Network topology

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

AS31746

Currently announcedSnapshot awaiting refresh

Franklin and Marshall College · FANDM

Last observed10/2/2026, 10:21:37Open ASN profile →

AS31746 relationship topology

Showing 3 / 3

AS31746Franklin and Marshall C…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS401602Keystone REN, LLC

Relationship: Upstream
Observed weight: 214
ASN registration country: United States
Latest RIS data: 10/2/2026, 00:00:00

Open AS401602 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS401602Observed weight 214	Keystone REN, LLC	Upstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	836
AS399855Observed weight 42	Network name pending collection	Upstream	Registration country pending sync	8/21/2019, 00:00:00	10/2/2026, 00:00:00	144
AS5650Observed weight 3	FRONTIER-FRTR - Frontier Communications of America, Inc.	Upstream	United States	8/21/2019, 00:00:00	10/2/2026, 00:00:00	18

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