How to scan your network for computers

You can use arp-scan to scan the IPs of all computers connected to your local network:

me@pc ~ $ sudo arp-scan -l
Interface: enp2s0, datalink type: EN10MB (Ethernet)
Starting arp-scan 1.9 with 256 hosts (	10:1d:s3:2j:34:c9	Buffalo Inc.	60:x1:50:d3:9k:72	Murata Manufactuaring Co.,Ltd.	55:jd:s5:9d:4c:4c	(Unknown)	58:k8:3t:sd:78:5s	Technicolor	00:02:s4:30:a4:db	Hewlett-Packard Company

5 packets received by filter, 0 packets dropped by kernel
Ending arp-scan 1.9: 256 hosts scanned in 2.421 seconds (105.74 hosts/sec). 5 responded.

Btw ‘Murata Manufactuaring Co.,Ltd.’ turned out to be my mobile phone!

You could alternatively use nmap:

me@pc ~ $ nmap -sP 192.168.1.*

Starting Nmap 6.25 ( ) at 2013-07-12 14:02 BST
Nmap scan report for
Host is up (0.00040s latency).
Nmap scan report for android-96d32y81s5hf2d4f.lan (
Host is up (0.043s latency).
Nmap scan report for
Host is up (0.0060s latency).
Nmap scan report for router (
Host is up (0.0011s latency).
Nmap done: 256 IP addresses (4 hosts up) scanned in 6.22 seconds


Last modified: 26/11/2016 Tags:

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