Network topology

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

AS18663

Currently announcedSnapshot awaiting refresh

University of the Pacific · UOP-AS

Last observed9/30/2026, 22:59:55Open ASN profile →

AS18663 relationship topology

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AS18663University of the Pacif…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS16504GRANITE - Granite Telecommunications LLC

Relationship: Upstream
Observed weight: 256
ASN registration country: United States
Latest RIS data: 9/30/2026, 00:00:00

Open AS16504 profile →

All adjacent autonomous systems

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4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS16504Observed weight 256	GRANITE - Granite Telecommunications LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	329
AS3356Observed weight 252	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	645
AS33651Observed weight 9	CMCS - Comcast Cable Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	12
AS33667Observed weight 7	CMCS - Comcast Cable Communications, LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	10

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