Data as of Nov 7, 2026
103.203.48.0/23
No anonymizer space · no proxy exits in 30 daysNetsec Limited · space held by Cyber Will Limited
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 103.203.48.0/22 | AS963 | Unknown | Cyber Will Limited |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 103.203.48.0/24 since Aug 2024 | AS45753 | Hosting | Cyber Will Limited via Netsec | |
| 103.203.49.0/24 since Aug 2016 | AS45753 | Hosting | Cyber Will Limited via Netsec |
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 |
|---|---|---|---|---|---|---|
| 103.203.48.0/22 | 1,024 | CYBERWILLLIMITED-HK | Cyber Will Limited (ORG-CWL2-AP) · HK | ALLOCATED PORTABLE | — | noc@ |
| └ 103.203.48.0/24 | 256 | Netsec | Netsec | ALLOCATED NON-PORTABLE | — | noc@ |
| └ 103.203.49.0/24 | 256 | Netsec | Netsec | ALLOCATED NON-PORTABLE | — | noc@ |
Network & registry
Origin network
AS45753
HK
- Name
- Netsec Limited
- Type
- Hosting
- Registered
- Jun 29, 2011
- Domain
- simcentric.com
- Website
- www.simcentric.com/en/
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2025
- Current origin since
- Mar 2025 · 1.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 103.203.48.0/22 | AS963 | /24 | APNIC | Another network |
| 103.203.48.0/22 | AS9744 | /24 | APNIC | Another network |
| 103.203.48.0/22 | AS45753 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
Whois
Registration for this announcement
- Range
- 103.
203. 48. 0/ 22 - Netname
- CYBERWILLLIMITED-HK
- Registrant
- Cyber Will Limited
- Registrant country
- HK
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jun 3, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- HK
- Delegated
- Nov 27, 2015
- Status
- assigned
Report abuse
Abuse contact
- noc@
netsec. com - Name
- ABUSE CYBERWILLLIMITEDHK
- Handle
- AC1702-AP