21/tcp
FTP
first 2026-06-08 · last 2026-06-08
- Banner
- 220 FTP Server (USG20-VPN) [::ffff:100.64.85.138]
Raw response
220 FTP Server (USG20-VPN) [::ffff:100.64.85.138]
Host
217.71.5.138
Tags: Self-signed certificate
As of our latest check on 2026-06-08, 217.71.5.138 (BOLIGNET A/S, AS44134, Denmark) had 4 open ports (21, 22, 80, 443) and no known CVEs.
Known CVEs on this host
4open ports
0names pointing here
0known CVEs
0known exploited
Open ports and CVEs as of our latest check of this host, 2026-06-08.
No known CVEs on this host.
- Network
- BOLIGNET A/S AS44134
- Open ports
- 21, 22, 80, 443 · at our latest check, 2026-06-08
- Location
- Denmark DK
- Hostname
- 217.71.5.138.notinuse.bolignet.dk · reverse DNS, checked 2026-10-05
- Route
- 217.71.0.0/20 · announced by BOLIGNET A/S AS44134 RPKI valid
- Organisation
- BOLIG∙NET A/S · Access network (cable / DSL / ISP)
- Registry network
- BOLIGNET-STATIC · 217.71.4.0 - 217.71.7.255 · RIPE
- Abuse contact
- [email protected] · for BOLIGNET-STATIC
- First seen
- 2026-06-08 07:30 UTC
- Last seen alive
- 2026-06-08 07:36 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)
22/tcp
SSH
Zyxel
first 2026-06-08 · last 2026-06-08
- Server
- SSH-2.0-Zyxel SSH server
- Host key
- ssh-rsa 0612f95d584cf557…
Raw response
SSH-2.0-Zyxel SSH server
80/tcp
HTTP
first 2026-06-08 · last 2026-06-08
- Status
- 302 Found
- Title
- 302 Found
Raw response
HTTP/1.1 302 Found Date: Mon, 08 Jun 2026 07:33:23 GMT Location: https://100.64.85.138:443/redirect.cgi?arip=217.71.5.138&original_url=http://217.71.5.138/ Content-Length: 278 Connection: close Content-Type: text/html; charset=iso-8859-1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <html><head> <title>302 Found</title> </head><body> <h1>Found</h1> <p>The document has moved <a href="https://100.64.85.138:443/redirect.cgi?arip=217.71.5.138&original_url=http://217.71.5.138/">here</a>.</p> </body></html>
443/tcp
TLS
first 2026-06-08 · last 2026-06-08
- TLS
- TLSv1.2
- Certificate for
- usg20-vpn_BCCF4F4B11C3
- Issued by
- usg20-vpn_BCCF4F4B11C3
- Valid
- 2019-04-04 → 2029-04-01
- Note
- self-signed certificate
Raw response
HTTP/1.1 400 Bad Request Date: Mon, 08 Jun 2026 07:33:23 GMT Content-Length: 362 Connection: close Content-Type: text/html; charset=iso-8859-1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <html><head> <title>400 Bad Request</title> </head><body> <h1>Bad Request</h1> <p>Your browser sent a request that this server could not understand.<br /> Reason: You're speaking plain HTTP to an SSL-enabled server port.<br /> Instead use the HTTPS scheme to access this URL, please.<br /> </p> </body></html>
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.