Network topology

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

AS673

Currently announcedSnapshot awaiting refresh

Headquarters, USAISC · DNIC-AS-00673

Last observed9/29/2026, 06:38:29Open ASN profile →

AS673 relationship topology

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AS673Headquarters, USAISC

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS1733United States Department of Defense (DoD)

Relationship: Upstream
Observed weight: 253
ASN registration country: United States
Latest RIS data: 9/28/2026, 00:00:00

Open AS1733 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
AS1733Observed weight 253	United States Department of Defense (DoD)	Upstream	United States	8/19/2019, 00:00:00	9/28/2026, 00:00:00	331	0

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