Overview of services running on Port 111 TCP.
~4.29 Million 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	Info	OS	Devicetype	Count	Percent
rpcbind						4250226	99.18
http						10759	0.251
no match						5697	0.133
http	SonicWALL				firewall	3683	0.086
chat	AIM or ICQ server					2001	0.047
http	a_63					1873	0.044
http	Microsoft IIS httpd					873	0.02
ssl	SSLv3					813	0.019
http	Apache	2.2.8	PHP/5.2.4-2ubuntu5.19 with Suhosin-Patch			553	0.013
http	lighttpd	1.4.19				423	0.01
http	lighttpd	1.4.29				416	0.01
pop3						372	0.009
http	AIM	1.0				327	0.008
http	Microsoft HTTPAPI httpd	2.0	SSDP/UPnP	Windows		323	0.008
pop3	MailEnable POP3 Server			Windows		301	0.007
pop3	Courier pop3d					227	0.005
http	Netwave IP camera http config				webcam	208	0.005
http	Avtech AVN801 network camera	1.0	UPnP 1.0		webcam	201	0.005
pop3	Dovecot pop3d					187	0.004
http	Microsoft IIS httpd	6.0		Windows		177	0.004
http	Apache	2.2.8	(Ubuntu) PHP/5.2.4-2ubuntu5.19 with Suhosin-Patch			160	0.004
pop3pw	Mercury/32 poppass service			Windows		142	0.003
http	GoAhead-Webs httpd					141	0.003
http	Boa HTTPd	0.94.14rc21				126	0.003
smtp						114	0.003
ssh			protocol 1.5			103	0.002
http	uc-httpd	1.0.0				101	0.002
http	Apache Tomcat/Coyote JSP engine	1.1				96	0.002
pop3	Microsoft Exchange 2007-2010 pop3d			Windows		91	0.002
pop3	Microsoft Exchange 2003 pop3d	6.5.7638.1		Windows		88	0.002
arcserve	ARCserve Discovery					85	0.002
telnet						78	0.002
vnc	VNC		protocol 3.8			77	0.002
http	Hikvision-Webs					75	0.002
http	thttpd	2.24				65	0.002
pop3	Microsoft Windows 2003 POP3 Service	1.0		Windows 2000		62	0.001
http	mini_httpd	1.19 19dec2003				61	0.001
directconnect	Direct Connect P2P			Windows		57	0.001
smtp	Exim smtpd					56	0.001
pop3	hMailServer pop3d			Windows		55	0.001
ssh	OpenSSH	4.3	protocol 2.0			53	0.001
pop3	qmail pop3d					52	0.001
ftp						51	0.001
http	DVR Systems webcam http interface				webcam	47	0.001
http	CCProxy					47	0.001
ftp	Microsoft ftpd			Windows		47	0.001
http	PDR-M800	1.0				45	0.001
http	Apache					43	0.001
pop3	tpop3d					40	0.001
http	Gadspot/Avtech AV787 webcam http config				webcam	40	0.001
http	thttpd	2.25b				38	0.001
pop3	Zimbra pop3d					36	0.001
pop3	MailMax pop3d			Windows		35	0.001
http-proxy	Squid http proxy	2.6.STABLE12				33	0.001
ssh	OpenSSH	5.3p1 Debian 3ubuntu7	Ubuntu Linux; protocol 2.0	Linux		32	0.001
pop3	Dovecot DirectAdmin pop3d					32	0.001
http	Boa HTTPd	0.94.13				29	0.001
http	Rhinosoft Serv-U httpd	9.4.0.2				28	0.001
http	Cross Web Server					28	0.001
pop3-proxy	UserGate pop3 proxy			Windows		27	0.001
vnc	RealVNC Enterprise		protocol 4.1			26	0.001
http	GoAhead-Webs					26	0.001
ssh	OpenSSH	5.9p1 Debian 5ubuntu1	Ubuntu Linux; protocol 2.0	Linux		25	0.001
http-proxy	Squid http proxy	2.7.STABLE9				25	0.001
pop3-proxy	Zarafa pop3 proxy			Unix		24	0.001
vnc	RealVNC Personal		protocol 4.0			23	0.001
ssh	OpenSSH	5.5p1 Debian 6+squeeze2	protocol 2.0	Linux		23	0.001
ssh	Dropbear sshd	0.52	protocol 2.0	Linux		23	0.001
http	Mbedthis-Appweb	2.0.4				23	0.001
http	GeoVision GeoHttpServer for webcams				webcam	22	0.001
http	thttpd		Panasonic BB-HCM511 IP camera http config			21	0.0
ssh	OpenSSH	5.1p1 Debian 5	protocol 2.0	Linux		20	0.0
socks-proxy	CCProxy socks proxy		unauthorized			20	0.0
http	Apache		SSL-only mode			20	0.0