Data as of Nov 10, 2026
Autonomous system
AS131158
Nara Institute of Science and Technology, National University Corporation
Announces 66,048 addresses in 2 prefixes. None of it is anonymizer space.
Type
Education
JP
Proxy activity, 30 days
2 exits
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 163.221.0.0/16 since Jan 2024 | Business | 2 | ||
| 192.218.128.0/23 since Aug 2011 | Business | imported inetnum object for JNIC |
Residential-proxy exposure
Spread
2
/24s with at least one exit
Providers
4
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 163.221.195.0/24 | 0 | 1 | |
| 163.221.241.0/24 | 0 | 1 |
Proxy providers listing exits
- FastProxy
- LemonBright
- ThunderProxy
- VitalExclusive
Proxy activity
Oct 11, 2026 – Nov 9, 2026
AS131158, day by day
32 observations
Network & history
Profile
- Registered
- Oct 3, 2008
- Domain
- naist.ac.jp
Routing patterns
How its announcements have moved
Arrivals