Autonomous system profile

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

AS63783

Announcement observedAPNIC

CUC - Chiba University of Commerce · CUC

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

Last active10/21/2026, 09:11:30Snapshot expired

View network topology RDAP registration

ASN: AS63783
Registration country: Japan
Name: CUC - Chiba University of Commerce
Abbreviation: CUC
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
202.244.32.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
202.244.32.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
202.244.32.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/1/2026, 08:00:00	✓	×	Historical record
202.244.34.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/1/2026, 08:00:00	✓	×	Historical record
202.244.36.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/21/2026, 00:00:00	✓	×	Currently valid
202.244.36.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/1/2026, 08:00:00	✓	×	Historical record
202.244.38.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/22/2026, 08:00:00	10/1/2026, 08:00:00	✓	×	Historical record

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

Registration and sources

Organization: CUC - Chiba University of Commerce
RIR: APNIC
Registration country: Japan
Registration date: Not recorded
Abuse contact: Not recorded

Snapshot trend

10/21/2026, 09:11:303 v40 v62 Upstream · 0 Uncertain

10/6/2026, 13:02:227 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 · rir-rdap-asn · iana-rdap-asn-bootstrap