Data as of Nov 4, 2026
45.121.203.0/24
No anonymizer space · no proxy exits in 30 daysUDomain Web Hosting Company Ltd · reallocated from New Sky Internet 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 |
|---|---|---|---|---|---|---|
| 45.121.200.0/22 | 1,024 | NEWSKY-HK | New Sky Internet Limited (ORG-NSIL2-AP) · HK | ALLOCATED PORTABLE | — | report_ |
| └ 45.121.203.0/24 | 256 | UDOMAIN-HK | UDomain Web Hosting Company Ltd | ALLOCATED NON-PORTABLE | — | support@ |
Network & registry
Registry
Holder
- Organization
- New Sky Internet Limited
- Handle
- ORG-NSIL2-AP
- Range
- 45.
121. 200. 0/ 22 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- UDomain Web Hosting Company Ltd
- Reallocated range
- 45.
121. 203. 0/ 24 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS23881
HK
- Name
- UDomain Web Hosting Company Ltd
- Type
- Hosting
- Registered
- Aug 19, 2003
- Domain
- udomain.hk
- Website
- www.udomain.hk
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2015
- Current origin since
- Jul 2015 · 11 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 45.121.203.0/24 | AS23881 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 45.
121. 203. 0/ 24 - Netname
- UDOMAIN-HK
- Registrant
- UDomain Web Hosting Company Ltd
- Registrant country
- HK
- Organization
- UDomain Web Hosting Company Ltd
- Org country
- HK
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Jan 5, 2022
- Maintainer
- MAINT-NEWSKY-AP
- RIR
- APNIC
- Country
- HK
- Delegated
- Jul 3, 2015
- Status
- assigned
Report abuse
Abuse contact
- support@
udomain. com. hk - Name
- ABUSE UDOMAINHK1
- Handle
- AU302-AP