Data as of Nov 3, 2026
Autonomous system
AS23631
Sofu System, Inc
Announces 6,144 addresses in 2 prefixes. None of it is anonymizer space.
Type
Internet provider
JP
Proxy activity, 30 days
1 exits
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 202.243.120.0/21 since May 2005 | Business | 1 | Japan Network Information Center | |
| 210.236.208.0/20 since May 2005 | Residential | Japan Network Information Center |
Residential-proxy exposure
Providers
3
selling exits here
Proxy providers listing exits
- LemonBright
- RainProxy
- Shifter
Proxy activity
Oct 4, 2026 – Nov 2, 2026
AS23631, day by day
4 observations
Network & history
Profile
- Registered
- Jan 31, 2003
- Domain
- sofu.co.jp
The space it routes itself
Address share by type
Routing patterns
How its announcements have moved
Arrivals