Network topology

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

AS3140

Currently announcedSnapshot awaiting refresh

TJHSST-AS - The Thomas Jefferson High School for Science and Tech. · TJHSST-AS

Last observed9/29/2026, 09:48:37Open ASN profile →

AS3140 relationship topology

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AS3140The Thomas Jefferson Hi…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS40220MARIA - Virginia Polytechnic Institute and State Univ.

Relationship: Upstream
Observed weight: 340
ASN registration country: United States
Latest RIS data: 9/29/2026, 00:00:00

Open AS40220 profile →

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1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS40220Observed weight 340	MARIA - Virginia Polytechnic Institute and State Univ.	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	336	333

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