Data as of Nov 12, 2026

133.12.0.0/16

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
Stable
First seen
May 2005
Current origin since
Dec 2018 · 7.9 yr
Origin networks
2
Last change of origin
Dec 2018
Recorded history

History

Handoffs
1