Network topology

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

AS43713

Currently announcedSnapshot awaiting refresh

MOSTBG-AS MOST Computers Ltd. · MOSTBG-AS

Last observed10/28/2026, 09:42:33Open ASN profile →

AS43713 relationship topology

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AS43713MOSTBG-AS MOST Computer…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS8866VIVACOM-AS Vivacom Bulgaria EAD

Relationship: Upstream
Observed weight: 285
ASN registration country: Bulgaria
Latest RIS data: 10/3/2026, 00:00:00

Open AS8866 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
AS8866Observed weight 285	VIVACOM-AS Vivacom Bulgaria EAD	Upstream	Bulgaria	8/23/2019, 00:00:00	10/3/2026, 00:00:00	363	0

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