Network topology

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

AS40156

Currently announcedSnapshot awaiting refresh

The Optimal Link Corporation · THEOPT-HOU

Last observed10/3/2026, 08:39:43Open ASN profile →

AS40156 relationship topology

Showing 4 / 4

AS40156The Optimal Link Corpor…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3356LEVEL3 - Level 3 Parent, LLC

Relationship: Upstream
Observed weight: 429
ASN registration country: United States
Latest RIS data: 10/31/2026, 00:00:00

Open AS3356 profile →

All adjacent autonomous systems

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4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS3356Observed weight 429	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/23/2019, 00:00:00	10/31/2026, 00:00:00	2,136	609
AS174Observed weight 355	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/23/2019, 00:00:00	10/31/2026, 00:00:00	1,717	375
AS153393Observed weight 255	RACKVOLT-AS-AP - RACKVOLT CLOUD SOLUTIONS PRIVATE LIMITED	Downstream	India	8/23/2019, 00:00:00	10/31/2026, 00:00:00	330	0
AS402084Observed weight 181	AES Services LLC	Downstream	United States	8/23/2019, 00:00:00	10/31/2026, 00:00:00	220	0

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