Data as of Nov 6, 2026
199.43.4.0/24
No anonymizer space · no proxy exits in 30 daysCadence Design Systems, Inc. · space held by UniCAD Canada Ltd.
Network & registry
Origin network
AS11829
US
- Name
- Cadence Design Systems, Inc.
- Type
- Business
- Registered
- Jan 5, 1999
- Domain
- cadence.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Apr 2013
- Current origin since
- Apr 2025 · 1.5 yr
- Origin networks
- 2
- Last change of origin
- Apr 2025
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 199.
43. 4. 0/ 22 - Netname
- NETBLK-UNICAD1
- Registrant
- UniCAD Canada Ltd.
- Organization
- UniCAD Canada Ltd. (UCL-3)
- Org address
- 555 River Oaks Pkwy., San Jose, CA, 95134
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-199-43-4-0-1
- Parent
- NET-199-0-0-0-0
- Created
- Feb 2, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 2, 1994
- Status
- assigned
Report abuse
Abuse contact
- rsmith@
cadence. com - Name
- Maintainer, Dns
- Phone
- +1-408-944-7278
- Handle
- DM329-ARIN