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WorldIP.io
Autonomous System

AS36646

Yahoo Holdings Inc.

Announced IPs
94,720
CIDR prefixes
16
ASN
AS36646

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 v1.3.0 — 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

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS36646 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
216.252.127.0/24 15,298 2026-11-09 04:45:34
98.138.71.0/24 15,164 2026-11-09 04:39:32
98.137.159.0/24 15,122 2026-11-09 04:49:02
98.138.72.0/24 15,015 2026-11-09 04:49:02
98.137.156.0/22 14,854 2026-11-09 04:39:32
98.138.208.0/24 14,828 2026-11-09 04:39:32
216.252.118.0/24 14,790 2026-11-09 04:45:34
98.137.155.0/24 14,727 2026-11-09 04:39:32
98.137.156.0/24 14,681 2026-11-09 04:39:32
216.252.112.0/20 14,659 2026-11-09 04:45:34
98.138.96.0/24 14,632 2026-11-09 04:39:32
98.137.158.0/24 14,618 2026-11-09 04:39:32
98.137.157.0/24 14,613 2026-11-09 04:49:02
216.252.104.0/21 14,589 2026-11-09 04:45:34
98.137.80.0/21 14,576 2026-11-09 04:39:32
98.137.216.0/21 14,576 2026-11-09 04:39:32
98.136.96.0/24 14,568 2026-11-09 04:39:32
98.136.104.0/22 14,564 2026-11-09 04:39:32
98.137.154.0/23 14,555 2026-11-09 04:39:32
98.137.154.0/24 14,534 2026-11-09 04:49:02
98.138.17.0/24 14,512 2026-11-09 04:39:32
98.138.219.0/24 14,480 2026-11-09 04:39:32
98.136.97.0/24 14,465 2026-11-09 04:49:02
98.136.96.0/22 14,456 2026-11-09 04:39:32
98.136.120.0/21 14,425 2026-11-09 04:39:32
98.138.49.0/24 14,391 2026-11-09 04:49:02
66.163.184.0/21 14,319 2026-11-09 04:38:32
66.163.176.0/21 14,276 2026-11-09 04:38:32
216.155.192.0/20 14,043 2026-11-09 04:45:34
98.139.108.0/22 14,027 2026-11-09 04:49:02
74.6.229.0/24 13,888 2026-11-09 04:49:02
216.155.194.0/24 13,877 2026-11-09 04:49:02
98.138.0.0/16 13,849 2026-11-09 03:13:27
74.6.230.0/24 13,846 2026-11-09 04:49:02
72.30.241.0/24 13,780 2026-11-09 04:49:02
72.30.240.0/24 13,777 2026-11-09 04:49:02
74.6.228.0/22 13,726 2026-11-09 04:39:32
74.6.228.0/24 13,712 2026-11-09 04:39:32
72.30.240.0/22 13,641 2026-11-09 04:39:32
66.163.168.0/21 13,106 2026-11-09 03:13:27
74.6.231.0/24 12,609 2026-11-09 03:13:27
98.136.116.0/22 6,219 2026-07-13 06:46:18

Frequently Asked Questions

What is AS36646?

AS36646 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 AS36646 announce?

AS36646 announces 94.7K IPv4 addresses distributed across 16 routed CIDR prefixes. The network is registered in United States.

Who operates AS36646?

AS36646 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 AS36646 registered in?

AS36646 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: 2026-11-09 04:54:06 UTC
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