Network topology

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

AS57223

Currently announcedSnapshot awaiting refresh

SIA NETVISION · NOVA-ASN

Last observed10/5/2026, 16:40:15Open ASN profile →

AS57223 relationship topology

Showing 2 / 2

AS57223SIA NETVISION

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS43513NANO-AS Sia Nano IT

Relationship: Upstream
Observed weight: 296
ASN registration country: Latvia
Latest RIS data: 10/5/2026, 00:00:00

Open AS43513 profile →

All adjacent autonomous systems

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

2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS43513Observed weight 296	NANO-AS Sia Nano IT	Upstream	Latvia	8/25/2019, 00:00:00	10/5/2026, 00:00:00	1,405	0
AS204130Observed weight 22	DLV, sia	Downstream	Latvia	8/25/2019, 00:00:00	10/5/2026, 00:00:00	25	0

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