Autonomous system profile

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

AS131971

Announcement observedAPNIC

AS131971-67 - JPNIC-4Byte-ASBLOCK-AP · JPNIC-LAB

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

Last active10/6/2026, 16:50:33Snapshot expired

View network topology RDAP registration

ASN: AS131971
Registration country: Japan
Name: AS131971-67 - JPNIC-4Byte-ASBLOCK-AP
Abbreviation: JPNIC-LAB
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
202.1.208.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
202.1.212.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
202.1.213.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
202.1.214.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid
202.1.215.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/6/2026, 08:00:00	✓	×	Currently valid

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

Registration and sources

Organization: AS131971-67 - JPNIC-4Byte-ASBLOCK-AP
RIR: APNIC
Registration country: Japan
Registration date: Not recorded
Abuse contact: Not recorded

Snapshot trend

10/6/2026, 16:50:335 v47 v61 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