Network topology

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

AS40919

Currently announcedSnapshot awaiting refresh

FIDELITY EXPRESS · FIDELITYEXPRESS

Last observed10/3/2026, 10:36:47Open ASN profile →

AS40919 relationship topology

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AS40919FIDELITY EXPRESS

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS19108SUDDENLINK-COMMUNICATIONS - Optimum

Relationship: Upstream
Observed weight: 262
ASN registration country: United States
Latest RIS data: 10/3/2026, 00:00:00

Open AS19108 profile →

All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS19108Observed weight 262	SUDDENLINK-COMMUNICATIONS - Optimum	Upstream	United States	8/23/2019, 00:00:00	10/3/2026, 00:00:00	335	0

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