Network topology

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

AS18136

Currently announcedSnapshot awaiting refresh

CTA - JCOM Co., Ltd. · CTA

Last observed9/30/2026, 21:47:40Open ASN profile →

AS18136 relationship topology

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AS18136JCOM Co., Ltd.

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS9824JTCL-JP-AS - JCOM Co., Ltd.

Relationship: Upstream
Observed weight: 534
ASN registration country: Japan
Latest RIS data: 10/29/2026, 00:00:00

Open AS9824 profile →

All adjacent autonomous systems

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1 relationships

ASN	Organization	Relationship	ASN registration country	RIS observation start	Latest RIS data	IPv4	IPv6
AS9824Observed weight 534	JTCL-JP-AS - JCOM Co., Ltd.	Upstream	Japan	8/19/2019, 00:00:00	10/29/2026, 00:00:00	5,950	0

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