Network topology

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

AS28820

Currently announcedSnapshot awaiting refresh

INTERTEL-AS Eastern Telecommunication Company EAD · INTERTEL-AS

Last observed10/2/2026, 03:04:45Open ASN profile →

AS28820 relationship topology

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AS28820INTERTEL-AS Eastern Tel…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS43561NET1-AS Vivacom Bulgaria EAD

Relationship: Upstream
Observed weight: 283
ASN registration country: Bulgaria
Latest RIS data: 10/1/2026, 00:00:00

Open AS43561 profile →

All adjacent autonomous systems

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1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS43561Observed weight 283	NET1-AS Vivacom Bulgaria EAD	Upstream	Bulgaria	8/21/2019, 00:00:00	10/1/2026, 00:00:00	724	0

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