Network topology

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

AS397871

Currently announcedSnapshot awaiting refresh

City Of Detroit · COD-PUBLIC-148

Last observed11/10/2026, 21:39:54Open ASN profile →

AS397871 relationship topology

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AS397871City Of Detroit

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS33668CMCS - Comcast Cable Communications, LLC

Relationship: Upstream
Observed weight: 254
ASN registration country: United States
Latest RIS data: 11/10/2026, 00:00:00

Open AS33668 profile →

All adjacent autonomous systems

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1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS33668Observed weight 254	CMCS - Comcast Cable Communications, LLC	Upstream	United States	10/2/2019, 00:00:00	11/10/2026, 00:00:00	330	0

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