Network topology

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

AS57697

Currently announcedSnapshot awaiting refresh

Tier-4 Ltd · tier4

Last observed10/5/2026, 18:59:15Open ASN profile →

AS57697 relationship topology

Showing 3 / 3

AS57697Tier-4 Ltd

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS42352QOS TOV 'Dream Line Holding'

Relationship: Upstream
Observed weight: 534
ASN registration country: Ukraine
Latest RIS data: 10/5/2026, 00:00:00

Open AS42352 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS42352Observed weight 534	QOS TOV 'Dream Line Holding'	Upstream	Ukraine	8/25/2019, 00:00:00	10/5/2026, 00:00:00	2,350
AS43668Observed weight 282	BIGNET-AS "AS43668" LLC	Upstream	Ukraine	8/25/2019, 00:00:00	10/5/2026, 00:00:00	398
AS41062Observed weight 271	PRO100-NET-AS ProstoHosting LTD	Downstream	Ukraine	8/25/2019, 00:00:00	10/5/2026, 00:00:00	1,720

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