Network topology

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

AS31140

Currently announcedSnapshot awaiting refresh

Bulgarian Stock Exchange AD · BSE-AS

Last observed10/2/2026, 08:45:36Open ASN profile →

AS31140 relationship topology

Showing 3 / 3

AS31140Bulgarian Stock Exchang…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS8717A1BG A1 Bulgaria EAD

Relationship: Upstream
Observed weight: 188
ASN registration country: Bulgaria
Latest RIS data: 10/2/2026, 00:00:00

Open AS8717 profile →

All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS8717Observed weight 188	A1BG A1 Bulgaria EAD	Upstream	Bulgaria	8/21/2019, 00:00:00	10/2/2026, 00:00:00	247
AS57344Observed weight 80	TELEHOUSE-AS Telehouse AD	Upstream	Bulgaria	8/21/2019, 00:00:00	10/2/2026, 00:00:00	98
AS205132Observed weight 15	BTC-SEC-AS Vivacom Bulgaria EAD	Upstream	Bulgaria	8/21/2019, 00:00:00	10/2/2026, 00:00:00	16

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