Data as of Nov 3, 2026
61.88.4.40/30
No anonymizer space · no proxy exits in 30 daysSingTel Optus Pty Ltd
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 61.88.0.0/17 since May 2005 | AS7474 | Internet provider | 5 | SingTel Optus Pty Ltd |
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 |
|---|---|---|---|---|---|---|
| 61.88.0.0/16 | 65,536 | OPTUSCOM-AU | SingTel Optus Pty Ltd (ORG-SOPL2-AP) · AU | ALLOCATED PORTABLE | — | [email protected] |
| └ 61.88.4.40/30 | 4 | DATABASEDEPT | OPTUS Customer Network | ASSIGNED NON-PORTABLE | — | [email protected] via OPTUSCOM-AU |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 61.88.4.0/24
- Prefix
- 61.88.4.0/24
- Announced by
- AS7474 SingTel Optus Pty Ltd
- Type
- Internet provider
- RPKI
- RPKI valid
- Netname
- OPTUSCOM-AU
- Registrant
- SingTel Optus Pty Ltd
- 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
Covering aggregate above, the prefix's own history below
61.88.4.0/24
Routing history
- Pattern
- Stable
- First seen
- Dec 2025
- Current origin since
- Dec 2025 · 11 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 61.88.4.0/24 | AS7474 | /24 | APNIC | RPKI valid |
| 61.88.0.0/17 | AS7474 | /17 | APNIC | Too specific |
IRR
Route objects on 61.88.4.0/24
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7474 | APNIC | SingTel Optus Pty Ltd | MAINT-OPTUSCOM-AP | Dec 4, 2025 |
Whois
Registration for this announcement
- Range
- 61.88.0.0/16
- Netname
- OPTUSCOM-AU
- Registrant
- SingTel Optus Pty Ltd
- Registrant country
- AU
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jan 15, 2021
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- AU
- Delegated
- Oct 16, 2001
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE OPTUSCOMAU
- Handle
- AO399-AP