Data as of Nov 3, 2026
45.43.53.0/24
No anonymizer space · no proxy exits in 30 daysUcloud Information Technology (HK) Limited · space held by Zenlayer 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 |
|---|---|---|---|---|---|---|
| 45.43.32.0/19 | 8,192 | ZEN-X-002 | Zenlayer Inc (ZENLA-7) · US | Direct Allocation | Mar 27, 2015 | [email protected] |
| └ 45.43.53.0/24 | 256 | ZL-HKG-UCLOUD-0051 | UCLOUD (UCLOU-1) · HK | Reassigned | Mar 29, 2019 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Zenlayer Inc
- Handle
- ZENLA-7
- Range
- 45.43.32.0/19
- Registration type
- Direct Allocation
- Record created
- Mar 27, 2015
Origin network
AS135377
HK
- Name
- Ucloud Information Technology (HK) Limited
- Type
- Hosting
- Registered
- Apr 27, 2016
- Domain
- ucloud.cn
- Website
- www.ucloud.cn
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jul 2017
- Current origin since
- Aug 2018 · 8.2 yr
- Origin networks
- 4
- Last change of origin
- Jul 2025
Recorded history
History
- Handoffs
- 3
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 45.43.52.0/23 | AS62610 | /24 | ARIN | Another network |
| 45.43.52.0/22 | AS135377 | /24 | ARIN | RPKI valid |
| 45.43.32.0/19 | AS21859 | /24 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS135377 | RADB | ZL-IDC-HKG-UCLOUD | MAINT-AS21859 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 45.43.53.0/24
- Netname
- ZL-HKG-UCLOUD-0051
- Registrant
- UCLOUD
- Organization
- UCLOUD (UCLOU-1)
- Org address
- FLAT/RM 603 6/ FLAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD KL, Hong Kong
- Org country
- HK
- Type
- Reassigned
- Handle
- NET-45-43-53-0-1
- Parent
- NET-45-43-32-0-1
- Created
- Mar 29, 2019
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 27, 2015
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- IP ABUSE Ucloud
- Phone
- +86 17721465033
- Handle
- IAU2-ARIN