Network topology

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

AS13752

Currently announcedSnapshot awaiting refresh

P1FCU-01 - P1FCU · P1FCU-01

Last observed9/30/2026, 10:07:10Open ASN profile →

AS13752 relationship topology

Showing 2 / 2

AS13752P1FCU

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS23138FIRST STEP INTERNET, LLC

Relationship: Upstream
Observed weight: 179
ASN registration country: United States
Latest RIS data: 9/30/2026, 00:00:00

Open AS23138 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
AS23138Observed weight 179	FIRST STEP INTERNET, LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	251	0
AS3356Observed weight 96	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/19/2019, 00:00:00	9/30/2026, 00:00:00	127	0

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