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Autonomous System

AS14778

Yahoo Holdings Inc.

Announced IPs
768
CIDR prefixes
3
ASN
AS14778

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.

57/100
Caution
How this score is built
  • Baseline (neutral) 65
  • Multiple-origin (MOAS) routing anomaly −12
  • Enterprise allocation +4
  • Trust score 57 / 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 that 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. It is operated by the namesake company Yahoo!

Founded
1994
Headquarters
Sunnyvale
Industry
web portal

⚠ 2 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS14778 is now also announced by another ASN (MOAS — Multiple-Origin AS), detected from our RIPE RIS collectors. Often benign (anycast, multi-homing, or a recent transfer) — but it can signal a route leak or prefix hijack, so it's worth inspecting.

PrefixOrigin ASNsLast detected (UTC)
117.104.191.0/24 AS10229, AS14778 2026-07-23 15:23:30
202.174.4.0/24 AS10229, AS14778 2026-07-22 23:23:24

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
77.238.175.0/24 256
95.7%
Yahoo Holdings Inc. GB
117.104.190.0/24 256
100.0%
Yahoo Holdings Inc. HK
184.165.10.0/24 256
66.0%
Yahoo Holdings Inc. US New York New York

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS14778 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
117.104.190.0/24 18,231 2026-07-24 10:09:36
77.238.175.0/24 12,018 2026-07-24 09:45:28
184.165.10.0/24 5,477 2026-07-24 09:38:06
203.83.216.0/24 2,765 2026-07-24 10:09:37
202.174.4.0/24 2,710 2026-07-24 10:09:37
117.104.191.0/24 2,686 2026-07-24 10:09:37

Frequently Asked Questions

What is AS14778?

AS14778 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 AS14778 announce?

AS14778 announces 768 IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Israel.

Who operates AS14778?

AS14778 is operated by Yahoo Holdings Inc.. The organization is based in Israel. You can view all IP ranges and related ASNs on the organization page.

What country is AS14778 registered in?

AS14778 is registered in Israel. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-24 10:10:32 UTC
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