Autonomous system profile

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

AS151386

Announcement observedAPNIC

NCJ-NET

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

Last active10/15/2026, 21:16:52Snapshot expired

View network topology RDAP registration

ASN: AS151386
Registration country: Japan
Name: NCJ-NET
Abbreviation: NCJ-NET
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
133.223.15.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.16.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.17.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.18.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.19.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.20.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.21.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.22.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.23.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.24.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.25.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.26.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.27.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.28.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.29.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.30.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.31.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.32.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.33.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.34.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.35.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.36.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.37.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.38.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.39.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.40.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.41.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.42.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.43.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.44.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.45.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.46.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.47.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.48.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.49.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.50.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.51.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.52.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.53.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.54.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.55.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.56.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.57.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.58.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.59.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.60.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.61.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.62.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.63.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid
133.223.64.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/24/2026, 16:00:00	10/29/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

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

Snapshot trend

10/15/2026, 21:16:5273 v40 v62 Upstream · 0 Uncertain

10/13/2026, 11:40:3773 v40 v62 Upstream · 0 Uncertain

10/8/2026, 20:52:3373 v40 v62 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 · iana-rdap-asn-bootstrap · rir-rdap-asn