101.37.34.172
An address in Shanghai, China, used by Aliyun Computing Co., LTD, announced by Hangzhou Alibaba Advertising Co.,Ltd. (AS37963). It's hosting space of Alibaba Cloud, a mail server on port 587, and a web server on port 80.
Summary
Geolocation
Where the address is, and what that place uses.
- City
- Shanghai
- Region
- Shanghai
- Postal code
- 200000
- Country
- China
- Continent
- Asia
- Coordinates
- 31.2222, 121.4581
- Timezone
- Asia/Shanghai
Ownership
Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.
- Company
- Aliyun Computing Co., LTD
- Type
- Hosting
- Registered in
- China
- Name
- Aliyun Computing Co., LTD
- Network name
- ALISOFT
- Status
- ALLOCATED PORTABLE
- Registry
- APNIC
- Domain
- cnnic.cn
- Abuse
- ipas@cnnic.cn
- Address
- No.391 Wen'er Road, Hangzhou, Zhejiang, China, 310099
- Network
- 101.37.0.0-101.37.255.255
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
- 587
- Banner
- 220 iZ39pfx0kbtxddZ ESMTP
- Greeting
- Completed
- First seen
- 2026-07-29
- Last seen
- 2026-10-09
- 80 status
- 200
- 80 server
- Apache/2.4.33 (Win32) OpenSSL/1.0.2o mod_fcgid/2.3.9 mod_jk/1.2.40
- 80 title
- Roundcube Webmail :: Welcome to Roundcube Webmail
- 80 seen
- 2026-07-30 to 2026-10-09
Test the real build first.
An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.