Network topology

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

AS15373

Currently announcedSnapshot awaiting refresh

Politechnika Czestochowska · CZESTMAN-AS

Last observed9/30/2026, 14:54:58Open ASN profile →

AS15373 relationship topology

Showing 3 / 3

AS15373Politechnika Czestochow…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS8501PIONIER-AS Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center

Relationship: Upstream
Observed weight: 222
ASN registration country: Poland
Latest RIS data: 9/30/2026, 00:00:00

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All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS8501Observed weight 222	PIONIER-AS Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center	Upstream	Poland	8/19/2019, 00:00:00	9/30/2026, 00:00:00	1,626	198
AS25084Observed weight 125	CZESTMAN-COM-AS Politechnika Czestochowska	Upstream / Downstream	Poland	8/19/2019, 00:00:00	9/30/2026, 00:00:00	525	129
AS196844Observed weight 29	PIONIER-AS-ams-ix Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center	Upstream	Poland	8/19/2019, 00:00:00	9/30/2026, 00:00:00	315	29

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