Network topology

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

AS29501

Currently announcedSnapshot awaiting refresh

Narodowy Fundusz Zdrowia · NFZ-POZ

Last observed10/2/2026, 04:40:04Open ASN profile →

AS29501 relationship topology

Showing 2 / 2

AS29501Narodowy Fundusz Zdrowia

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS212908ENTER-ASN Enter T&T Sp. z o.o.

Relationship: Upstream
Observed weight: 210
ASN registration country: RIR did not provide a registration country
Latest RIS data: 10/1/2026, 00:00:00

Open AS212908 profile →

All adjacent autonomous systems

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS212908Observed weight 210	ENTER-ASN Enter T&T Sp. z o.o.	Upstream	RIR did not provide a registration country	8/21/2019, 00:00:00	10/1/2026, 00:00:00	268	0
AS20552Observed weight 97	HORYZONT Horyzont Technologie Internetowe sp.z.o.o.	Upstream	Poland	8/21/2019, 00:00:00	10/1/2026, 00:00:00	121	0

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