Network topology

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

AS51691

Currently announcedSnapshot awaiting refresh

FSOL-AS F-Solutions Oy · FSOL-AS

Last observed10/4/2026, 18:21:24Open ASN profile →

AS51691 relationship topology

Showing 5 / 5

AS51691FSOL-AS F-Solutions Oy

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS20904Netplaza-AS Cinia Oy

Relationship: Upstream
Observed weight: 960
ASN registration country: Finland
Latest RIS data: 10/4/2026, 00:00:00

Open AS20904 profile →

All adjacent autonomous systems

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5 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS20904Observed weight 960	Netplaza-AS Cinia Oy	Upstream	Finland	8/25/2019, 00:00:00	10/4/2026, 00:00:00	1,302	810
AS719Observed weight 564	Elisa Oyj	Upstream	Finland	8/25/2019, 00:00:00	10/4/2026, 00:00:00	350	845
AS203875Observed weight 468	Henri Strand	Downstream	Finland	8/25/2019, 00:00:00	10/4/2026, 00:00:00	330	331
AS203871Observed weight 248	Antti Tonkyra	Downstream	Finland	8/25/2019, 00:00:00	10/4/2026, 00:00:00	0	332
AS60109Observed weight 244	F-Solutions Oy	Downstream	Finland	8/25/2019, 00:00:00	10/4/2026, 00:00:00	0	329

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