Network topology

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

AS19480

Currently announcedSnapshot awaiting refresh

CPL - CHICAGO PUBLIC LIBRARY · CPL

Last observed10/11/2026, 22:57:03Open ASN profile →

AS19480 relationship topology

Showing 2 / 2

AS19480CHICAGO PUBLIC LIBRARY

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS6079RCN-AS - RCN

Relationship: Upstream
Observed weight: 257
ASN registration country: United States
Latest RIS data: 10/11/2026, 00:00:00

Open AS6079 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS6079Observed weight 257	RCN-AS - RCN	Upstream	United States	8/19/2019, 00:00:00	10/11/2026, 00:00:00	658	0
AS6325Observed weight 9	ILLINOIS-CENTURY - Illinois Century Network	Upstream	United States	8/19/2019, 00:00:00	10/11/2026, 00:00:00	10	0

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