Data as of Nov 9, 2026
162.244.4.0/24
No anonymizer space · no proxy exits in 30 daysSynopsys Inc. · space held by Black Duck Software, Inc.
Network & registry
Origin network
AS397868
US
- Name
- Synopsys Inc.
- Type
- Business
- Registered
- Aug 23, 2019
- Domain
- blackducksoftware.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Feb 2019
- Current origin since
- Jul 2023 · 3.3 yr
- Origin networks
- 2
- Last change of origin
- Jul 2023
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 162.244.4.0/23 | AS397868 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 162.
244. 4. 0/ 23 - Netname
- WS-541
- Registrant
- Black Duck Software, Inc.
- Organization
- Black Duck Software, Inc. (BDS-141)
- Org address
- 675 Almanor Ave, Sunnyvale, CA, 94085
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-162-244-4-0-1
- Parent
- NET-162-0-0-0-0
- Created
- Aug 18, 2017
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 18, 2017
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN