Network topology

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

AS51653

Currently announcedSnapshot awaiting refresh

PRESNET-AS PRESNET s.r.o. · PRESNET-AS

Last observed10/4/2026, 18:19:31Open ASN profile →

AS51653 relationship topology

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AS51653PRESNET-AS PRESNET s.r.…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS29405VNET a.s.

Relationship: Upstream
Observed weight: 467
ASN registration country: Slovakia
Latest RIS data: 10/30/2026, 00:00:00

Open AS29405 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS29405Observed weight 467	VNET a.s.	Upstream	Slovakia	8/25/2019, 00:00:00	10/30/2026, 00:00:00	3,185
AS48326Observed weight 147	datanetworks DataNetworks s.r.o.	Upstream	Slovakia	8/25/2019, 00:00:00	10/30/2026, 00:00:00	1,554
AS42005Observed weight 20	LIGHTSTORM-COMMUNICATIONS-SRO-SK-AS LightStorm Services s.r.o.	Upstream	Slovakia	8/25/2019, 00:00:00	10/30/2026, 00:00:00	80

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