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 v1.2.0 — 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.
Network profile
Source: PeeringDB →Present at 88 internet exchanges: Equinix Chicago, Equinix Dallas, Equinix Los Angeles, Equinix San Jose, Equinix Palo Alto, Equinix Seattle, Equinix New York, SIX Seattle: MTU 1500, NYIIX New York, NYIIX Los Angeles, …
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS10310 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 |
|---|---|---|
| 202.160.176.0/20 | 42,143 | 2026-09-09 16:30:45 |
| 183.177.76.0/22 | 41,948 | 2026-09-09 16:32:01 |
| 202.43.216.0/21 | 41,843 | 2026-09-09 16:32:01 |
| 180.222.112.0/21 | 41,532 | 2026-09-09 16:30:45 |
| 183.177.69.0/24 | 41,434 | 2026-09-09 16:32:01 |
| 180.222.104.0/21 | 41,420 | 2026-09-09 16:32:01 |
| 27.123.34.0/23 | 40,524 | 2026-09-09 16:32:01 |
| 203.84.213.0/24 | 38,510 | 2026-09-09 16:32:01 |
| 183.177.80.0/23 | 38,267 | 2026-09-09 16:30:45 |
| 27.123.37.0/24 | 37,512 | 2026-09-09 16:32:01 |
| 203.84.208.0/23 | 34,281 | 2026-09-09 16:32:01 |
| 203.84.210.0/23 | 34,274 | 2026-09-09 16:32:01 |
| 124.108.76.0/23 | 33,232 | 2026-09-09 16:32:01 |
| 209.191.80.0/21 | 32,685 | 2026-09-09 16:33:24 |
| 200.152.173.0/24 | 32,375 | 2026-09-09 16:33:24 |
| 200.152.160.0/21 | 32,162 | 2026-09-09 16:33:24 |
| 200.152.172.0/22 | 32,065 | 2026-09-09 16:33:24 |
| 27.123.33.0/24 | 27,564 | 2026-09-09 16:29:55 |
| 27.123.192.0/23 | 27,343 | 2026-09-09 16:29:55 |
| 27.123.196.0/23 | 27,165 | 2026-09-09 16:29:55 |
| 27.123.44.0/22 | 26,883 | 2026-09-09 16:29:55 |
| 203.110.236.0/22 | 25,328 | 2026-09-09 16:30:01 |
| 202.165.108.0/23 | 25,300 | 2026-09-09 16:30:01 |
| 202.165.98.0/23 | 25,271 | 2026-09-09 16:30:01 |
| 203.104.16.0/21 | 25,193 | 2026-09-09 16:30:01 |
| 202.93.6.0/23 | 25,186 | 2026-09-09 16:30:01 |
| 203.84.214.0/23 | 25,183 | 2026-09-09 16:30:01 |
| 202.165.96.0/24 | 25,177 | 2026-09-09 16:30:01 |
| 202.171.234.0/24 | 25,148 | 2026-09-09 16:30:01 |
| 180.233.112.0/21 | 25,097 | 2026-09-09 16:29:59 |
| 202.43.204.0/22 | 25,080 | 2026-09-09 16:30:01 |
| 202.47.143.0/24 | 25,020 | 2026-09-09 16:30:01 |
| 202.43.202.0/23 | 25,016 | 2026-09-09 16:30:01 |
| 183.177.84.0/22 | 25,006 | 2026-09-09 16:30:00 |
| 183.177.90.0/23 | 24,771 | 2026-09-09 16:30:00 |
| 183.177.74.0/23 | 24,756 | 2026-09-09 16:30:00 |
| 115.178.4.0/23 | 24,553 | 2026-09-09 16:29:58 |
| 115.178.3.0/24 | 24,543 | 2026-09-09 16:29:58 |
| 124.108.80.0/22 | 24,530 | 2026-09-09 16:29:58 |
| 124.108.84.0/23 | 24,452 | 2026-09-09 16:29:58 |
| 124.108.78.0/23 | 24,440 | 2026-09-09 16:29:58 |
| 124.108.64.0/21 | 24,387 | 2026-09-09 16:29:58 |
| 115.178.12.0/22 | 24,246 | 2026-09-09 16:29:58 |
| 115.178.10.0/23 | 24,187 | 2026-09-09 16:29:58 |
| 103.40.110.0/23 | 23,944 | 2026-09-09 16:29:57 |
| 87.248.107.0/24 | 21,154 | 2026-09-09 16:34:32 |
| 200.152.160.0/24 | 21,145 | 2026-09-09 16:34:34 |
| 188.125.90.0/24 | 21,122 | 2026-09-09 16:34:11 |
| 193.93.197.0/24 | 19,811 | 2026-09-09 16:32:19 |
| 66.196.70.0/23 | 19,603 | 2026-09-09 16:30:39 |
Showing top 50 of 89 announced prefixes by sample volume.
Frequently Asked Questions
What is AS10310?
AS10310 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 AS10310 announce?
AS10310 announces 78.8K IPv4 addresses distributed across 82 routed CIDR prefixes. The network is registered in United States.
Who operates AS10310?
AS10310 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 AS10310 registered in?
AS10310 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
