Overview of services running on Port 60021 TCP.
~49 Thousand IP addresses observed from May to December 2012
To get raw lists of the data go to Download. For an explanation of what this data is and how it was obtained, see Paper.

Servicename Product Version Count Percent
ftpNetgear broadband router or ZyXel VoIP adapter ftpd1.04148883.117
no match-/--/-18123.63
chatAIM or ICQ server17573.52
ftpProFTPD1.3.27061.414
httplighttpd1.4.193670.735
http3230.647
ftp2120.425
ftpvsftpd2.0.8 or later1480.297
ftpMikroTik router ftpd4.171450.29
httpMicrosoft IIS httpd1280.256
ftpMikroTik router ftpd5.141220.244
ftpvsftpd2.0.71200.24
ftpvsftpd2.0.51140.228
ftpMikroTik router ftpd5.81130.226
httpMicrosoft HTTPAPI httpd2.0970.194
ssh890.178
ftpMicrosoft ftpd810.162
ftpProFTPD1.3.1770.154
httpAllegro-Software-RomPager4.30b3690.138
httpthttpd680.136
telnet670.134
ftpPure-FTPd530.106
httpCisco IOS http config470.094
vncVNC460.092
ftpServ-U ftpd6.4410.082
ftpMikroTik router ftpd5.17410.082
ftpProFTPD1.3.3390.078
ftpMikroTik router ftpd2.9.42390.078
ftpMikroTik router ftpd4.11330.066
ftpFileZilla ftpd0.9.41 beta310.062
ftpvsftpd2.2.2290.058
httpBoa HTTPd0.94.14rc21270.054
ftpDreambox ftpd270.054
httpVirata-EmWeb5.3.0260.052
ftpMikroTik router ftpd5.7260.052
ftpMikroTik router ftpd3.30260.052
ftpMikroTik router ftpd4.6250.05
ftpProFTPD1.3.4a240.048
ftpFileZilla ftpd0.9.37 beta240.048
httpUbicom1.1230.046
httpmicro_httpd230.046
ftpProFTPD1.3.3a210.042
ftpMikroTik router ftpd5.16210.042
ftpMikroTik router ftpd3.10210.042
ftpoftpd200.04
ftpMikroTik router ftpd5.18200.04
sshOpenSSH4.3190.038
ftpMikroTik router ftpd5.11190.038
ftpMikroTik router ftpd5.6180.036
ftpvsftpd2.3.2170.034
httpRouter160.032
ftpMikroTik router ftpd4.10160.032
ftpMikroTik router ftpd3.20160.032
ftpFileZilla ftpd0.9.39 beta160.032
httpthttpd2.25b150.03
ftpMikroTik router ftpd5.19150.03
ftpGene6 ftpd3.10.0 build 2150.03