Data as of Nov 3, 2026
139.5.172.0/23
No anonymizer space · no proxy exits in 30 daysac3, Australian Centre for Advanced Computing and Communications · space held by Australian Centre for Advanced Computing and Communication Pty Ltd
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 139.5.172.0/24 since Oct 2016 | AS56307 | Hosting | Australian Centre for Advanced Computing and Communication Pty Ltd | |
| 139.5.173.0/24 since Jul 2020 | AS56307 | Hosting | Australian Centre for Advanced Computing and Communication Pty Ltd |
Network & registry
Origin network
AS56307
AU
- Name
- ac3, Australian Centre for Advanced Computing and Communications
- Type
- Hosting
- Registered
- Jun 17, 2011
- Domain
- ac3.com.au
- Website
- www.ac3.com.au
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2024
- Current origin since
- Feb 2024 · 2.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 139.5.172.0/22 | AS17732 | /24 | APNIC | Another network |
| 139.5.172.0/22 | AS56307 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
Whois
Registration for this announcement
- Range
- 139.5.172.0/22
- Netname
- AC3-MEMBER-AU
- Registrant
- Australian Centre for Advanced Computing and Communication Pty Ltd
- Registrant country
- AU
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- May 19, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- AU
- Delegated
- Mar 29, 2016
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE AC3MEMBERAU
- Handle
- AA1457-AP