Network topology

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

AS48328

Currently announcedSnapshot awaiting refresh

retarus GmbH · RETARUS-GLOBAL

Last observed10/4/2026, 08:23:19Open ASN profile →

AS48328 relationship topology

Showing 4 / 4

AS48328retarus GmbH

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS1299TWELVE99 Arelion Sweden AB

Relationship: Upstream
Observed weight: 296
ASN registration country: Sweden
Latest RIS data: 11/2/2026, 00:00:00

Open AS1299 profile →

All adjacent autonomous systems

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4 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS1299Observed weight 296	TWELVE99 Arelion Sweden AB	Upstream	Sweden	8/23/2019, 00:00:00	11/2/2026, 00:00:00	2,278	1,408
AS8767Observed weight 210	MNET-AS M-net Telekommunikations GmbH	Upstream	Germany	8/23/2019, 00:00:00	11/2/2026, 00:00:00	1,386	863
AS3356Observed weight 194	LEVEL3 - Level 3 Parent, LLC	Upstream	United States	8/23/2019, 00:00:00	11/2/2026, 00:00:00	1,388	710
AS6453Observed weight 124	AS6453 - TATA COMMUNICATIONS (AMERICA) INC	Upstream	United States	8/23/2019, 00:00:00	11/2/2026, 00:00:00	281	362

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