Autonomous system profile

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

AS36574

Announcement observedARIN

Hearst-Argyle Television, Inc. · WYFF-TV

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

Last active10/2/2026, 23:21:54Snapshot expired

View network topology RDAP registration

ASN: AS36574
Registration country: United States
Name: Hearst-Argyle Television, Inc.
Abbreviation: WYFF-TV
Registration date: 2/2/2006, 17:40:07
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
167.173.216.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 16:00:00	10/20/2026, 08:00:00	✓	×	Currently valid
167.173.24.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/18/2026, 16:00:00	10/20/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: Hearst-Argyle Television, Inc.
RIR: ARIN
Registration country: United States
Registration date: 2/2/2006, 17:40:07
Abuse contact: HTS-ARIN-Admin@hearst.com

Snapshot trend

10/2/2026, 23:21:542 v40 v62 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