Data as of Nov 13, 2026
203.133.4.0/24
No anonymizer space · no proxy exits in 30 daysHoshin Multimedia Center Inc.
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 203.133.0.0/19 | 8,192 | KBT-NET | KBT Co., LTD | ALLOCATED PORTABLE | Sep 4, 2008 | jacky. |
| └ 203.133.4.16/29 | 8 | GIGADIGICELL | Digicell NAT IA TEST | ASSIGNED NON-PORTABLE | — | hostmaster@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
256 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 248 | 97% | 2 | |
| Business | 8 | 3.1% | 1 |
Network & registry
Announced by
Covering announcement 203.133.0.0/17
- Prefix
- 203.133.0.0/17
- Announced by
- AS9416 Hoshin Multimedia Center Inc.
- Type
- Residential
- Proxy exits
- 1
- RPKI
- RPKI valid
- RIR
- APNIC
IPv4 market
Holder
- Organization
- Not stated by the registry
Origin network
AS9416
TW
- Name
- Hoshin Multimedia Center Inc.
- Type
- Internet provider
- Registered
- Sep 28, 1998
- Domain
- homeplus.net.tw
- Website
- www.homeplus.net.tw/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 203.133.0.0/17
203.133.0.0/17
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.133.0.0/17 | AS18042 | /24 | APNIC | Another network |
| 203.133.0.0/17 | AS9416 | /17 | APNIC | RPKI valid |
IRR
Route objects on 203.133.0.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS9416 | RADB | Hoshin Multimedia Center Inc. | MAINT-AS9416 | Nov 4, 2025 |
| AS9416 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Mar 22, 2016 |
| AS9505 not the origin | REACH | REACH (Customer Route) | MAINT-REACH-NOC | Jun 4, 2004 |
| AS17709 not the origin | REACH | REACH (Customer Route) | MAINT-REACH-NOC | May 16, 2006 |
Whois
Registration for this announcement
203.133.0.0/17 spans several registrations: 33 records are listed under Registrations.
- Registrant country
- AU
- RIR
- APNIC
- Country
- TW
- Delegated
- Oct 26, 1998
- Status
- assigned