Data as of Nov 14, 2026
203.203.4.0/23
No anonymizer space · no proxy exits in 30 daysHoshin Multimedia Center Inc. · space held by KBT Co., LTD
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Sep 28, 2026
from AS9416 Hoshin Multimedia Center Inc., after 10.2 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 203.203.0.0/16 since May 2005 | AS9416 | Residential | 375 24 always on |
Network & registry
Announced by
Covering announcement 203.203.0.0/17
- Prefix
- 203.203.0.0/17
- Announced by
- AS9416 Hoshin Multimedia Center Inc.
- Type
- Residential
- Proxy exits
- 258
- Always-on exits
- 15
- RPKI
- RPKI valid
- Netname
- KBT-NET
- Registrant
- KBT Co., LTD
- RIR
- APNIC
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
Covering aggregate above, the prefix's own history below
203.203.0.0/17
Routing history
- Pattern
- Stable
- First seen
- Jun 2005
- Current origin since
- Sep 28, 2026 · 2 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.203.0.0/17 | AS131611 | /24 | APNIC | Another network |
| 203.203.0.0/16 | AS9416 | /24 | APNIC | RPKI valid |
| 203.203.0.0/16 | AS18042 | /24 | APNIC | Another network |
IRR
Route objects on 203.203.0.0/17
| 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 |
| AS131611 not the origin | RADB | SDTV (customer route) | MAINT-AS18046 | Sep 6, 2024 |
Whois
Registration for this announcement
- Range
- 203.
203. 0. 0/ 17 - Netname
- KBT-NET
- Registrant
- KBT Co., LTD
- Registrant country
- TW
- Organization
- KBT Co., LTD
- Org country
- TW
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jun 18, 2026
- Maintainer
- MAINT-TW-TWNIC
- RIR
- APNIC
- Country
- TW
- Delegated
- May 29, 2000
- Status
- assigned
Report abuse
Abuse contact
- jacky.
ni@ homeplus. net. tw - Name
- TWNIC ROLE-KBT
- Handle
- TR423-AP