Data as of Nov 7, 2026
103.23.104.0/23
No anonymizer space · no proxy exits in 30 daysSimtronic · space held by Simtronic Technologies Pty Ltd
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 103.23.104.0/22 since May 2026 | AS55707 | Internet provider | 3 | Simtronic Technologies Pty Ltd |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 103.23.104.0/24 since Mar 2021 | AS55707 | Internet provider | Simtronic Technologies Pty Ltd | |
| 103.23.105.0/24 since Mar 2021 | AS55707 | Residential | Simtronic Technologies Pty Ltd via My Broadband |
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 |
|---|---|---|---|---|---|---|
| 103.23.104.0/22 | 1,024 | SIMTRONIC-TECH-AU | Simtronic Technologies Pty Ltd (ORG-STPL15-AP) · AU | ALLOCATED PORTABLE | — | abuse@ |
| └ 103.23.105.0/24 | 256 | MYBROADBAND-VIC-CUSTOMERS | My Broadband | ALLOCATED NON-PORTABLE | — | abuse@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
512 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 256 | 50% | 1 | |
| Residential | 256 | 50% | 1 |
Network & registry
Origin network
AS55707
AU
- Name
- Simtronic
- Type
- Internet provider
- Registered
- Aug 9, 2010
- Domain
- simtronic.com.au
- Website
- www.simtronic.com.au
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2017
- Current origin since
- Mar 2021 · 5.6 yr
- Origin networks
- 2
- Last change of origin
- Mar 2021
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 103.
23. 104. 0/ 22 - Netname
- SIMTRONIC-TECH-AU
- Registrant
- Simtronic Technologies Pty Ltd
- Registrant country
- AU
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jun 18, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- AU
- Delegated
- Nov 21, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
iperium. com. au - Name
- ABUSE SIMTRONICTECHAU
- Handle
- AS2290-AP