Data as of Nov 7, 2026
Autonomous system
AS11829
Cadence Design Systems, Inc.
Announces 1,536 addresses in 6 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 158.140.1.0/24 since Aug 2020 | Business | ||
| 158.140.2.0/24 since Aug 2020 | Business | ||
| 158.140.5.0/24 since Jun 2021 | Business | ||
| 192.190.239.0/24 since May 2005 | Business | Systems & Networks, Inc. | |
| 192.203.56.0/24 since May 2005 | Business | Verizon Business | |
| 199.43.4.0/24 since Apr 2025 | Business | UniCAD Canada Ltd. |
Network & history
Profile
- Registered
- Jan 5, 1999
- Domain
- cadence.com
- Industry
- Software Development
Routing patterns
How its announcements have moved
Arrivals