Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS151379

Announcement observedAPNIC

NCJ - OPTAGE Inc. · NCJ

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/5/2026, 22:42:27Snapshot expired

View network topology RDAP registration

ASN: AS151379
Registration country: Japan
Name: NCJ - OPTAGE Inc.
Abbreviation: NCJ
Registration date: Not recorded
Status: Announcement observed
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
36.50.252.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/21/2026, 16:00:00	10/11/2026, 16:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: NCJ - OPTAGE Inc.
RIR: APNIC
Registration country: Japan
Registration date: Not recorded
Abuse contact: hostmaster@nic.ad.jp

Snapshot trend

10/5/2026, 22:42:271 v40 v61 Upstream · 0 Uncertain

10/5/2026, 15:06:360 v40 v60 Upstream · 0 Uncertain

10/5/2026, 09:08:200 v40 v60 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap