Network topology

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

AS12591

Currently announcedSnapshot awaiting refresh

SMARTCOMBG Smartcom Bulgaria AD · SMARTCOMBG

Last observed9/30/2026, 07:21:19Open ASN profile →

AS12591 relationship topology

Showing 2 / 2

AS12591SMARTCOMBG Smartcom Bul…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS8717A1BG A1 Bulgaria EAD

Relationship: Upstream
Observed weight: 428
ASN registration country: Bulgaria
Latest RIS data: 9/29/2026, 16:00:00

Open AS8717 profile →

All adjacent autonomous systems

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

2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS8717Observed weight 428	A1BG A1 Bulgaria EAD	Upstream	Bulgaria	8/19/2019, 00:00:00	9/29/2026, 16:00:00	958	361
AS8262Observed weight 49	EVOLINK-AS Evolink EAD	Upstream	Bulgaria	8/19/2019, 00:00:00	9/29/2026, 16:00:00	65	2

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