Data as of Nov 10, 2026
149.117.72.0/21
No anonymizer space · no proxy exits in 30 daysSynopsys Inc.
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 149.117.73.0/24 since Nov 2019 | AS397635 | Business | Synopsys Inc. | |
| 149.117.74.0/24 since Aug 2019 | AS397635 | Business | Synopsys Inc. | |
| 149.117.75.0/24 since Sep 2019 | AS397635 | Business | Synopsys Inc. | |
| 149.117.76.0/24 since Apr 2020 | AS397635 | Business | Synopsys Inc. | |
| 149.117.79.0/24 since Sep 2019 | 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
- Aug 2019
- Current origin since
- Aug 2019 · 7.2 yr
- Origin networks
- 2
- Last change of origin
- Aug 2019
Recorded history
History
- Handoffs
- 1
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