211.82.57.41
An address in Shanghai, China, used by China Education and Research Network, announced by China Education and Research Network Center (AS4538). Of our anonymity, network and service databases, it is in Web IP.
7 of 24 address-keyed databases hold it
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
- China Education and Research Network
- Type
- Education
- Registered in
- China
- Name
- China Education and Research Network
- Handle
- CERNET-CN
- Status
- ALLOCATED PORTABLE
- Registry
- APNIC
- Domain
- cernet.edu.cn
- Abuse
- abuse@cernet.edu.cn
- Name
- ABUSE CERNETAP
- abuse@cernet.edu.cn
- Phone
- +86-10-62784301
- Address
- Network Center,, FIT-3-220, Tsinghua Univ, Beijing 100084, China
- Network
- 211.81.0.0-211.82.255.255
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, an anycast service, a CDN edge.
Services
What our own internet-wide measurement found listening on it.
- 80 status
- 200
- 80 server
- nginx
- 80 seen
- 2026-07-27 to 2026-10-09
- 443 status
- 403
- 443 server
- nginx
- 443 title
- 403 Forbidden
- 443 TLS
- TLSv1.3
- 443 certificate
- *.jzxy.edu.cn · 晋中学院
- 443 issuer
- C=US, O=DigiCert\, Inc., CN=DigiCert Basic OV G2 TLS CN RSA4096 SHA256 2022 CA1
- 443 browser-trusted
- Yes
- 443 seen
- 2026-07-26 to 2026-10-19
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