Data as of Nov 9, 2026
103.21.50.0/24
No anonymizer space · no proxy exits in 30 daysZettagrid Pty Ltd · space held by ThinkEx Holdings Pty Ltd
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Sep 2026
from AS58750 ThinkEx Holdings Pty Ltd
Network & registry
Origin network
AS7604
AU
- Name
- Zettagrid Pty Ltd
- Type
- Hosting
- Registered
- Aug 11, 1997
- Domain
- zettagrid.com
- Website
- www.zettagrid.com
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jul 2013
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 2
- Last change of origin
- Sep 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 103.21.50.0/24 | AS7604 | /24 | APNIC | RPKI valid |
| 103.21.50.0/24 | AS58750 | /24 | APNIC | Another network |
| 103.21.48.0/22 | AS58750 | /22 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 103.
21. 48. 0/ 22 - Netname
- THINKEX-AU
- Registrant
- ThinkEx Holdings Pty Ltd
- Registrant country
- AU
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jan 19, 2026
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- AU
- Delegated
- Oct 4, 2012
- Status
- assigned
Report abuse
Abuse contact
- abuse@
efex. com. au - Name
- ABUSE THINKEXAU
- Handle
- AT1959-AP