Network topology

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

AS20609

Currently announcedSnapshot awaiting refresh

kazaczsro KAZA.cz s.r.o. · kazaczsro

Last observed10/25/2026, 03:55:15Open ASN profile →

AS20609 relationship topology

Showing 3 / 3

AS20609kazaczsro KAZA.cz s.r.o.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS25512CDT-AS CD-Telematika a.s.

Relationship: Upstream
Observed weight: 380
ASN registration country: Czechia
Latest RIS data: 10/24/2026, 08:00:00

Open AS25512 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS25512Observed weight 380	CDT-AS CD-Telematika a.s.	Upstream	Czechia	8/21/2019, 00:00:00	10/24/2026, 08:00:00	648	11
AS16019Observed weight 233	VODAFONE-CZ-AS Vodafone Czech Republic a.s.	Upstream	Czechia	8/21/2019, 00:00:00	10/24/2026, 08:00:00	172	257
AS204570Observed weight 219	KAZA.cz s.r.o.	Downstream	Czechia	8/21/2019, 00:00:00	10/24/2026, 08:00:00	272	0

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