Data as of Nov 13, 2026
203.15.172.0/23
No anonymizer space · no proxy exits in 30 daysThink On, Inc. · space held by St. Catherine's School
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Aug 2026
from AS9336 XYZ Telecom Pty Ltd
Network & registry
Origin network
AS397468
CA
- Name
- Think On, Inc.
- Type
- Hosting
- Registered
- Apr 5, 2019
- Domain
- thinkon.com
- Website
- www.thinkon.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Dec 2010
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 4
- Last change of origin
- Aug 2026
Recorded history
History
- Handoffs
- 3
Whois
Registration for this announcement
- Range
- 203.
15. 172. 0/ 23 - Netname
- STCS-AU
- Registrant
- St. Catherine's School
- Registrant country
- AU
- Organization
- Not stated by the registry
- Type
- ASSIGNED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jan 9, 2023
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- AU
- Delegated
- May 21, 1995
- Status
- assigned
Report abuse
Abuse contact
- vjayachandran@
stcatherines. net. au - Name
- ABUSE SCSNONAU
- Handle
- AS2127-AP