Data as of Nov 3, 2026
161.43.192.0/18
1 residential-proxy exit · 30 daysSingTel Optus Pty Ltd
Residential-proxy exits
Proxy exits
1
<0.01% of its addresses · 30 days
Spread
1 of 64
/24s with at least one exit
Providers
2
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
4 observations
Proxy providers listing exits
- IPFly
- PuraRoute
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 161.43.192.0/20 since Apr 2012 | AS7474 | Internet provider | SingTel Optus Pty Ltd |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
16,384 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 14,336 | 88% | 2 | |
| Residential | 2,048 | 13% | 8 |
Network & registry
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 this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2011
- Current origin since
- Jul 2011 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 161.43.192.0/18 | AS7474 | /18 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7474 | APNIC | Singtel Optus Pty Ltd | MAINT-OPTUSCOM-AP | Jan 22, 2025 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 161.43.223.0/24 | AS58780 | APNIC | SingTel Optus Pty Ltd | MAINT-OPTUSCOM-AP | Sep 17, 2021 |
| 161.43.224.0/21 | AS4804 | APNIC | SingTel Optus Pty Ltd | MAINT-OPTUSCOM-AP | Sep 17, 2021 |
| 161.43.232.0/21 | AS4804 | APNIC | SingTel Optus Pty Ltd | MAINT-OPTUSCOM-AP | Sep 17, 2021 |
Whois
Registration for this announcement
- Range
- 161.43.0.0/16
- Netname
- OPTUSNET
- 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
- May 18, 1992
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- ABUSE OPTUSCOMAU
- Handle
- AO399-AP