Data as of Nov 3, 2026
Autonomous system
AS21666
OSF Healthcare System
Announces 1,024 addresses in 4 prefixes. None of it is anonymizer space.
Type
Business
US
Proxy activity, 30 days
8 exits
Announced prefixes
| Prefix | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|
| 38.65.207.0/24 since Jan 2013 | Business | Cogent Communications, LLC | ||
| 38.131.231.0/24 since Aug 2016 | Business | 8 | Cogent Communications, LLC | |
| 198.246.176.0/24 since Feb 2023 | Business | |||
| 204.238.189.0/24 since Mar 2006 | Business |
Residential-proxy exposure
Providers
3
selling exits here
Proxy providers listing exits
- AnyIP
- ColaProxy
- FloppyData
Proxy activity
Oct 4, 2026 – Nov 2, 2026
AS21666, day by day
23 observations
Network & history
Profile
- Registered
- Aug 30, 2022
- Domain
- osfhealthcare.org
- Industry
- Health Care Services
Routing patterns
How its announcements have moved
Arrivals