Data as of Nov 4, 2026

163.51.167.0/24

No anonymizer space · no proxy exits in 30 days

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

Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
163.51.0.0/16
since May 2005
AS2907Business13Kindai University

Network & registry

Origin network

AS2907

JP
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