Network topology

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

AS44179

Currently announcedSnapshot awaiting refresh

Progress Software EAD · TELERIK-AS

Last observed10/3/2026, 20:50:46Open ASN profile →

AS44179 relationship topology

Showing 3 / 3

AS44179Progress Software EAD

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS8866VIVACOM-AS Vivacom Bulgaria EAD

Relationship: Upstream
Observed weight: 159
ASN registration country: Bulgaria
Latest RIS data: 10/3/2026, 00:00:00

Open AS8866 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
AS8866Observed weight 159	VIVACOM-AS Vivacom Bulgaria EAD	Upstream	Bulgaria	8/23/2019, 00:00:00	10/3/2026, 00:00:00	199
AS3356Observed weight 62	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/23/2019, 00:00:00	10/3/2026, 00:00:00	79
AS8717Observed weight 61	A1BG A1 Bulgaria EAD	Upstream	Bulgaria	8/23/2019, 00:00:00	10/3/2026, 00:00:00	84

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