21/tcp
FTP
first 2026-07-01 · last 2026-07-01
- Banner
- 220 StudyNAS FTP server ready.
Raw response
220 StudyNAS FTP server ready.
Host
49.142.34.75
Tags: Database
As of our latest check on 2026-07-01, 49.142.34.75 (kt HCN Co.,Ltd., AS9762, South Korea) had 4 open ports (21, 22, 80, 3306) and 58 known CVEs.
Known CVEs on this host
4open ports
0names pointing here
58known CVEs
0known exploited
Open ports and CVEs as of our latest check of this host, 2026-07-01.
CVEs by severity: CRITICAL 3 HIGH 20 MEDIUM 23 LOW 12
A match is an indication, not proof: it is based on the software version a service reported, and fixes are often backported without changing the version. See the list
- Network
- kt HCN Co.,Ltd. AS9762
- Open ports
- 21, 22, 80, 3306 · at our latest check, 2026-07-01
- Location
- South Korea KR
- Route
- 49.142.32.0/22 · announced by kt HCN Co.,Ltd. AS9762 no RPKI authorisation
- Organisation
- kt HCN Co.,Ltd.
- Registry network
- HCN-KR · 49.142.0.0 - 49.142.255.255 · APNIC
- Abuse contact
- [email protected] · for HCN-KR
- First seen
- 2026-07-01 03:43 UTC
- Last seen alive
- 2026-07-01 03:45 UTC
- Hosted domains
- No host name points here
Reputation
Not a Tor relay, not a VPN or privacy relay address, and not on a current public blocklist.
Services (4)
- Server
- SSH-2.0-OpenSSH_8.2
- Host key
- ssh-ed25519 6dff85eb42abe87c…
Raw response
SSH-2.0-OpenSSH_8.2
80/tcp
HTTP
nginx
first 2026-07-01 · last 2026-07-01
- Status
- 403 Forbidden
- Server
- nginx
Raw response
HTTP/1.1 400 Bad Request Server: nginx Date: Wed, 01 Jul 2026 03:43:40 GMT Content-Type: text/html Content-Length: 150 Connection: close <html> <head><title>400 Bad Request</title></head> <body> <center><h1>400 Bad Request</h1></center> <hr><center>nginx</center> </body> </html>
- Protocol
- 5.5.5-10.11.6-MariaDB
Raw response
Y 5.5.5-10.11.6-MariaDB�L!uKWT~Ag��!��b6$RQ!L>3"NCmysql_native_password
Vulnerabilities
Port history
Every port that has answered a connection on this address, and when. A port is listed as open above only when a service was identified on it. Times are UTC.