Network topology

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

AS6189

Currently announcedSnapshot awaiting refresh

Enoch-Pratt Free Library · EPFL-AS

Last observed9/29/2026, 14:01:33Open ASN profile →

AS6189 relationship topology

Showing 3 / 3

AS6189Enoch-Pratt Free Library

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3356LEVEL3 - Level 3 Parent, LLC

Relationship: Upstream
Observed weight: 177
ASN registration country: United States
Latest RIS data: 9/29/2026, 00:00:00

Open AS3356 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
AS3356Observed weight 177	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	450	153
AS6461Observed weight 174	ZAYO-6461 - Zayo Bandwidth	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	549	187
AS6059Observed weight 6	UMS2-ASN - University System of Maryland	Upstream	United States	8/19/2019, 00:00:00	9/29/2026, 00:00:00	18	0

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