Overview of services running on Port 548 TCP.
~466 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	Count	Percent
no match	-/-	193457	41.451
afp	Apple AFP	156827	33.602
afp	Apple Time Capsule AFP	53555	11.475
afp	Netatalk	31637	6.779
afp	Apple Airport Extreme/Time Capsule AFP	21374	4.58
chat	AIM or ICQ server	2372	0.508
afp	Novell NetWare AFP	1413	0.303
afp		1235	0.265
ssl	TLSv1	1042	0.223
ssl	SSLv3	534	0.114
http		451	0.097
http	lighttpd	419	0.09
afp	Novell Open Enterprise Server	212	0.045
http	Microsoft IIS httpd	205	0.044
http	thttpd	177	0.038
http	GoAhead-Webs httpd	140	0.03
http	Microsoft HTTPAPI httpd	135	0.029
ssh	OpenSSH	131	0.028
lexlm	Lexmark language monitor	109	0.023
ssh		96	0.021
afp	Apple Airport Extreme AFP	85	0.018
http	Boa HTTPd	80	0.017
http	Apache	75	0.016
http-proxy	Squid http proxy	72	0.015
vnc	VNC	68	0.015
arcserve	ARCserve Discovery	52	0.011
dominoconsole	Lotus Domino Console	47	0.01
http	Hikvision-Webs	41	0.009
telnet	Allied Telesis x900-series switch telnetd	36	0.008
mysql	MySQL	34	0.007
http	Apache Tomcat/Coyote JSP engine	32	0.007
netbios-ssn		25	0.005
ftp	Microsoft ftpd	25	0.005
telnet		22	0.005
http	nginx	21	0.004
ftp	vsftpd	21	0.004
smtp	Microsoft ESMTP	19	0.004
ftp	ProFTPD	19	0.004
ftp	FileZilla ftpd	18	0.004
ftp		17	0.004
vnc	RealVNC Enterprise	14	0.003
ftp	Pure-FTPd	14	0.003
tandem-print	Sharp printer tandem printing	12	0.003
smtp		12	0.003
ftp	Serv-U ftpd	12	0.003
ssl	Microsoft IIS SSL	11	0.002
smtp	Microsoft Exchange smtpd	11	0.002
minecraft	Minecraft game server	10	0.002
http-proxy	F5 BIG-IP load balancer http proxy	10	0.002