Network topology

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

AS21939

Currently announcedSnapshot awaiting refresh

PCCUA-AS - Phillips Community College of the University of Arkansas · PCCUA-AS

Last observed10/1/2026, 08:36:23Open ASN profile →

AS21939 relationship topology

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AS21939Phillips Community Coll…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS40581AREON-AS - Arkansas Research and Education Optical Network

Relationship: Upstream
Observed weight: 236
ASN registration country: United States
Latest RIS data: 10/1/2026, 00:00:00

Open AS40581 profile →

All adjacent autonomous systems

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1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS40581Observed weight 236	AREON-AS - Arkansas Research and Education Optical Network	Upstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	0	654

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