Data as of Nov 9, 2026
203.163.193.160/27
No anonymizer space · no proxy exits in 30 daysDigidom CableTV Co., LTD. · space held by Chief Telecom Inc.
Announced by
Type
Unknown
Risk
40 / 100 · Medium
Leased space
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.163.192.0/23 since Jul 2015 | AS17408 | Hosting | Chief Telecom 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 |
|---|---|---|---|---|---|---|
| 203.163.192.0/19 | 8,192 | CHIEFNET | Chief Telecom Inc. (ORG-CTI1-AP) · TW | ALLOCATED PORTABLE | — | james_ |
| └ 203.163.193.160/27 | 32 | Protacck | Kobayashi Optical Co.,Ltd. | ASSIGNED NON-PORTABLE | — | james_ |
Network & registry
Announced by
Covering announcement 203.163.193.0/24
- Prefix
- 203.163.193.0/24
- Announced by
- AS131607 Digidom CableTV Co., LTD.
- Type
- Unknown
- RPKI
- RPKI valid
- Netname
- CHIEFNET
- Registrant
- Chief Telecom Inc.
- RIR
- APNIC
Origin network
AS131607
TW
- Name
- Digidom CableTV Co., LTD.
- Type
- Internet provider
- Registered
- Jul 21, 2011
- Domain
- dctv.net.tw
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
203.163.193.0/24
Routing history
- Pattern
- Stable
- First seen
- Jun 2015
- Current origin since
- Apr 2017 · 9.6 yr
- Origin networks
- 3
- Last change of origin
- Apr 2017
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.163.193.0/24 | AS131607 | /24 | APNIC | RPKI valid |
| 203.163.192.0/23 | AS17408 | /23 | APNIC | Another network |
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