Data as of Nov 11, 2026
128.9.28.0/23
No anonymizer space · no proxy exits in 30 daysUniversity of Southern California
Network & registry
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2020
- Current origin since
- Feb 2020 · 6.7 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4 | NTTCOM | ISI | MAINT-AS226 | Jun 15, 2020 |
Whois
Registration for this announcement
- Range
- 128.
9. 0. 0/ 16 - Netname
- ISI-NET
- Registrant
- University of Southern California
- Organization
- University of Southern California (USC-32-Z)
- Org address
- Information Sciences Institute, Marina del Rey, CA, 90292
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-128-9-0-0-1
- Parent
- NET-128-0-0-0-0
- Created
- Aug 1, 1984
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 1, 1984
- Status
- assigned
Report abuse
Abuse contact
- action@
isi. edu - Name
- IPC Computing Services
- Phone
- +1-310-448-8289
- Handle
- ACT-ORG-ARIN