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
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About Yahoo Inc.
Yahoo Inc. is an American multinational technology company that focuses on media and online business.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 46.228.32.0/20 | 4.1K |
76.9%
|
Yahoo-UK Limited | GB | — | — |
| 188.125.64.0/20 | 4.1K |
86.3%
|
Yahoo-UK Limited | GB | — | — |
| 212.82.96.0/20 | 4.1K |
66.5%
|
Yahoo-UK Limited | GB | — | — |
| 217.146.176.0/20 | 4.1K |
81.2%
|
Yahoo-UK Limited | GB | — | — |
| 87.248.96.0/21 | 2.0K |
94.1%
|
Yahoo-UK Limited | GB | — | — |
| 87.248.120.0/21 | 2.0K |
48.7%
|
Yahoo-UK Limited | GB | — | — |
| 188.125.80.0/21 | 2.0K |
86.1%
|
Yahoo-UK Limited | GB | — | — |
| 217.12.8.0/21 | 2.0K |
96.9%
|
Yahoo-UK Limited | GB | — | — |
| 77.238.160.0/22 | 1.0K |
74.9%
|
Yahoo-UK Limited | GB | — | — |
| 77.238.176.0/22 | 1.0K |
97.8%
|
Yahoo-UK Limited | GB | — | — |
| 77.238.184.0/22 | 1.0K |
73.0%
|
Yahoo-UK Limited | GB | — | — |
| 217.12.4.0/22 | 1.0K |
48.2%
|
Yahoo-UK Limited | GB | — | — |
| 77.238.190.0/23 | 512 |
98.0%
|
Yahoo-UK Limited | GB | — | — |
| 87.248.108.0/23 | 512 |
99.8%
|
Yahoo-UK Limited | GB | — | — |
| 217.12.2.0/23 | 512 |
97.9%
|
Yahoo-UK Limited | GB | — | — |
| 77.238.188.0/24 | 256 |
96.5%
|
Yahoo-UK Limited | GB | — | — |
| 87.248.110.0/24 | 256 |
93.4%
|
Yahoo-UK Limited | GB | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS34010 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 |
|---|---|---|
| 46.228.40.0/21 | 21,212 | 2026-09-15 18:58:56 |
| 87.248.101.0/24 | 20,996 | 2026-09-15 18:58:33 |
| 87.248.102.0/24 | 20,996 | 2026-09-15 18:57:13 |
| 87.248.108.0/23 | 20,987 | 2026-09-15 18:58:33 |
| 46.228.32.0/21 | 20,976 | 2026-09-15 18:58:56 |
| 77.238.161.0/24 | 20,884 | 2026-09-15 18:59:04 |
| 77.238.185.0/24 | 20,883 | 2026-09-15 18:59:04 |
| 87.248.103.0/24 | 20,869 | 2026-09-15 18:57:07 |
| 77.238.160.0/24 | 20,865 | 2026-09-15 18:59:04 |
| 87.248.100.0/24 | 20,854 | 2026-09-15 18:58:32 |
| 87.248.98.0/24 | 20,825 | 2026-09-15 18:57:07 |
| 77.238.188.0/22 | 20,820 | 2026-09-15 18:58:56 |
| 87.248.120.0/21 | 20,808 | 2026-09-15 18:57:07 |
| 87.248.96.0/21 | 20,808 | 2026-09-15 18:58:32 |
| 77.238.176.0/22 | 20,792 | 2026-09-15 18:58:56 |
| 87.248.112.0/21 | 20,787 | 2026-09-15 18:58:32 |
| 77.238.184.0/22 | 20,786 | 2026-09-15 18:58:56 |
| 87.248.110.0/24 | 20,780 | 2026-09-15 18:58:32 |
| 77.238.160.0/22 | 20,768 | 2026-09-15 18:58:56 |
| 188.125.80.0/24 | 19,325 | 2026-09-15 18:58:09 |
| 188.125.73.0/24 | 19,298 | 2026-09-15 18:58:33 |
| 188.125.72.0/22 | 19,274 | 2026-09-15 18:57:45 |
| 188.125.76.0/22 | 19,271 | 2026-09-15 18:58:33 |
| 188.125.72.0/24 | 19,260 | 2026-09-15 18:58:32 |
| 188.125.66.0/23 | 19,258 | 2026-09-15 18:58:09 |
| 188.125.68.0/23 | 19,197 | 2026-09-15 18:58:09 |
| 188.125.82.0/24 | 19,151 | 2026-09-15 18:58:09 |
| 188.125.64.0/21 | 19,130 | 2026-09-15 18:57:45 |
| 188.125.80.0/21 | 19,095 | 2026-09-15 18:58:32 |
| 212.82.108.0/24 | 18,100 | 2026-09-15 18:58:37 |
| 212.82.100.0/24 | 18,096 | 2026-09-15 18:58:37 |
| 212.82.109.0/24 | 18,096 | 2026-09-15 18:58:37 |
| 212.82.106.0/24 | 18,095 | 2026-09-15 18:58:37 |
| 212.82.104.0/21 | 18,089 | 2026-09-15 18:58:37 |
| 212.82.100.0/22 | 18,067 | 2026-09-15 18:58:37 |
| 212.82.101.0/24 | 18,061 | 2026-09-15 18:59:03 |
| 212.82.96.0/22 | 18,057 | 2026-09-15 18:58:37 |
| 217.146.187.0/24 | 17,926 | 2026-09-15 18:58:37 |
| 217.146.184.0/21 | 17,922 | 2026-09-15 18:58:37 |
| 217.12.12.0/22 | 17,913 | 2026-09-15 18:58:37 |
| 217.12.15.0/24 | 17,907 | 2026-09-15 18:59:03 |
| 217.12.8.0/22 | 17,895 | 2026-09-15 18:58:37 |
| 217.12.4.0/22 | 17,887 | 2026-09-15 18:58:37 |
| 217.146.176.0/21 | 17,883 | 2026-09-15 18:58:37 |
| 217.146.190.0/24 | 17,863 | 2026-09-15 18:59:03 |
| 217.12.2.0/23 | 17,861 | 2026-09-15 18:58:37 |
Frequently Asked Questions
What is AS34010?
AS34010 is an Autonomous System Number assigned to Yahoo-UK Limited. 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 AS34010 announce?
AS34010 announces 30.7K IPv4 addresses distributed across 17 routed CIDR prefixes. The network is registered in United Kingdom.
Who operates AS34010?
AS34010 is operated by Yahoo-UK Limited. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.
What country is AS34010 registered in?
AS34010 is registered in United Kingdom. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
