Network topology

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

AS48290

Currently announcedSnapshot awaiting refresh

Gruenenthal Pharma GmbH & Co. KG · GRTHL-AS

Last observed10/4/2026, 08:03:54Open ASN profile →

AS48290 relationship topology

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AS48290Gruenenthal Pharma GmbH…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS8422NETCOLOGNE NetCologne Gesellschaft fur Telekommunikation mbH

Relationship: Upstream
Observed weight: 166
ASN registration country: Germany
Latest RIS data: 10/4/2026, 00:00:00

Open AS8422 profile →

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2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS8422Observed weight 166	NETCOLOGNE NetCologne Gesellschaft fur Telekommunikation mbH	Upstream	Germany	8/23/2019, 00:00:00	10/4/2026, 00:00:00	215	0
AS9002Observed weight 102	RETN-AS RETN Limited	Upstream	United Kingdom	8/23/2019, 00:00:00	10/4/2026, 00:00:00	129	0

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