Network topology

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

AS215871

Currently announcedSnapshot awaiting refresh

xTom Japan Corporation · XTOM-JP

Last observed10/30/2026, 15:37:28Open ASN profile →

AS215871 relationship topology

Showing 4 / 4

AS215871xTom Japan Corporation

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS3258XTOM-JAPAN xTom Japan Corporation

Relationship: Upstream
Observed weight: 1,101
ASN registration country: Japan
Latest RIS data: 11/1/2026, 00:00:00

Open AS3258 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
AS3258Observed weight 1,101	XTOM-JAPAN xTom Japan Corporation	Upstream	Japan	8/25/2019, 00:00:00	11/1/2026, 00:00:00	358	1,408
AS4785Observed weight 479	XTOM-AS-JP - xTom	Upstream	Japan	9/10/2019, 00:00:00	11/1/2026, 00:00:00	328	357
AS215239Observed weight 255	Show Corporation	Downstream	Japan	8/25/2019, 00:00:00	11/1/2026, 00:00:00	0	354
AS45681Observed weight 252	SHOW - Show Corporation	Downstream	Japan	8/25/2019, 00:00:00	11/1/2026, 00:00:00	0	351

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