problem with nmap

[Andrey S. Rybak]

Installing libpcap from ports does not help. Error message is same.
Running nmap with -dd yield next:

Starting Nmap 6.00 ( http://nmap.org ) at 2012-06-01 05:42 EEST
Fetchfile found /usr/local/share/nmap/nmap-services
PORTS: Using top 1000 ports found open (TCP:1000, UDP:0, SCTP:0)
Fetchfile found /usr/local/share/nmap/nmap.xsl
The max # of sockets we are using is: 0
--------------- Timing report ---------------
   hostgroups: min 1, max 100000
   rtt-timeouts: init 1000, min 100, max 10000
   max-scan-delay: TCP 1000, UDP 1000, SCTP 1000
   parallelism: min 0, max 0
   max-retries: 10, host-timeout: 0
   min-rate: 0, max-rate: 0
---------------------------------------------
Read from /usr/local/share/nmap: nmap-services.
WARNING: No targets were specified, so 0 hosts scanned.
Nmap done: 0 IP addresses (0 hosts up) scanned in 0.04 seconds
            Raw packets sent: 0 (0B) | Rcvd: 0 (0B)