ftpscan archive: compilenix.org/ftpscan/archive/
220 Welcome to localhost151.217.118.11
220 Welcome friend151.217.97.12
220-FileZilla Server 1.8.2 220 Please visit https://filezilla-project.org/151.217.84.14
220 AXIS 560 FTP Network Print Server V6.00 Jul 7 1999 ready.151.217.80.139
220 ProFTPD Server ready.151.217.75.144
220 ZBR-79071 Version V84.20.23Z ready.151.217.73.14
220 MikroTik FTP server (MikroTik 7.16.2) ready 331 Password required for anonymous151.217.62.63
220 Happy hacking everyone! ;) (powered by unFTP)151.217.62.87
220 (vsFTPd 3.0.3) 331 Please specify the password.151.217.62.54
220 ProFTPD Server (20tb finest stuff with 10gbits) [151.217.62.54]151.217.62.55
220 ProFTPD Server (20tb finest stuff with 10gbits) [151.217.62.55]151.217.62.48
220 ProFTPD Server (20tb finest stuff with 10gbits) [151.217.62.48]151.217.62.89
220 ProFTPD Server (YoloFTP) [::ffff:151.217.62.89]151.217.62.42
220 Welcome to Rclone v1.68.2 FTP Server151.217.62.41
220 (vsFTPd 3.0.3)151.217.62.49
220 ProFTPD Server (purr) [::ffff:151.217.62.49]151.217.62.37
220 ProFTPD Server (Debian) [::ffff:151.217.62.37]151.217.62.36
220 ProFTPD Server (HYDE) [::ffff:151.217.62.36]151.217.62.31
220 (vsFTPd 3.0.5)151.217.62.30
220 ProFTPD Server (miku) [151.217.62.30]151.217.62.28
220 (vsFTPd 3.0.3)151.217.62.16
220 (vsFTPd 3.0.3)151.217.60.15
220 ProFTPD Server (PurpleTentacle) [::ffff:151.217.60.15]151.217.59.153
220 (vsFTPd 3.0.3)151.217.15.75
220---------- Welcome to Pure-FTPd [privsep] [TLS] ---------- 220-You are user number 34 of 200 allowed. 220-Local time is now 16:11. Server port: 21. 220-IPv6 connections are also welcome on this server. 220 You will be disconnected after 2 minutes of inactivity.151.217.16.139
550 12345 0f7000f800770008777000000000000000f80008f7f70088000cf00151.217.5.20
220 MikroTik FTP server (MikroTik 7.16.1) ready151.217.4.17
220 (vsFTPd 3.0.5)151.217.2.144
220 MikroTik Pixelflut FTP server (MikroTik 7.16.2) ready151.217.1.16
220-Microsoft FTP Service 220 this server runs windows server 2012 btw