128.1.33.21
An address in Singapore, Singapore, used by UCLOUD, announced by Zenlayer Inc (AS21859). It's hosting space of Zenlayer, an SSH server on port 22, and a web server on ports 80 and 443.
Summary
Geolocation
Where the address is, and what that place uses.
- City
- Singapore
- Postal code
- 018989
- Country
- Singapore
- Continent
- Asia
- Coordinates
- 1.2897, 103.8501
- Timezone
- Asia/Singapore
Ownership
Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.
- Company
- UCLOUD
- Domain
- ucloud.cn
- Type
- Hosting
- Registered in
- Hong Kong
- AS number
- AS21859
- Name
- Zenlayer Inc
- Prefix
- 128.1.33.0/24
- RPKI
- Valid
- Type
- Hosting
- Domain
- zenlayer.com
- Registered in
- United States
- Name
- UCLOUD
- Network name
- ZL-HKG-UCLOUD-0085
- Organization
- UCLOU-1
- Status
- reassignment
- Registry
- ARIN
- Domain
- ucloud.cn
- Abuse
- hegui@ucloud.cn
- Name
- IP ABUSE Ucloud
- hegui@ucloud.cn
- Phone
- +86 17721465033
- Address
- FLAT/RM 603 6/ FLAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD KL, Hong Kong
- Network
- 128.1.33.0-128.1.33.255
Anonymity
Whether the address hides someone else: a VPN, Tor, a relay, a proxy pool, or a hosting range.
Network
What kind of network it is on: a mobile carrier, a satellite operator, an anycast service, a CDN edge.
Services
What our own internet-wide measurement found listening on it.
- Port
- 22
- Banner
- SSH-2.0-OpenSSH_9.6p1 Ubuntu-3ubuntu13
- Host key
- SHA256:5433dcacd1920720ef5e8685cbc19425aa923564bdb5fc9e913322f333d7784f
- Handshake
- Completed
- First seen
- 2026-07-31
- Last seen
- 2026-10-18
- 80 status
- 404
- 80 server
- nginx/1.24.0 (Ubuntu)
- 80 title
- 404 Not Found
- 80 seen
- 2026-07-26 to 2026-10-20
- 443 status
- 200
- 443 server
- nginx
- 443 title
- WaveKB 波浪理论知识库
- 443 TLS
- TLSv1.3
- 443 certificate
- wavekb.com
- 443 issuer
- C=US, O=Let's Encrypt, CN=YE2
- 443 browser-trusted
- Yes
- 443 seen
- 2026-08-01 to 2026-10-17
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