Data as of Nov 14, 2026
203.12.244.0/22
No anonymizer space · no proxy exits in 30 daysLeica Microsystems Biosystems Division Melbourne and Invetech · space held by Vision Systems
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Recent change
New origin May 2026
from AS17496 Leica Microsystems Biosystems Division Melbourne and Invetech, after 11.5 years unannounced
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.12.244.0/24 since Aug 2011 | AS17496 | Business | Vision Systems |
Network & registry
Origin network
AS17496
AU
- Name
- Leica Microsystems Biosystems Division Melbourne and Invetech
- Type
- Business
- Registered
- Aug 2, 2011
- Domain
- leicabiosystems.com
- Industry
- Buildings, Repair, Maintenance (Pest Control, Landscaping, Cleaning, Locksmiths, Car Washes, etc)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2011
- Current origin since
- May 2026 · 5 mo
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS17496 | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 203.
12. 244. 0/ 22 - Netname
- VISION-AU
- Registrant
- Vision Systems
- Registrant country
- AU
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 15, 2025
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- AU
- Delegated
- Feb 23, 1995
- Status
- assigned
Report abuse
Abuse contact
- jaeyoung.
lee. external@ leicabiosystems. com - Name
- ABUSE VISIONNONAU
- Handle
- AV295-AP