Network topology

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

AS15507

Currently announcedSnapshot awaiting refresh

IT3GNS-P4-AS P4 Sp. z o.o. · IT3GNS-P4-AS

Last observed9/30/2026, 14:59:59Open ASN profile →

AS15507 relationship topology

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AS15507IT3GNS-P4-AS P4 Sp. z o…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS39603P4NET P4 Sp. z o.o.

Relationship: Upstream
Observed weight: 359
ASN registration country: Poland
Latest RIS data: 11/2/2026, 00:00:00

Open AS39603 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
AS39603Observed weight 359	P4NET P4 Sp. z o.o.	Upstream	Poland	8/19/2019, 00:00:00	11/2/2026, 00:00:00	328	331

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