Network topology

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

AS57538

Currently announcedSnapshot awaiting refresh

Prokuratura-Republika-Bulgaria · PRB-AS

Last observed10/5/2026, 18:13:11Open ASN profile →

AS57538 relationship topology

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AS57538Prokuratura-Republika-B…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS8866Vivacom Bulgaria EAD

Relationship: Upstream
Observed weight: 281
ASN registration country: Bulgaria
Latest RIS data: 11/10/2026, 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 281	Vivacom Bulgaria EAD	Upstream	Bulgaria	8/25/2019, 00:00:00	11/10/2026, 00:00:00	358	0

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