Data as of Nov 6, 2026

150.55.128.0/22

No anonymizer space · no proxy exits in 30 days

Okayama University of Science · space held by Japan Network Information Center

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

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
150.55.128.0/21
since Sep 2018
AS18124BusinessJapan Network Information Center
150.55.128.0/18
since Jun 2018
AS18124BusinessJapan Network Information Center
150.55.128.0/17
since Mar 2025
AS18124BusinessJapan Network Information Center
150.55.0.0/16
since May 2005
AS18124Business3Japan Network Information Center

Network & registry

Origin network

AS18124

JP
Name
Okayama University of Science
Type
Education
Registered
Mar 21, 2002
Domain
ous.ac.jp
Spamhaus ASN-DROP
not listed