Data as of Nov 9, 2026
203.163.192.0/23
No anonymizer space · no proxy exits in 30 daysAboveNet Communications Taiwan · space held by Chief Telecom Inc.
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.163.193.0/24 since Apr 2017 | AS131607 | Unknown | Chief Telecom Inc. |
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 |
|---|---|---|---|---|---|---|
| 203.163.192.0/19 | 8,192 | CHIEFNET | Chief Telecom Inc. (ORG-CTI1-AP) · TW | ALLOCATED PORTABLE | — | james_ |
| └ 203.163.193.0/27 | 32 | Kaomao | Kao-Mao Bandwidth Service | ASSIGNED NON-PORTABLE | — | james_ |
| └ 203.163.193.32/27 | 32 | Jacck | Nethat Co., Ltd. | ASSIGNED NON-PORTABLE | — | james_ |
| └ 203.163.193.64/27 | 32 | Aikch | Weshine Technology Co. Ltd. | ASSIGNED NON-PORTABLE | — | james_ |
| └ 203.163.193.96/27 | 32 | Iccwt | Blockbuster Inc. | ASSIGNED NON-PORTABLE | — | james_ |
| └ 203.163.193.128/27 | 32 | Misctn | Micro Sova Co., Ltd | ASSIGNED NON-PORTABLE | — | james_ |
| └ 203.163.193.160/27 | 32 | Protacck | Kobayashi Optical Co.,Ltd. | ASSIGNED NON-PORTABLE | — | james_ |
| └ 203.163.193.192/27 | 32 | Owang | 3-Link Information Services Co., Ltd. | ASSIGNED NON-PORTABLE | — | james_ |
| └ 203.163.193.224/27 | 32 | Birdcy | Summitgolf Co., Ltd | ASSIGNED NON-PORTABLE | — | james_ |
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 | |
|---|---|---|---|---|
| Hosting | 256 | 50% | 1 | |
| Unknown | 256 | 50% | 1 |
Network & registry
Origin network
AS17408
TW
- Name
- AboveNet Communications Taiwan
- Type
- Hosting
- Registered
- Jan 12, 2001
- Domain
- chief.com.tw
- Website
- www.chief.com.tw
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2011
- Current origin since
- Jul 2015 · 11 yr
- Origin networks
- 2
- Last change of origin
- Jul 2015
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.163.192.0/23 | AS17408 | /23 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
Whois
Registration for this announcement
- Range
- 203.
163. 192. 0/ 19 - Netname
- CHIEFNET
- Registrant
- Chief Telecom Inc.
- Registrant country
- TW
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- May 27, 2021
- Maintainer
- MAINT-TW-TWNIC
- RIR
- APNIC
- Country
- TW
- Delegated
- Aug 22, 2000
- Status
- assigned
Report abuse
Abuse contact
- james_
cheng@ chief. com. tw - Name
- ABUSE CHIEFTW
- Handle
- AC2454-AP