Data as of Nov 12, 2026
128.1.41.0/24
No anonymizer space · no proxy exits in 30 daysUcloud Information Technology (HK) Limited · space held by Zenlayer Inc
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 128.1.0.0/16 since Nov 2016 | AS21859 | Hosting | 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 |
|---|---|---|---|---|---|---|
| 128.1.0.0/16 | 65,536 | ZL-LAX3-003 | Zenlayer Inc (ZENLA-7) · US | Direct Allocation | Sep 7, 2016 | abuse@ |
| └ 128.1.41.0/24 | 256 | ZL-IAD-UCLOUD-0032 | UCLOUD (UCLOU-1) · HK | Reassigned | Mar 28, 2019 | unoc@ |
Network & registry
IPv4 market
Holder
- Organization
- Zenlayer Inc
- Handle
- ZENLA-7
- Range
- 128.
1. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Sep 7, 2016
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2017
- Current origin since
- Nov 2017 · 9.0 yr
- Origin networks
- 2
- Last change of origin
- Nov 2017
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 128.1.40.0/21 | AS135377 | /24 | ARIN | RPKI valid |
| 128.1.0.0/16 | AS21859 | /24 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS135377 | RADB | UCloud (HK) Holdings Group Limited | MAINT-AS135377 | Nov 11, 2025 |
Whois
Registration for this announcement
- Range
- 128.
1. 41. 0/ 24 - Netname
- ZL-IAD-UCLOUD-0032
- 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-128-1-41-0-1
- Parent
- NET-128-1-0-0-1
- Created
- Mar 28, 2019
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 7, 2016
- Status
- assigned
Report abuse
Abuse contact
- unoc@
ucloud. cn - Name
- IP ABUSE Ucloud
- Phone
- +86 17721465033
- Handle
- IAU2-ARIN