Data as of Nov 3, 2026

133.40.0.0/16

No anonymizer space · no proxy exits in 30 days

National Institutes of Natural Sciences National Astronomical Observatory of JAPAN · space held by Japan Network Information Center

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

Network & registry

Origin network

AS63777

JP
Name
National Institutes of Natural Sciences National Astronomical Observatory of JAPAN
Type
Education
Registered
Aug 25, 2014
Domain
nao.ac.jp
Spamhaus ASN-DROP
not listed