Data as of Nov 6, 2026
128.9.32.0/20
No anonymizer space · no proxy exits in 30 daysUniversity of Southern California
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 128.9.34.0/24 since Oct 2021 | AS4 | Business | University of Southern California | |
| 128.9.35.0/24 since Jun 2021 | AS4 | Business | University of Southern California | |
| 128.9.36.0/24 since Jun 2021 | AS4 | Business | University of Southern California | |
| 128.9.37.0/24 since Jun 2021 | AS4 | Business | University of Southern California | |
| 128.9.38.0/24 since Jun 2021 | AS4 | Business | University of Southern California | |
| 128.9.40.0/24 since Jun 2021 | AS4 | Business | University of Southern California | |
| 128.9.43.0/24 since Apr 2023 | AS4 | Business | University of Southern California | |
| 128.9.44.0/24 since Jun 2021 | AS4 | Business | University of Southern California | |
| 128.9.46.0/24 since Mar 2022 | AS4 | Business | University of Southern California | |
| 128.9.47.0/24 since Jun 2021 | AS4 | Business | University of Southern California |
Network & registry
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2019
- Current origin since
- Sep 2019 · 7.2 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