Example 31 Nmap Ping Sweep
[tick:/Users/sconvery] sconvery# nmap -sP 10.1.1.0/24 Starting nmap V. 3.00 ( www.insecure.org/nmap/ )
Host (10.1.1.0) seems to be a subnet broadcast address (returned 3 extra pings).
Note -- the actual IP also responded. Host (10.1.1.1) appears to be up. Host (10.1.1.12) appears to be up. Host (10.1.1.22) appears to be up. Host (10.1.1.23) appears to be up. Host (10.1.1.101) appears to be up.
Host (10.1.1.255) seems to be a subnet broadcast address (returned 3 extra pings). Note -- the actual IP also responded. Nmap run completed -- 256 IP addresses (7 hosts up) scanned in 4 seconds
In 4 seconds, Nmap found the five live hosts on the network. A specific scan on my default gateway yields the make of my firewall, as shown in Example 3-2.
Continue reading here: War Dialing and War Driving
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