Network topology

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

AS17947

Currently announcedSnapshot awaiting refresh

S-UTOPIA - SAKURA KCS Corporation. · S-UTOPIA

Last observed9/30/2026, 21:03:44Open ASN profile →

AS17947 relationship topology

Showing 2 / 2

AS17947SAKURA KCS Corporation.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS2497IIJ - Internet Initiative Japan Inc.

Relationship: Upstream
Observed weight: 222
ASN registration country: Japan
Latest RIS data: 9/30/2026, 00:00:00

Open AS2497 profile →

All adjacent autonomous systems

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

2 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS2497Observed weight 222	IIJ - Internet Initiative Japan Inc.	Upstream	Japan	8/19/2019, 00:00:00	9/30/2026, 00:00:00	511	0
AS10010Observed weight 44	TOKAI - TOKAI Communications Corporation	Upstream	Japan	8/19/2019, 00:00:00	9/30/2026, 00:00:00	155	0

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