Data as of Nov 3, 2026
Autonomous system
AS55904
KOGAKUIN University
Announces 65,536 addresses in 3 prefixes. None of it is anonymizer space.
Type
Education
JP
Proxy activity, 30 days
8 exits
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 133.80.0.0/16 since Jun 2012 | Business | 7 | Japan Network Information Center | |
| 133.80.0.0/17 since Jun 2012 | Business | 2 | Japan Network Information Center | |
| 133.80.128.0/17 since Jun 2012 | Business | 5 | Japan Network Information Center |
Residential-proxy exposure
Spread
6
/24s with at least one exit
Providers
2
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 133.80.213.0/24 | 0 | 2 | |
| 133.80.29.0/24 | 0 | 1 | |
| 133.80.122.0/24 | 0 | 1 | |
| 133.80.214.0/24 | 0 | 1 | |
| 133.80.221.0/24 | 0 | 1 | |
| 133.80.224.0/24 | 0 | 1 |
Proxy providers listing exits
- RainProxy
- Shifter
Proxy activity
Oct 4, 2026 – Nov 2, 2026
AS55904, day by day
67 observations
Network & history
Profile
- Registered
- Nov 29, 2010
- Domain
- kogakuin.ac.jp
Routing patterns
How its announcements have moved
Arrivals