Network topology

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

AS400685

Currently announcedSnapshot awaiting refresh

City of Naperville · NAPER-AS-01

Last observed11/1/2026, 20:54:32Open ASN profile →

AS400685 relationship topology

Showing 1 / 1

AS400685City of Naperville

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS11417NIU - Northern Illinois University

Relationship: Upstream
Observed weight: 251
ASN registration country: United States
Latest RIS data: 11/1/2026, 00:00:00

Open AS11417 profile →

All adjacent autonomous systems

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

1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS11417Observed weight 251	NIU - Northern Illinois University	Upstream	United States	9/19/2019, 00:00:00	11/1/2026, 00:00:00	327	0

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