Network topology

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

AS61990

Currently announcedSnapshot awaiting refresh

Vaisala Oyj · VAISALA

Last observed10/6/2026, 08:46:55Open ASN profile →

AS61990 relationship topology

Showing 1 / 1

AS61990Vaisala Oyj

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS20904Netplaza-AS Cinia Oy

Relationship: Upstream
Observed weight: 345
ASN registration country: Finland
Latest RIS data: 10/6/2026, 00:00:00

Open AS20904 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
AS20904Observed weight 345	Netplaza-AS Cinia Oy	Upstream	Finland	8/25/2019, 00:00:00	10/6/2026, 00:00:00	660	329

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