Network topology

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

AS203501

Currently announcedSnapshot awaiting refresh

Emarsys North America, Inc · EMARSYS-US-AS

Last observed10/10/2026, 14:32:43Open ASN profile →

AS203501 relationship topology

Showing 3 / 3

AS203501Emarsys North America, …

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS199236EMARSYS-AS EMARSYS eMarketing Systems GmbH

Relationship: Upstream
Observed weight: 268
ASN registration country: Austria
Latest RIS data: 11/9/2026, 00:00:00

Open AS199236 profile →

All adjacent autonomous systems

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3 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4
AS199236Observed weight 268	EMARSYS-AS EMARSYS eMarketing Systems GmbH	Upstream	Austria	8/28/2019, 00:00:00	11/9/2026, 00:00:00	5,100
AS1299Observed weight 154	TWELVE99 Arelion Sweden AB	Upstream	Sweden	8/28/2019, 00:00:00	11/9/2026, 00:00:00	1,308
AS6461Observed weight 140	ZAYO-6461 - Zayo Bandwidth	Upstream	United States	8/28/2019, 00:00:00	11/9/2026, 00:00:00	1,344

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