Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS4866

Announcement observedARIN

Yahoo Holdings Inc. · YAHOO-POLYV

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active11/7/2026, 16:49:20Snapshot expired

View network topology RDAP registration

ASN: AS4866
Registration country: United States
Name: Yahoo Holdings Inc.
Abbreviation: YAHOO-POLYV
Registration date: 9/19/2012, 17:43:35
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
192.152.66.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/24/2026, 08:00:00	11/7/2026, 08:00:00	✓	×	Currently valid
204.29.186.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/26/2026, 08:00:00	11/7/2026, 08:00:00	✓	×	Currently valid
204.29.187.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	10/26/2026, 16:00:00	11/7/2026, 08:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: Yahoo Holdings Inc.
RIR: ARIN
Registration country: United States
Registration date: 9/19/2012, 17:43:35
Abuse contact: rir-abuse@yahooinc.com

Snapshot trend

11/7/2026, 16:49:203 v40 v60 Upstream · 0 Uncertain

10/31/2026, 06:35:360 v40 v60 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn