arp-scan -l
┌──(kali㉿kali)-[~]
└─$ sudo arp-scan -l
Interface: eth0, type: EN10MB, MAC: 00:0c:29:26:12:41, IPv4: 172.16.20.14
WARNING: Cannot open MAC/Vendor file ieee-oui.txt: Permission denied
WARNING: Cannot open MAC/Vendor file mac-vendor.txt: Permission denied
Starting arp-scan 1.10.0 with 256 hosts (<https://github.com/royhills/arp-scan>)
172.16.20.1 60:15:2b:4c:af:10 (Unknown)
172.16.20.10 9c:a2:f4:e5:ab:74 (Unknown)
172.16.20.13 e8:65:38:a5:e5:d9 (Unknown)
172.16.20.11 bc:d0:74:9e:4d:0f (Unknown)
172.16.20.17 00:0c:29:34:56:5b (Unknown)
5 packets received by filter, 0 packets dropped by kernel
Ending arp-scan 1.10.0: 256 hosts scanned in 1.
netdiscovery -r 172.16.20.0/24
Currently scanning: Finished! | Screen View: Unique Hosts
7 Captured ARP Req/Rep packets, from 5 hosts. Total size: 428
_____________________________________________________________________________
IP At MAC Address Count Len MAC Vendor / Hostname
-----------------------------------------------------------------------------
172.16.20.1 60:15:2b:4c:af:10 3 184 Unknown vendor
172.16.20.10 9c:a2:f4:e5:ab:74 1 60 TP-Link Corporation Limited
172.16.20.13 e8:65:38:a5:e5:d9 1 60 CLOUD NETWORK TECHNOLOGY SINGAPORE PTE. LTD.
172.16.20.11 bc:d0:74:9e:4d:0f 1 64 Apple, Inc.
172.16.20.17 00:0c:29:34:56:5b 1 60 VMware, Inc.