Network topology

Relationships come from RIS AS_PATH observations; direction represents path position, not a commercial contract or traffic direction.

AS36581

Currently announcedSnapshot awaiting refresh

Hearst-Argyle Television, Inc. · WJCL-TV

Last observed10/2/2026, 23:22:17Open ASN profile →

AS36581 relationship topology

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AS36581Hearst-Argyle Televisio…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS400511CWAVEFIBER - Clearwave Communications

Relationship: Upstream
Observed weight: 307
ASN registration country: United States
Latest RIS data: 10/2/2026, 00:00:00

Open AS400511 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS400511Observed weight 307	CWAVEFIBER - Clearwave Communications	Upstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	390	0
AS7018Observed weight 210	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	272	0

CHA.LA ASN relationship snapshotRelationships are normalized by CHA.LA from collected routing observations and registration context.CHA.LA routing observations · registration context