Data as of Nov 4, 2026
Autonomous system
AS18964
Adventist Health System Sunbelt Healthcare Corporation
Announces 20,736 addresses in 14 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 204.139.64.0/18 since Nov 2019 | Business | Adventist Health Systems. | |
| 204.139.64.0/24 since May 2005 | Business | Adventist Health Systems. | |
| 204.139.66.0/24 since Aug 2024 | Business | Adventist Health Systems. | |
| 204.139.67.0/24 since Jun 2006 | Business | Adventist Health Systems. | |
| 204.139.84.0/24 since Dec 2008 | Business | Adventist Health Systems. | |
| 204.139.85.0/24 since Jul 2005 | Business | Adventist Health Systems. | |
| 204.139.87.0/24 since Jul 2005 | Business | Adventist Health Systems. | |
| 204.139.88.0/24 since Feb 2014 | Business | Adventist Health Systems. | |
| 204.139.96.0/24 since Nov 2022 | Business | Adventist Health Systems. | |
| 204.139.101.0/24 since May 2024 | Business | Adventist Health Systems. | |
| 204.139.102.0/24 since May 2024 | Business | Adventist Health Systems. | |
| 204.139.112.0/24 since Jul 2026 | Business | Adventist Health Systems. | |
| 204.156.96.0/20 since May 2005 | Business | Sunbelt Systems | |
| 204.156.120.0/24 since Aug 2020 | Business | Sunbelt Systems |
Network & history
Profile
- Registered
- Nov 2, 2000
- Domain
- adventhealth.com
- Industry
- Hospitals and Medical Centers
Routing patterns
How its announcements have moved
Arrivals