Network topology

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

AS6873

Currently announcedSnapshot awaiting refresh

Librum Sp. z o.o. · LIBRUM-AS

Last observed9/29/2026, 15:16:53Open ASN profile →

AS6873 relationship topology

Showing 4 / 4

AS6873Librum Sp. z o.o.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS12741AS-NETIA Netia SA

Relationship: Upstream
Observed weight: 258
ASN registration country: Poland
Latest RIS data: 11/2/2026, 00:00:00

Open AS12741 profile →

All adjacent autonomous systems

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4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS12741Observed weight 258	AS-NETIA Netia SA	Upstream	Poland	8/19/2019, 00:00:00	11/2/2026, 00:00:00	710
AS198709Observed weight 101	INFOSERWIS-NETWORK Jacek Jarosz trading as Info Serwis	Upstream	Poland	8/19/2019, 00:00:00	11/2/2026, 00:00:00	249
AS12912Observed weight 47	TMPL T-Mobile Polska S.A.	Upstream	Poland	8/19/2019, 00:00:00	11/2/2026, 00:00:00	120
AS5617Observed weight 28	TPNET Orange Polska Spolka Akcyjna	Upstream	Poland	8/19/2019, 00:00:00	11/2/2026, 00:00:00	61

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