Network topology

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

AS18558

Currently announcedSnapshot awaiting refresh

NETBLK-RCOEK - Riverside County Office of Education · NETBLK-RCOEK

Last observed9/30/2026, 22:37:52Open ASN profile →

AS18558 relationship topology

Showing 3 / 3

AS18558Riverside County Office…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS2152CENIC-2152 - CENIC

Relationship: Upstream
Observed weight: 1,012
ASN registration country: United States
Latest RIS data: 9/30/2026, 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.

3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS2152Observed weight 1,012	CENIC-2152 - CENIC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	51,862	353
AS401974Observed weight 257	Val Verde Unified School District	Downstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	335	0
AS395643Observed weight 254	Corona-Norco Unified School District	Downstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	5,296	0

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