Network topology

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

AS17680

Currently announcedSnapshot awaiting refresh

SCS - SCSK Corporation · SCS

Last observed9/30/2026, 20:35:28Open ASN profile →

AS17680 relationship topology

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AS17680SCSK Corporation

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS4693CSK

Relationship: Upstream
Observed weight: 267
ASN registration country: Japan
Latest RIS data: 9/30/2026, 00:00:00

Open AS4693 profile →

All adjacent autonomous systems

The table preserves every relationship in the selected filter; graph limits and pagination never remove data.

1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS4693Observed weight 267	CSK	Upstream	Japan	8/19/2019, 00:00:00	9/30/2026, 00:00:00	666	0

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