sudo arp-scan --localnet
[sudo] password for pi:
Interface: wlp4s0, datalink type: EN10MB (Ethernet)
Starting arp-scan 1.9 with 256 hosts (http://www.nta-monitor.com/tools/arp-scan/)
192.168.43.1 88:d7:f6:6a:1f:d0 (Unknown)
192.168.43.9 48:2c:a0:62:34:d3 (Unknown)
2 packets received by filter, 0 packets dropped by kernel
Ending arp-scan 1.9: 256 hosts scanned in 2.695 seconds (94.99 hosts/sec). 2 responded