Network topology

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

AS151379

Currently announcedSnapshot awaiting refresh

NCJ

Last observed11/8/2026, 07:47:59Open ASN profile →

AS151379 relationship topology

Showing 1 / 1

AS151379NCJ

UpstreamDownstreamUncertain relationshipNodes are ordered by observed weight

SELECTED NODEAS17511OPTAGE - OPTAGE Inc.

Relationship: Upstream
Observed weight: 261
ASN registration country: Japan
Latest RIS data: 10/11/2026, 00:00:00

Open AS17511 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
AS17511Observed weight 261	OPTAGE - OPTAGE Inc.	Upstream	Japan	8/25/2019, 00:00:00	10/11/2026, 00:00:00	332	0

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