Network topology

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

AS18643

Currently announcedSnapshot awaiting refresh

SMART CITY NETWORKS, LIMITED PARTNERSHIP · SMART-CITY-TACC

Last observed9/30/2026, 22:59:25Open ASN profile →

AS18643 relationship topology

Showing 2 / 2

AS18643SMART CITY NETWORKS, LI…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS33132CROWNCASTLE-AS33132 - Crown Castle Fiber LLC

Relationship: Upstream
Observed weight: 252
ASN registration country: United States
Latest RIS data: 9/30/2026, 00:00:00

Open AS33132 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
AS33132Observed weight 252	CROWNCASTLE-AS33132 - Crown Castle Fiber LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	620	0
AS5650Observed weight 19	Verizon Business	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	48	0

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