Network topology

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

AS20743

Currently announcedSnapshot awaiting refresh

SIX Swiss Exchange AG · SWX

Last observed10/1/2026, 05:52:36Open ASN profile →

AS20743 relationship topology

Showing 2 / 2

AS20743SIX Swiss Exchange AG

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3303SWISSCOM Swisscom (Schweiz) AG

Relationship: Upstream
Observed weight: 334
ASN registration country: Switzerland
Latest RIS data: 11/9/2026, 00:00:00

Open AS3303 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
AS3303Observed weight 334	SWISSCOM Swisscom (Schweiz) AG	Upstream	Switzerland	8/21/2019, 00:00:00	11/9/2026, 00:00:00	1,058	0
AS6730Observed weight 327	Sunrise GmbH	Upstream	Switzerland	8/21/2019, 00:00:00	11/9/2026, 00:00:00	301	664

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