Network topology

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

AS211334

Currently announcedSnapshot awaiting refresh

MASTER IT Technologies, a.s. · Master_IT_Technologies-2

Last observed10/12/2026, 09:44:02Open ASN profile →

AS211334 relationship topology

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AS211334MASTER IT Technologies,…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS12570ITSELF O2 Czech Republic, a.s.

Relationship: Upstream
Observed weight: 252
ASN registration country: Czechia
Latest RIS data: 10/12/2026, 00:00:00

Open AS12570 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
AS12570Observed weight 252	ITSELF O2 Czech Republic, a.s.	Upstream	Czechia	8/28/2019, 00:00:00	10/12/2026, 00:00:00	332	0

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