Data as of Nov 7, 2026
203.164.64.0/19
No anonymizer space · no proxy exits in 30 daysMicroplex PTY LTD · space held by Optus Internet Pty Ltd
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 203.164.64.0/18 since May 2005 | AS4804 | Residential | 146 5 always on | |
| 203.164.0.0/16 since May 2005 | AS4804 | Residential | 793 67 always on |
Network & registry
Origin network
AS4804
AU
- Name
- Microplex PTY LTD
- Type
- Internet provider
- Registered
- Nov 7, 1996
- Domain
- optus.com.au
- Website
- optus.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
- Jun 2009
- Current origin since
- Jun 2009 · 17 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.164.64.0/19 | AS4804 | /19 | APNIC | RPKI valid |
| 203.164.64.0/18 | AS4804 | /18 | APNIC | Too specific |
| 203.164.0.0/16 | AS4804 | /16 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 203.
164. 32. 0 - 203. 164. 95. 255 - Netname
- OPTUSINTERNET-AU
- Registrant
- Optus Internet Pty Ltd
- Registrant country
- AU
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jan 15, 2021
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- AU
- Delegated
- Jan 27, 2000
- Status
- assigned
Report abuse
Abuse contact
- abuse@
optusnet. com. au - Name
- ABUSE OPTUSINTERNETAU
- Handle
- AO400-AP