Data as of Nov 6, 2026
Autonomous system
AS4
University of Southern California
Announces 65,024 addresses in 40 prefixes. None of it is anonymizer space.
Type
Education
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 128.9.0.0/20 since Sep 2019 | Business | ||
| 128.9.16.0/24 since Aug 2019 | Business | ||
| 128.9.17.0/24 since Aug 2019 | Business | ||
| 128.9.18.0/24 since Aug 2019 | Business | ||
| 128.9.19.0/24 since Oct 2024 | Business | ||
| 128.9.26.0/24 since Jan 2022 | Business | ||
| 128.9.28.0/23 since Feb 2020 | Business | ||
| 128.9.30.0/24 since Aug 2019 | Business | ||
| 128.9.31.0/24 since Apr 2019 | Business | ||
| 128.9.32.0/20 since Sep 2019 | Business | ||
| 128.9.34.0/24 since Oct 2021 | Business | ||
| 128.9.35.0/24 since Jun 2021 | Business | ||
| 128.9.36.0/24 since Jun 2021 | Business | ||
| 128.9.37.0/24 since Jun 2021 | Business | ||
| 128.9.38.0/24 since Jun 2021 | Business | ||
| 128.9.40.0/24 since Jun 2021 | Business | ||
| 128.9.43.0/24 since Apr 2023 | Business | ||
| 128.9.44.0/24 since Jun 2021 | Business | ||
| 128.9.46.0/24 since Mar 2022 | Business | ||
| 128.9.47.0/24 since Jun 2021 | Business | ||
| 128.9.48.0/20 since Mar 2017 | Business | ||
| 128.9.64.0/20 since Sep 2019 | Business | ||
| 128.9.80.0/20 since Sep 2019 | Business | ||
| 128.9.96.0/20 since Sep 2019 | Business | ||
| 128.9.112.0/20 since Sep 2019 | Business | ||
| 128.9.113.0/24 since Apr 2024 | Business | ||
| 128.9.117.0/24 since Apr 2024 | Business | ||
| 128.9.122.0/24 since Apr 2024 | Business | ||
| 128.9.123.0/24 since Apr 2024 | Business | ||
| 128.9.127.0/24 since Apr 2024 | Business | ||
| 128.9.128.0/20 since Sep 2019 | Business | ||
| 128.9.144.0/20 since Sep 2019 | Business | ||
| 128.9.160.0/20 since Sep 2019 | Business | ||
| 128.9.176.0/20 since Sep 2019 | Business | ||
| 128.9.192.0/18 since Jul 2024 | Business | ||
| 198.32.16.0/24 since May 2005 | Hosting | CyrusOne LLC | |
| 206.117.6.0/24 since May 2005 | Business | Los Nettos | |
| 206.117.27.0/24 since May 2005 | Business | Los Nettos | |
| 206.117.31.0/24 since May 2005 | Business | Los Nettos | |
| 206.117.37.0/24 since May 2005 | Business | Los Nettos |
Network & history
Profile
- Registered
- Feb 22, 1984
- Domain
- usc.edu
- Website
- usc.edu
- Industry
- Education and Research
The space it routes itself
Address share by type
Routing patterns
How its announcements have moved
Arrivals