Data as of Nov 9, 2026
103.143.160.0/24
No anonymizer space · no proxy exits in 30 daysTwowin Co., Limited · space held by IK Shield Technology Co., Limited
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 103.143.160.0/23 since May 2022 | AS133929 | Business | 1 | IK Shield Technology Co., Limited |
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 |
|---|---|---|---|---|---|---|
| 103.143.160.0/23 | 512 | ISTCL-HK | IK Shield Technology Co., Limited (ORG-ISTC1-AP) · HK | ALLOCATED PORTABLE | — | coco. |
| └ 103.143.160.0/24 | 256 | TWOWINCOLIMITED-HK | unknown | ALLOCATED NON-PORTABLE | — | coco. |
Network & registry
Registry
Holder
- Organization
- IK Shield Technology Co., Limited
- Handle
- ORG-ISTC1-AP
- Range
- 103.
143. 160. 0/ 23 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- Not named in the registry
- Reallocated range
- 103.
143. 160. 0/ 24 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS133929
HK
- Name
- Twowin Co., Limited
- Type
- Internet provider
- Registered
- Jan 21, 2015
- Domain
- fnetlink.com
- Website
- www.fnetlink.com
- 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
- Rotating
- First seen
- Sep 2019
- Current origin since
- May 2022 · 4.5 yr
- Origin networks
- 3
- Last change of origin
- May 2022
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 103.143.160.0/23 | AS133929 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 103.
143. 160. 0/ 24 - Netname
- TWOWINCOLIMITED-HK
- Registrant country
- HK
- Organization
- Not stated by the registry
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- May 11, 2022
- Maintainer
- MAINT-ISTCL-HK
- RIR
- APNIC
- Country
- HK
- Delegated
- Sep 27, 2019
- Status
- assigned
Report abuse
Abuse contact
- coco.
lee@ shangxingtech. com - Name
- ABUSE ISTCLHK
- Handle
- AI710-AP