Kak moga da skaniram po byrzo za ip adresi w mrevata.Za sega
 naj byrzoto e s nmap -sP 192.168.0/24, no men ne me ustrojwa
 i mi trqbwa po byrzo...Ima li nqkakyw na4in da stane towa
ili ne?

 Струва ми се, че ти искаш прекалено бързо да сканираш ДОРИ И
ПРЕДИ ДА СИ ПРОЧЕЛ МАЛКО ПОВЕЧЕ ЗА NMAP!

-F Fast scan mode.
 Specifies  that  you  only  wish to scan for ports listed in
 the services file which comes with nmap (or the protocols 
 file for-sO). This  is  obviously  much faster than scanning
all 65535 ports on a host.

 -n Tells  Nmap  to NEVER do reverse DNS resolution on the
 active IP addresses it finds.  Since DNS is  often  slow, 
this  can  help speed things up.

-T Aggressive
 Aggressive This  option  can  make certain  scans especially
  SYN  scans against heavily filtered hosts) much faster.  It
 is recommended for impatient folks  with a  fast net 
connection. 

--host_timeout <milliseconds>
--scan_delay <milliseconds>

и т.н. и т.н.
УСПЕХ

 for i in `seq 2 254`; do fping -q -t10 -r1 192.168.0.$i;
done

arp -an|grep -v incom