AS36580 — HATV-DC

AS36580 announces 2 IPv4 prefixes covering 512 addresses and 0 IPv6 prefixes.

About this network

HATV-DC is the autonomous system for Hearst Television, a broadcasting subsidiary of Hearst Corporation.

What it's used for

• The address space is registered under the netname HEARSTCORP for both announced prefixes, indicating internal corporate infrastructure rather than public access services.
• The AS announces 512 IPv4 addresses across 2 prefixes with 2 observed neighbours, a ratio consistent with a small, self-contained corporate network segmenting its internal estate.

Notable

• The RDAP registrants for both prefixes are listed as Hearst Corporation, which aligns with the announcer's identity as a subsidiary of the same parent company.
• The operator was formerly known as Hearst-Argyle Television, Inc., reflecting a corporate rename within the Hearst Communications family.
• The inventory consists of two /24 blocks (167.173.30.0/24 and 167.173.222.0/24) with no IPv6 prefixes announced.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 167.173.30.0/24
• 167.173.222.0/24

Upstream networks

• AS701 Verizon Business
• AS6079 RCN

Adjacent networks

• AS701 Verizon Business
• AS6079 RCN

Routing security

• RPKI: 0 valid, 0 invalid and 2 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-RCN-CUSTOMER.