How can I display the arp table in Linux? | The Planet Knowledge Base

The arp command can be used to display various arp information.

[root@root root]# arp

Address
HWtype
HWaddress
Flags
Mask
Iface

172.16.210.108
ether   00:0F:34:80:7F:00
C
eth0

172.16.220.185
ether   00:30:48:51:FA:CF
C
eth0

172.16.210.100
ether   00:12:00:F5:B4:80
C
eth0

172.16.210.102
ether   00:0D:BD:ED:B0:80
C
eth0

172.16.210.103
ether   00:11:BB:8C:D8:C0
C
eth0

172.16.216.29
ether   00:0A:41:E4:D4:C0
C
eth0

172.16.220.21
ether   00:07:E9:5C:A4:B3
C
eth0

172.16.220.52
ether   00:D0:B7:5D:11:B7
C
eth0

[root@root root]#

For more information on arp review the man page.