Network topology

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

AS43866

Currently announcedSnapshot awaiting refresh

ALTRON Altron a.s. · ALTRON

Last observed10/3/2026, 19:46:20Open ASN profile →

AS43866 relationship topology

Showing 2 / 2

AS43866ALTRON Altron a.s.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS5610O2-CZECH-REPUBLIC O2 Czech Republic, a.s.

Relationship: Upstream
Observed weight: 256
ASN registration country: Czechia
Latest RIS data: 10/3/2026, 00:00:00

Open AS5610 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS5610Observed weight 256	O2-CZECH-REPUBLIC O2 Czech Republic, a.s.	Upstream	Czechia	8/23/2019, 00:00:00	10/3/2026, 00:00:00	397	0
AS39791Observed weight 209	TPS-AS Telco Pro Services, a. s.	Upstream	Czechia	8/23/2019, 00:00:00	10/3/2026, 00:00:00	274	0

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