Data as of Nov 8, 2026
149.117.90.0/23
No anonymizer space · no proxy exits in 30 daysSynopsys Inc.
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Recent change
New origin Oct 22, 2026
its first announcement on record
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 149.117.90.0/24 since Oct 22, 2026 | AS397635 | Business | Synopsys Inc. |
Network & registry
Origin network
AS397635
US
- Name
- Synopsys Inc.
- Type
- Business
- Registered
- Jun 11, 2019
- Domain
- synopsys.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 22, 2026
- Current origin since
- Oct 22, 2026 · under a month
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS397635 | RADB | CDC Public Supernet | MAINT-AS24539 | Oct 20, 2026 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 149.117.91.0/24 | AS397635 | RADB | CDC PUBLIC IP subnet 2 | MAINT-AS24539 | Oct 20, 2026 |
Whois
Registration for this announcement
- Range
- 149.
117. 0. 0/ 16 - Netname
- SYNOPSYS-NET-149-117
- Registrant
- Synopsys Inc.
- Organization
- Synopsys Inc. (SYNOPS)
- Org address
- 675 Almanor Ave, Sunnyvale, CA, 94085
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-149-117-0-0-1
- Parent
- NET-149-0-0-0-0
- Created
- Apr 29, 1997
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 29, 1997
- Status
- assigned
Report abuse
Abuse contact
- network-core@
synopsys. com - Name
- NETWORK-TEAM
- Phone
- +1-650-584-4260
- Handle
- NETWO2400-ARIN