Network topology

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

AS212533

Currently announcedSnapshot awaiting refresh

AS_BST DP BULGARIAN SPORTS TOTALIZATOR · AS_BST

Last observed11/11/2026, 00:00:00Open ASN profile →

AS212533 relationship topology

Showing 2 / 2

AS212533AS_BST DP BULGARIAN SPO…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS8717A1BG A1 Bulgaria EAD

Relationship: Upstream
Observed weight: 250
ASN registration country: Bulgaria
Latest RIS data: 11/11/2026, 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	Visible prefixes	Collectors
AS8717Observed weight 250	A1BG A1 Bulgaria EAD	Upstream	Bulgaria	8/28/2019, 00:00:00	11/11/2026, 00:00:00	1	1
AS205132Observed weight 19	BTC-SEC-AS Vivacom Bulgaria EAD	Upstream	Bulgaria	8/28/2019, 00:00:00	11/10/2026, 00:00:00	1	1

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