Data as of Nov 9, 2026
103.21.48.0/24
1 residential-proxy exit · 30 daysThinkEx Holdings Pty Ltd
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Sep 2026
from AS58750 ThinkEx Holdings Pty Ltd, after 8.9 years unannounced
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
1
selling exits here
Oct 10, 2026 – Nov 8, 2026
Exits seen per day
2 observations
Proxy providers listing exits
- FastProxy
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 103.21.48.0/22 | 1,024 | THINKEX-AU | ThinkEx Holdings Pty Ltd (ORG-THPL3-AP) · AU | ALLOCATED PORTABLE | — | abuse@ |
| └ 103.21.48.0/24 | 256 | ThinkExHoldings-Hosting | Hosted Customers | ASSIGNED NON-PORTABLE | — | abuse@ |
Network & registry
Registry
Holder
- Organization
- ThinkEx Holdings Pty Ltd
- Handle
- ORG-THPL3-AP
- Range
- 103.
21. 48. 0/ 22 - Registration type
- ALLOCATED PORTABLE
Origin network
AS58750
AU
- Name
- ThinkEx Holdings Pty Ltd
- Type
- Internet provider
- Registered
- Nov 30, 2012
- Domain
- efex.com.au
- Website
- efex.com.au
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2013
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 103.21.48.0/24 | AS58750 | /24 | APNIC | RPKI valid |
| 103.21.48.0/22 | AS58750 | /22 | APNIC | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS58750 | APNIC | ThinkEx Holdings Pty Ltd | MAINT-THINKEX-AU | Sep 19, 2026 |
Whois
Registration for this announcement
- Range
- 103.
21. 48. 0/ 24 - Netname
- ThinkExHoldings-Hosting
- Registrant
- Hosted Customers
- Registrant country
- AU
- Organization
- Hosted Customers
- Org country
- AU
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Sep 22, 2026
- Maintainer
- MAINT-THINKEX-AU
- RIR
- APNIC
- Country
- AU
- Delegated
- Oct 4, 2012
- Status
- assigned
Report abuse
Abuse contact
- abuse@
efex. com. au - Name
- ABUSE THINKEXAU
- Handle
- AT1959-AP