Data as of Nov 4, 2026

210.1.238.0/24

No anonymizer space · no proxy exits in 30 days

Research Organization of Information and Systems, National Institute of Informatics · space held by Chikushi Jogakuen University

Announcement

No RPKI

Announced by

Type

Business

Risk

0 / 100 · Low

Network & registry

Announced by

Prefix: 210.1.236.0/22
Announced by: AS2907 Research Organization of Information and Systems, National Institute of Informatics
Type: Business
RPKI: No RPKI
Netname: CKADMIN-AS-AP
Registrant: Chikushi Jogakuen University
RIR: APNIC

Origin network

Name: Research Organization of Information and Systems, National Institute of Informatics
Type: Education
Registered: Aug 1, 2002
Domain: sinet.ad.jp
Website: www.sinet.ad.jp/
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed

IRR

Origin	Registry	Description	Maintainer	Modified
AS2907	JPIRR	Chikushi Jogakuen University	MAINT-AS2907	Oct 1, 2025
AS4628 not the origin	REACH	REACH (Customer Route)	MAINT-REACH-NOC	Nov 26, 2004
AS37984 not the origin	APNIC	Chikushi Jogakuen University	MAINT-JP-CKADMIN	May 8, 2011
AS37984 not the origin	RADB	Chikushi Jogakuen University	MAINT-AS37984	Nov 13, 2023