Network topology

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

AS18521

Currently announcedSnapshot awaiting refresh

American Campus Communities, Inc · AMERICAN-CAMPUS-COMMUNITIES

Last observed9/30/2026, 22:36:32Open ASN profile →

AS18521 relationship topology

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AS18521American Campus Communi…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS11427TWC-11427-TEXAS - Charter Communications Inc

Relationship: Upstream
Observed weight: 271
ASN registration country: United States
Latest RIS data: 11/1/2026, 00:00:00

Open AS11427 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
AS11427Observed weight 271	TWC-11427-TEXAS - Charter Communications Inc	Upstream	United States	8/19/2019, 00:00:00	11/1/2026, 00:00:00	358	0

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