Network topology

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

AS51383

Currently announcedSnapshot awaiting refresh

S Group International JSC · SGROUP

Last observed10/4/2026, 17:33:25Open ASN profile →

AS51383 relationship topology

Showing 2 / 2

AS51383S Group International J…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS8717A1BG A1 Bulgaria EAD

Relationship: Upstream
Observed weight: 218
ASN registration country: Bulgaria
Latest RIS data: 10/4/2026, 00:00:00

Open AS8717 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
AS8717Observed weight 218	A1BG A1 Bulgaria EAD	Upstream	Bulgaria	8/25/2019, 00:00:00	10/4/2026, 00:00:00	288	0
AS205132Observed weight 65	BTC-SEC-AS Vivacom Bulgaria EAD	Upstream	Bulgaria	8/25/2019, 00:00:00	10/4/2026, 00:00:00	72	0

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