Data as of Nov 9, 2026
192.33.140.0/23
No anonymizer space · no proxy exits in 30 daysThe University of Arizona
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 192.33.140.0/24 | 256 | SAO-NET | Smithsonian Astrophysical Observatory (SAO) · US | Direct Allocation | Dec 8, 1987 | achesleigh@ |
| 192.33.141.0/24 | 256 | SAO1-NET | Smithsonian Astrophysical Observatory (SAO) · US | Direct Allocation | Dec 8, 1987 | achesleigh@ |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS1706
US
- Name
- The University of Arizona
- Type
- Education
- Registered
- Feb 13, 1992
- Domain
- arizona.edu
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS1706 | RADB | auto-generated route object for 192.33.140.0/23 | MAINT-AS1706 | Nov 13, 2023 |
Whois
Registration for this announcement
192.33.140.0/23 spans several registrations: 2 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 8, 1987
- Status
- assigned