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Autonomous System

AS34010

Yahoo-UK Limited

Announced IPs
30,720
CIDR prefixes
17
ASN
AS34010

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.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
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.

PrefixAnnouncement samplesLast seen
188.125.80.0/24 4,305 2026-07-18 09:40:09
87.248.108.0/23 4,259 2026-07-18 09:47:40
87.248.102.0/24 4,218 2026-07-18 09:47:33
87.248.101.0/24 4,214 2026-07-18 09:47:33
188.125.76.0/22 4,203 2026-07-18 09:47:40
46.228.40.0/21 4,200 2026-07-18 09:47:17
188.125.73.0/24 4,194 2026-07-18 09:47:33
77.238.161.0/24 4,193 2026-07-18 09:47:33
77.238.185.0/24 4,186 2026-07-18 09:47:33
188.125.66.0/23 4,175 2026-07-18 09:47:33
77.238.160.0/24 4,173 2026-07-18 09:47:33
217.12.15.0/24 4,159 2026-07-18 09:47:33
217.146.190.0/24 4,149 2026-07-18 09:47:33
188.125.68.0/23 4,148 2026-07-18 09:47:33
212.82.106.0/24 4,142 2026-07-18 09:47:17
188.125.82.0/24 4,141 2026-07-18 09:47:33
217.146.176.0/21 4,140 2026-07-18 09:47:17
212.82.109.0/24 4,138 2026-07-18 09:47:17
212.82.101.0/24 4,136 2026-07-18 09:47:33
217.146.187.0/24 4,134 2026-07-18 09:47:17
217.146.184.0/21 4,134 2026-07-18 09:47:17
212.82.100.0/24 4,133 2026-07-18 09:47:17
217.12.8.0/22 4,131 2026-07-18 09:47:17
217.12.12.0/22 4,130 2026-07-18 09:47:17
212.82.100.0/22 4,130 2026-07-18 09:47:17
212.82.108.0/24 4,126 2026-07-18 09:47:17
212.82.104.0/21 4,123 2026-07-18 09:47:17
188.125.72.0/22 4,122 2026-07-18 09:47:17
212.82.96.0/22 4,121 2026-07-18 09:47:17
46.228.32.0/21 4,116 2026-07-18 09:47:17
217.12.4.0/22 4,105 2026-07-18 09:47:17
217.12.2.0/23 4,104 2026-07-18 09:47:17
188.125.72.0/24 4,096 2026-07-18 09:47:17
87.248.120.0/21 4,094 2026-07-18 09:47:17
87.248.103.0/24 4,082 2026-07-18 09:47:17
77.238.160.0/22 4,073 2026-07-18 09:47:17
87.248.98.0/24 4,073 2026-07-18 09:47:17
87.248.96.0/21 4,072 2026-07-18 09:47:17
77.238.184.0/22 4,071 2026-07-18 09:47:17
77.238.188.0/22 4,069 2026-07-18 09:47:17
87.248.100.0/24 4,068 2026-07-18 09:47:17
77.238.176.0/22 4,067 2026-07-18 09:47:17
87.248.112.0/21 4,061 2026-07-18 09:47:17
188.125.64.0/21 4,060 2026-07-18 09:47:17
87.248.110.0/24 4,055 2026-07-18 09:47:17
188.125.80.0/21 4,048 2026-07-18 09:47:17

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 Ireland.

Who operates AS34010?

AS34010 is operated by Yahoo-UK Limited. The organization is based in Ireland. You can view all IP ranges and related ASNs on the organization page.

What country is AS34010 registered in?

AS34010 is registered in Ireland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-18 10:09:04 UTC
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