Network topology

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

AS32457

Currently announcedSnapshot awaiting refresh

City of Houston · AS32457

Last observed10/2/2026, 12:04:16Open ASN profile →

AS32457 relationship topology

Showing 3 / 3

AS32457City of Houston

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS394437PSLIGHTWAVE - PS Lightwave

Relationship: Upstream
Observed weight: 361
ASN registration country: United States
Latest RIS data: 10/2/2026, 00:00:00

Open AS394437 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS394437Observed weight 361	PSLIGHTWAVE - PS Lightwave	Upstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	2,777
AS13767Observed weight 258	DATABANK-DFW - DataBank Holdings, Ltd.	Upstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	332
AS46887Observed weight 163	CROWNCASTLE-AS46887 - Crown Castle Fiber LLC	Upstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	1,562

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