Data as of Nov 3, 2026
Autonomous system
AS3364
Computer Systems Design Company
Announces 8,448 addresses in 4 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 198.80.11.0/24 since May 2005 | Business | Verizon Business | |
| 199.221.128.0/21 since May 2005 | Business | Verizon Business | |
| 204.181.152.0/21 since Jan 2014 | Business | Cogent Communications, LLC | |
| 205.240.0.0/20 since Jan 2014 | Business | Cogent Communications, LLC via Computer Systems Design Company |
Network & history
Profile
- Registered
- Dec 30, 1993
- Domain
- csdco.com
- Industry
- Other
Routing patterns
How its announcements have moved
Arrivals