Autonomous system profile

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

AS9991

Announcement observedAPNIC

SHUDO-U

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

Last active9/30/2026, 01:28:34Snapshot expired

View network topology RDAP registration

ASN: AS9991
Registration country: Japan
Name: SHUDO-U
Abbreviation: SHUDO-U
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
150.32.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	10/16/2026, 00:00:00	✓	×	Currently valid

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

Registration and sources

Organization: SHUDO-U
RIR: APNIC
Registration country: Japan
Registration date: Not recorded
Abuse contact: Not recorded

Snapshot trend

9/30/2026, 01:28:341 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 · iana-rdap-asn-bootstrap · rir-rdap-asn