Network topology

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

AS2143

Currently announcedSnapshot awaiting refresh

National Aeronautics and Space Administration · AS2143

Last observed11/3/2026, 02:49:13Open ASN profile →

AS2143 relationship topology

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AS2143National Aeronautics an…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS270AS270 - National Aeronautics and Space Administration

Relationship: Upstream
Observed weight: 276
ASN registration country: United States
Latest RIS data: 11/2/2026, 00:00:00

Open AS270 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
AS270Observed weight 276	AS270 - National Aeronautics and Space Administration	Upstream	United States	8/19/2019, 00:00:00	11/2/2026, 00:00:00	983	0

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