Showing posts with label TCP. Show all posts
Showing posts with label TCP. Show all posts

Wednesday, 23 August 2017

What IP's are on my subnet?

1.) Clear arp cache
sudo arp -ad

2.) Ping your subnet, for example...
ping 10.1.1.255

3.) Now look at arp entries
arp -a

Alternatively carry out an nmap ping scan (nmap uses ARP under the covers for this)
nmap -sn 10.1.1.0/24