Autonomous system profile

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

AS131158

Announcement observedAPNIC

NAIST-AS - Nara Institute of Science and Technology, National University Corporation · NAIST-AS

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

Last active10/6/2026, 14:35:35Snapshot expired

View network topology RDAP registration

ASN: AS131158
Registration country: Japan
Name: NAIST-AS - Nara Institute of Science and Technology, National University Corporation
Abbreviation: NAIST-AS
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
163.221.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/17/2026, 08:00:00	✓	×	Historical record
192.218.128.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/17/2026, 08:00:00	✓	×	Historical record

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

Registration and sources

Organization: NAIST-AS - Nara Institute of Science and Technology, National University Corporation
RIR: APNIC
Registration country: Japan
Registration date: Not recorded
Abuse contact: Not recorded

Snapshot trend

10/6/2026, 14:35:352 v41 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 · rir-rdap-asn · iana-rdap-asn-bootstrap