Network topology

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

AS40167

Currently announcedSnapshot awaiting refresh

Schiffrin & Barroway, LLP · SCHIFFRINBARROWAY

Last observed10/3/2026, 08:40:01Open ASN profile →

AS40167 relationship topology

Showing 2 / 2

AS40167Schiffrin & Barroway, L…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS30372Zayo Bandwidth

Relationship: Upstream
Observed weight: 130
ASN registration country: United States
Latest RIS data: 10/3/2026, 00:00:00

Open AS30372 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS30372Observed weight 130	Zayo Bandwidth	Upstream	United States	8/23/2019, 00:00:00	10/3/2026, 00:00:00	195	0
AS174Observed weight 127	COGENT-174 - Cogent Communications, LLC	Upstream	United States	8/23/2019, 00:00:00	10/3/2026, 00:00:00	147	0

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