Network topology

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

AS3734

Currently announcedSnapshot awaiting refresh

SCCO - Santa Clara County Office of Education · SCCO

Last observed10/23/2026, 08:34:45Open ASN profile →

AS3734 relationship topology

Showing 4 / 4

AS3734Santa Clara County Offi…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS6461ZAYO-6461 - Zayo Bandwidth

Relationship: Upstream
Observed weight: 347
ASN registration country: United States
Latest RIS data: 9/29/2026, 00:00:00

Open AS6461 profile →

All adjacent autonomous systems

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4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS6461Observed weight 347	ZAYO-6461 - Zayo Bandwidth	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	2,197
AS2152Observed weight 336	CENIC-2152 - CENIC	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	2,919
AS395226Observed weight 260	SACRAMENTO-COE - Sacramento County Office of Education	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	337
AS397342Observed weight 24	Palo Alto Unified School District	Downstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	30

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