Data as of Nov 14, 2026
203.28.243.0/24
No anonymizer space · no proxy exits in 30 daysThe University of Melbourne, Melbourne, Victoria
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 203.28.243.0/24 | 256 | QUEENSCOLLEGE-AU | Queens College (ORG-QC1-AP) · AU | ALLOCATED PORTABLE | May 19, 2014 | ben. |
Network & registry
Announced by
Covering announcement 203.28.240.0/22
- Prefix
- 203.28.240.0/22
- Announced by
- AS10148 The University of Melbourne, Melbourne, Victoria
- Type
- Business
- Proxy exits
- 19
- RPKI
- No RPKI
- RIR
- APNIC
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS10148
AU
- Name
- The University of Melbourne, Melbourne, Victoria
- Type
- Education
- Registered
- Oct 7, 2003
- Domain
- unimelb.edu.au
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 203.28.240.0/22
203.28.240.0/22
Routing history
- Pattern
- Stable
- First seen
- Jul 2019
- Current origin since
- Jul 2019 · 7.4 yr
- Origin networks
- 1
IRR
Route objects on 203.28.240.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7575 not the origin | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
Whois
Registration for this announcement
203.28.240.0/22 spans several registrations: 3 records are listed under Registrations.
- Registrant country
- AU
- RIR
- APNIC
- Country
- AU
- Delegated
- Jun 27, 1996
- Status
- assigned