Network topology

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

AS29321

Currently announcedSnapshot awaiting refresh

CentroNetAS O2 Czech Republic, a.s. · CentroNetAS

Last observed10/2/2026, 04:16:50Open ASN profile →

AS29321 relationship topology

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AS29321CentroNetAS O2 Czech Re…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS16246AS16246 O2 Czech Republic, a.s.

Relationship: Upstream
Observed weight: 340
ASN registration country: Czechia
Latest RIS data: 10/1/2026, 00:00:00

Open AS16246 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
AS16246Observed weight 340	AS16246 O2 Czech Republic, a.s.	Upstream	Czechia	8/21/2019, 00:00:00	10/1/2026, 00:00:00	1,659	335

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