Network topology

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

AS3364

Currently announcedSnapshot awaiting refresh

Computer Systems Design Company · CSDCO-AS

Last observed9/29/2026, 10:32:19Open ASN profile →

AS3364 relationship topology

Showing 3 / 3

AS3364Computer Systems Design…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3356LEVEL3 - Level 3 Parent, LLC

Relationship: Upstream
Observed weight: 247
ASN registration country: United States
Latest RIS data: 9/29/2026, 00:00:00

Open AS3356 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS3356Observed weight 247	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	1,243
AS701Observed weight 18	UUNET - Verizon Business	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	61
AS7018Observed weight 10	ATT-INTERNET4 - AT&T Enterprises, LLC	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	35

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