Data as of Nov 6, 2026
146.144.0.0/25
No anonymizer space · no proxy exits in 30 daysSingTel Optus Pty Ltd · space held by Department of Health and Human Services
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 |
|---|---|---|---|---|---|---|
| 146.144.0.0/21 | 2,048 | DOHAHSV | Department of Health and Human Services (ORG-DOHA1-AP) · AU | ALLOCATED PORTABLE | — | Info. |
| └ 146.144.0.0/25 | 128 | HTS-HRHA | HTS-Hume Rural Health Alliance | ASSIGNED NON-PORTABLE | — | Info. |
Network & registry
Announced by
Covering announcement 146.144.0.0/21
- Prefix
- 146.144.0.0/21
- Announced by
- AS7474 SingTel Optus Pty Ltd
- Type
- Business
- RPKI
- No RPKI
- Netname
- DOHAHSV
- Registrant
- Department of Health and Human Services
- RIR
- APNIC
Origin network
AS7474
AU
- Name
- SingTel Optus Pty Ltd
- Type
- Internet provider
- Registered
- Feb 3, 1997
- Domain
- optus.com.au
- Website
- optus.com.au/business/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 146.144.0.0/21
146.144.0.0/21
Routing history
- Pattern
- Stable
- First seen
- Jan 2022
- Current origin since
- Jan 2022 · 4.8 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 146.
144. 0. 0/ 21 - Netname
- DOHAHSV
- Registrant
- Department of Health and Human Services
- Registrant country
- AU
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Apr 27, 2022
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- AU
- Delegated
- Jan 24, 2011
- Status
- assigned
Report abuse
Abuse contact
- Info.
security@ health. vic. gov. au - Name
- ABUSE DOHAHSVAU
- Handle
- AD930-AP