Network topology

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

AS201318

Currently announcedSnapshot awaiting refresh

SuedwestfalenIT-AS Suedwestfalen-IT · SuedwestfalenIT-AS

Last observed10/10/2026, 01:06:31Open ASN profile →

AS201318 relationship topology

Showing 2 / 2

AS201318SuedwestfalenIT-AS Sued…

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS33891CORE-BACKBONE Core-Backbone GmbH

Relationship: Upstream
Observed weight: 302
ASN registration country: Germany
Latest RIS data: 10/16/2026, 00:00:00

Open AS33891 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
AS33891Observed weight 302	CORE-BACKBONE Core-Backbone GmbH	Upstream	Germany	8/28/2019, 00:00:00	10/16/2026, 00:00:00	911	110
AS3209Observed weight 188	VODANET Vodafone GmbH	Upstream	Germany	8/28/2019, 00:00:00	10/16/2026, 00:00:00	106	233

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