Network topology

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

AS51203

Currently announcedSnapshot awaiting refresh

BM5 Bartosz Malinowski · BM5-AS

Last observed10/4/2026, 17:08:16Open ASN profile →

AS51203 relationship topology

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AS51203BM5 Bartosz Malinowski

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS44655METROLINE-AS MetroLine Sp. z o.o.

Relationship: Upstream
Observed weight: 264
ASN registration country: Poland
Latest RIS data: 10/27/2026, 08:00:00

Open AS44655 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
AS44655Observed weight 264	METROLINE-AS MetroLine Sp. z o.o.	Upstream	Poland	8/25/2019, 00:00:00	10/27/2026, 08:00:00	334	0

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