Network topology

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

AS27506

Currently announcedSnapshot awaiting refresh

CROWNCASTLE-AS27506 - Crown Castle Fiber LLC · ZAYO-CCF-AS27506

Last observed10/1/2026, 23:21:58Open ASN profile →

AS27506 relationship topology

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AS27506Crown Castle Fiber LLC

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS46887CROWNCASTLE-AS46887 - Crown Castle Fiber LLC

Relationship: Upstream
Observed weight: 312
ASN registration country: United States
Latest RIS data: 10/20/2026, 16:00:00

Open AS46887 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
AS46887Observed weight 312	CROWNCASTLE-AS46887 - Crown Castle Fiber LLC	Upstream	United States	8/21/2019, 00:00:00	10/20/2026, 16:00:00	3,060	0
AS23004Observed weight 147	VIEWTRADE SECURITIES	Downstream	United States	8/21/2019, 00:00:00	10/20/2026, 16:00:00	170	0

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