Data as of Nov 12, 2026

133.99.0.0/16

No anonymizer space · no proxy exits in 30 days

Research Organization of Information and Systems, National Institute of Informatics · space held by Japan Network Information Center

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

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Rotating
First seen
May 2005
Current origin since
Apr 2022 · 4.6 yr
Origin networks
2
Last change of origin
Apr 2022
Recorded history

History

Handoffs
1