How to find all machines in local network
2017-12-10 18:19:21
find Gateway by route command
route -n
---------------------------------
Kernel IP routing table
Destination Gateway Genmask Fla Metric Ref Use Iface
0.0.0.0 192.168.0.1 0.0.0.0 UG 100 0 0 enp8s0
169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 enp8s0
192.168.0.0 0.0.0.0 255.255.255.0 U 100 0 0 enp8s0
netdiscover
sudo netdiscover -r 192.168.0.1/24
----------------------------------------
3 Captured ARP Req/Rep packets, from 3 hosts. Total size: 162
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_
IP At MAC Address Count Len MAC Vendor / Hostname
-----------------------------------------------------------------------------
192.168.0.1 a0:xxxxxxxxxxxxxx 1 60 TP-LINK
192.168.0.100 a1:xxxxxxxxxxxxxx 1 60 ASUSTek
192.168.0.101 a2:xxxxxxxxxxxxxx 1 42 CADMUS COMPUTER SYSTEMS
nmap scan base on the Gateway
nmap 192.168.0.1/24 -n -sP
--------------------------------
Starting Nmap 7.01
Nmap scan report for 192.168.0.1 - Host is up (0.00083s latency).
Nmap scan report for 192.168.0.100 - Host is up (0.00045s latency).
Nmap scan report for 192.168.0.101 - Host is up (0.00043s latency).
Nmap scan report for 192.168.0.102 - Host is up (0.096s latency).
Nmap scan report for 192.168.0.104 - Host is up (0.0014s latency).
Nmap done: 256 IP addresses (5 hosts up) scanned in 3.08 seconds