Network topology

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

AS33903

Currently announcedSnapshot awaiting refresh

Closed Joint Stock Company CROC incorporated · CROC-AS

Last observed10/30/2026, 19:01:58Open ASN profile →

AS33903 relationship topology

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AS33903Closed Joint Stock Comp…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS199599CIREX Telecom-Birzha, LLC

Relationship: Upstream
Observed weight: 281
ASN registration country: Russia
Latest RIS data: 10/30/2026, 00:00:00

Open AS199599 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
AS199599Observed weight 281	CIREX Telecom-Birzha, LLC	Upstream	Russia	8/21/2019, 00:00:00	10/30/2026, 00:00:00	349	0
AS51219Observed weight 18	K2 Integration JSC	Upstream	Russia	8/21/2019, 00:00:00	10/30/2026, 00:00:00	21	0

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