Network topology

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

AS16

Currently announcedSnapshot awaiting refresh

Lawrence Berkeley National Laboratory · LBL

Last observed10/30/2026, 14:46:29Open ASN profile →

AS16 relationship topology

Showing 3 / 3

AS16Lawrence Berkeley Natio…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS293ESNET - ESnet

Relationship: Upstream
Observed weight: 276
ASN registration country: United States
Latest RIS data: 10/30/2026, 00:00:00

Open AS293 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
AS293Observed weight 276	ESNET - ESnet	Upstream	United States	8/19/2019, 00:00:00	10/30/2026, 00:00:00	712	89
AS2152Observed weight 205	CENIC-2152 - CENIC	Upstream	United States	8/19/2019, 00:00:00	10/30/2026, 00:00:00	56	262
AS2153Observed weight 2	CENIC-2153 - CENIC	Upstream	United States	8/19/2019, 00:00:00	10/30/2026, 00:00:00	4	0

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