Data as of Nov 3, 2026

133.75.232.0/24

No anonymizer space · no proxy exits in 30 days

National Institute for Fusion Science · space held by Japan Network Information Center

Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
133.75.0.0/16
since Aug 2016
AS9591BusinessJapan Network Information Center

Network & registry

Origin network

AS9591

JP
Name
National Institute for Fusion Science
Type
Education
Registered
Aug 5, 1999
Domain
nifs.ac.jp
Spamhaus ASN-DROP
not listed