Network topology

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

AS33677

Currently announcedSnapshot awaiting refresh

509FIBER - 509fiber · 509FIBER

Last observed10/2/2026, 16:03:34Open ASN profile →

AS33677 relationship topology

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AS33677509fiber

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS27373Douglas County PUD

Relationship: Upstream
Observed weight: 301
ASN registration country: United States
Latest RIS data: 10/22/2026, 00:00:00

Open AS27373 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
AS27373Observed weight 301	Douglas County PUD	Upstream	United States	8/21/2019, 00:00:00	10/22/2026, 00:00:00	200	175

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