Network topology

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

AS206591

Currently announcedSnapshot awaiting refresh

Alza.cz a.s. · ALZACZ-AS

Last observed10/11/2026, 03:54:54Open ASN profile →

AS206591 relationship topology

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AS206591Alza.cz a.s.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS199803ComSource ComSource s.r.o.

Relationship: Upstream
Observed weight: 258
ASN registration country: Czechia
Latest RIS data: 10/10/2026, 00:00:00

Open AS199803 profile →

All adjacent autonomous systems

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1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS199803Observed weight 258	ComSource ComSource s.r.o.	Upstream	Czechia	8/28/2019, 00:00:00	10/10/2026, 00:00:00	334	0

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