Network topology

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

AS21708

Currently announcedSnapshot awaiting refresh

SDCOE - San Diego County Office of Education · SDCOE

Last observed10/1/2026, 07:53:47Open ASN profile →

AS21708 relationship topology

Showing 2 / 2

AS21708San Diego County Office…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS2152CENIC-2152 - CENIC

Relationship: Upstream
Observed weight: 299
ASN registration country: United States
Latest RIS data: 10/1/2026, 00:00:00

Open AS2152 profile →

All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS2152Observed weight 299	CENIC-2152 - CENIC	Upstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	1,086	0
AS394917Observed weight 39	San Diego Unified School District	Downstream	United States	8/21/2019, 00:00:00	10/1/2026, 00:00:00	83	0

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