Network topology

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

AS1493

Currently announcedSnapshot awaiting refresh

Headquarters, USAISC · DNIC-ASBLK-01492-01493

Last observed9/29/2026, 07:49:25Open ASN profile →

AS1493 relationship topology

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AS1493Headquarters, USAISC

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS1540DNIC-ASBLK-01534-01546 - Headquarters, USAISC

Relationship: Upstream
Observed weight: 539
ASN registration country: United States
Latest RIS data: 9/29/2026, 00:00:00

Open AS1540 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
AS1540Observed weight 539	DNIC-ASBLK-01534-01546 - Headquarters, USAISC	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	10,631	0

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