Network topology

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

AS28837

Currently announcedSnapshot awaiting refresh

AS-HR-NET Avola Solutions d.o.o. · AS-HR-NET

Last observed10/2/2026, 03:05:08Open ASN profile →

AS28837 relationship topology

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AS28837AS-HR-NET Avola Solutio…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS203964x4TEL-AS 4Tel Telekomunikacije d.o.o.

Relationship: Upstream
Observed weight: 280
ASN registration country: Croatia
Latest RIS data: 10/1/2026, 00:00:00

Open AS203964 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
AS203964Observed weight 280	x4TEL-AS 4Tel Telekomunikacije d.o.o.	Upstream	Croatia	8/21/2019, 00:00:00	10/1/2026, 00:00:00	378	0

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