Data as of Nov 10, 2026
Autonomous system
AS23975
Yonam Institute of Technology
Announces 4,096 addresses in 6 prefixes. None of it is anonymizer space.
Type
Education
KR
Proxy activity, 30 days
4 exits
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 203.255.224.0/21 since May 2005 | Business | |||
| 220.66.19.0/24 since Jan 2021 | Business | 1 | Korean Education Network | |
| 220.66.20.0/24 since Jan 2021 | Business | Korean Education Network | ||
| 220.66.21.0/24 since Jan 2021 | Business | 2 | Korean Education Network | |
| 220.66.111.0/24 since May 2005 | Business | Korean Education Network | ||
| 220.66.112.0/22 since May 2005 | Business | 1 | Korean Education Network |
Residential-proxy exposure
Spread
3
/24s with at least one exit
Providers
3
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 220.66.21.0/24 | 0 | 2 | |
| 220.66.19.0/24 | 0 | 1 | |
| 220.66.113.0/24 | 0 | 1 |
Proxy providers listing exits
- Ake.net
- ProxyRack
- Thordata
Proxy activity
Oct 11, 2026 – Nov 8, 2026
AS23975, day by day
23 observations
Network & history
Profile
- Registered
- Dec 12, 2003
- Domain
- yc.ac.kr
- Industry
- Colleges, Universities, and Professional Schools
Routing patterns
How its announcements have moved
Arrivals