.139.112.0/20 11,253 2026-10-14 05:42:00
98.137.247.0/24 11,249 2026-10-14 05:42:00
98.136.101.0/24 11,248 2026-10-14 05:42:00
98.136.100.0/24 11,247 2026-10-14 05:42:00
98.137.246.0/24 11,246 2026-10-14 05:42:00
98.136.103.0/24 11,233 2026-10-14 05:42:00
98.137.10.0/24 11,230 2026-10-14 05:42:00
98.136.100.0/22 11,226 2026-10-14 05:42:00
98.136.128.0/24 11,224 2026-10-14 05:42:00
98.136.128.0/19 11,216 2026-10-14 05:42:00
98.137.11.0/24 11,212 2026-10-14 05:42:00
98.137.170.0/24 11,199 2026-10-14 05:42:00
98.137.64.0/20 11,175 2026-10-14 05:42:00
98.137.3.0/24 11,169 2026-10-14 05:42:00
98.137.0.0/19 11,167 2026-10-14 05:42:00
98.137.1.0/24 11,165 2026-10-14 05:42:00
98.137.96.0/19 11,158 2026-10-14 05:42:00
98.136.192.0/18 11,156 2026-10-14 05:42:00
68.142.240.0/21 11,033 2026-10-14 05:42:00
67.195.144.0/21 10,970 2026-10-14 05:42:00
74.6.47.0/24 10,954 2026-10-14 05:42:00
74.6.32.0/19 10,745 2026-10-14 05:42:00
68.180.240.0/20 10,738 2026-10-14 05:42:00
67.195.39.0/24 10,734 2026-10-14 05:42:00
63.250.207.0/24 10,729 2026-10-14 05:42:00
67.195.4.0/24 10,721 2026-10-14 05:42:00
68.180.240.0/24 10,706 2026-10-14 05:42:00
74.6.34.0/24 10,706 2026-10-14 05:42:00
74.6.170.0/23 10,704 2026-10-14 05:42:00
63.250.192.0/19 10,701 2026-10-14 05:42:00
67.195.229.0/24 10,686 2026-10-14 05:42:00
67.195.228.0/24 10,685 2026-10-14 05:42:00
67.195.231.0/24 10,680 2026-10-14 05:42:00
67.195.33.0/24 10,679 2026-10-14 05:42:00
74.6.192.0/19 10,678 2026-10-14 05:42:00
63.250.204.0/22 10,675 2026-10-14 05:42:00
67.195.230.0/24 10,671 2026-10-14 05:42:00
67.195.228.0/22 10,668 2026-10-14 05:42:00
74.6.160.0/24 10,666 2026-10-14 05:42:00
67.195.0.0/17 10,666 2026-10-14 05:42:00

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: 2026-10-14 06:24:05 UTC
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