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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 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
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 9,693 2026-09-11 17:56:05
98.136.112.0/22 9,630 2026-09-11 17:56:02
98.137.27.0/24 9,565 2026-09-11 17:56:11
98.137.224.0/19 9,508 2026-09-11 17:56:14
69.147.96.0/20 9,467 2026-09-11 17:56:17
98.136.144.0/24 9,460 2026-09-11 17:56:20
98.137.160.0/19 9,455 2026-09-11 17:56:17
98.136.146.0/24 9,391 2026-09-11 17:56:25
98.136.145.0/24 9,388 2026-09-11 17:56:23
98.136.112.0/24 9,383 2026-09-11 17:56:24
98.137.246.0/24 9,370 2026-09-11 17:56:49
98.137.11.0/24 9,363 2026-09-11 17:56:49
98.136.128.0/24 9,361 2026-09-11 17:56:53
98.137.247.0/24 9,355 2026-09-11 17:56:36
98.139.112.0/20 9,355 2026-09-11 17:56:40
98.136.100.0/24 9,354 2026-09-11 17:56:36
98.136.101.0/24 9,350 2026-09-11 17:56:38
98.136.103.0/24 9,347 2026-09-11 17:56:43
98.136.128.0/19 9,345 2026-09-11 17:56:49
98.137.10.0/24 9,339 2026-09-11 17:56:49
98.137.170.0/24 9,332 2026-09-11 17:56:53
98.136.100.0/22 9,327 2026-09-11 17:56:33
98.137.64.0/20 9,316 2026-09-11 17:56:53
98.137.0.0/19 9,301 2026-09-11 17:56:53
98.137.96.0/19 9,297 2026-09-11 17:56:53
98.137.3.0/24 9,293 2026-09-11 17:56:58
98.136.192.0/18 9,292 2026-09-11 17:56:53
98.137.1.0/24 9,289 2026-09-11 17:56:53
68.142.240.0/21 9,087 2026-09-11 17:56:09
67.195.144.0/21 9,037 2026-09-11 17:56:11
74.6.47.0/24 9,029 2026-09-11 17:56:11
67.195.39.0/24 8,859 2026-09-11 17:56:46
74.6.32.0/19 8,855 2026-09-11 17:56:28
67.195.4.0/24 8,844 2026-09-11 17:56:42
68.180.240.0/20 8,843 2026-09-11 17:56:26
63.250.207.0/24 8,838 2026-09-11 17:56:28
74.6.34.0/24 8,828 2026-09-11 17:56:42
67.195.231.0/24 8,827 2026-09-11 17:56:53
67.195.228.0/24 8,824 2026-09-11 17:56:49
63.250.192.0/19 8,823 2026-09-11 17:57:00
68.180.240.0/24 8,822 2026-09-11 17:56:42
67.195.229.0/24 8,820 2026-09-11 17:56:49
67.195.33.0/24 8,815 2026-09-11 17:56:49
74.6.170.0/23 8,814 2026-09-11 17:56:45
67.195.0.0/17 8,814 2026-09-11 17:56:53
74.6.160.0/24 8,812 2026-09-11 17:56:53
74.6.192.0/19 8,811 2026-09-11 17:56:46
67.195.230.0/24 8,810 2026-09-11 17:56:53
67.195.228.0/22 8,808 2026-09-11 17:56:49
67.195.128.0/20 8,794 2026-09-11 17:56:49

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: 2026-09-11 17:56:08 UTC
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