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.
- 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.
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.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 98.138.0.0/16 | 13,045 | 2026-10-27 10:23:32 |
| 98.138.71.0/24 | 13,034 | 2026-10-27 10:23:32 |
| 216.252.127.0/24 | 12,871 | 2026-10-27 10:23:32 |
| 98.137.156.0/22 | 12,791 | 2026-10-27 10:23:32 |
| 98.137.159.0/24 | 12,782 | 2026-10-27 10:23:37 |
| 98.138.208.0/24 | 12,774 | 2026-10-27 10:23:32 |
| 98.137.155.0/24 | 12,684 | 2026-10-27 10:23:32 |
| 98.138.72.0/24 | 12,681 | 2026-10-27 10:23:37 |
| 98.137.156.0/24 | 12,646 | 2026-10-27 10:23:32 |
| 98.138.96.0/24 | 12,600 | 2026-10-27 10:23:32 |
| 98.137.158.0/24 | 12,587 | 2026-10-27 10:23:32 |
| 98.137.80.0/21 | 12,547 | 2026-10-27 10:23:32 |
| 98.137.216.0/21 | 12,546 | 2026-10-27 10:23:32 |
| 98.136.96.0/24 | 12,538 | 2026-10-27 10:23:32 |
| 98.136.104.0/22 | 12,534 | 2026-10-27 10:23:32 |
| 98.137.154.0/23 | 12,522 | 2026-10-27 10:23:32 |
| 66.163.184.0/21 | 12,513 | 2026-10-27 10:23:32 |
| 98.138.17.0/24 | 12,481 | 2026-10-27 10:23:32 |
| 66.163.176.0/21 | 12,466 | 2026-10-27 10:23:32 |
| 216.252.118.0/24 | 12,459 | 2026-10-27 10:23:32 |
| 98.138.219.0/24 | 12,449 | 2026-10-27 10:23:32 |
| 98.136.96.0/22 | 12,431 | 2026-10-27 10:23:32 |
| 98.136.120.0/21 | 12,399 | 2026-10-27 10:23:32 |
| 66.163.168.0/21 | 12,394 | 2026-10-27 10:23:32 |
| 98.137.157.0/24 | 12,374 | 2026-10-27 10:23:37 |
| 216.252.112.0/20 | 12,331 | 2026-10-27 10:23:32 |
| 98.137.154.0/24 | 12,297 | 2026-10-27 10:23:37 |
| 216.252.104.0/21 | 12,266 | 2026-10-27 10:23:32 |
| 98.136.97.0/24 | 12,229 | 2026-10-27 10:23:37 |
| 98.138.49.0/24 | 12,162 | 2026-10-27 10:23:37 |
| 74.6.231.0/24 | 11,919 | 2026-10-27 10:23:32 |
| 74.6.228.0/22 | 11,887 | 2026-10-27 10:23:32 |
| 74.6.228.0/24 | 11,872 | 2026-10-27 10:23:32 |
| 72.30.240.0/22 | 11,808 | 2026-10-27 10:23:32 |
| 98.139.108.0/22 | 11,795 | 2026-10-27 10:23:49 |
| 216.155.192.0/20 | 11,723 | 2026-10-27 10:23:32 |
| 74.6.229.0/24 | 11,712 | 2026-10-27 10:23:37 |
| 74.6.230.0/24 | 11,668 | 2026-10-27 10:23:37 |
| 72.30.241.0/24 | 11,606 | 2026-10-27 10:23:37 |
| 72.30.240.0/24 | 11,604 | 2026-10-27 10:23:37 |
| 216.155.194.0/24 | 11,542 | 2026-10-27 10:23:37 |
| 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.
