root@Computer2-Debian10p7:/home/user_2# nmap -sP 192.168.207.0/24
Starting Nmap 7.70 ( https://nmap.org ) at 2020-12-10 17:04 EST
Nmap scan report for 192.168.207.102
Host is up (0.00043s latency).
MAC Address: 58:D5:6E:xx:xx:xx (Unknown)
Nmap scan report for 192.168.207.104
Host is up (0.0033s latency).
MAC Address: 00:0C:41:xx:xx:xx (Cisco-Linksys)
Nmap scan report for 192.168.207.105
Host is up (0.00084s latency).
MAC Address: 00:1C:C4:xx:xx:xx (Hewlett Packard)
Nmap scan report for 192.168.207.113                                 }
Host is up (-0.098s latency).                                        } (!) here it should be the LAN MAC at this IP address
MAC Address: yy:yy:yy:yy:yy:yy (Intel Corporate - Toshiba Laptop)    }________________________________________________________________________
Nmap scan report for 192.168.207.114                                 }
Host is up (-0.097s latency).                                        } (!) this is the same computer as above, but through its WIFI interface
MAC Address: yy:yy:yy:yy:yy:yy (Intel Corporate - Toshiba Laptop)    }
Nmap scan report for 192.168.207.126
Host is up (-0.096s latency).
MAC Address: 54:EE:75:xx:xx:xx (Wistron InfoComm(Kunshan)Co.)
Nmap scan report for 192.168.207.129                                  <<== This is an Apple iPad
Host is up (0.010s latency).
MAC Address: 1C:AB:A7:xx:xx:xx (Apple)
Nmap scan report for 192.168.207.130
Host is up (0.27s latency).
MAC Address: A8:96:75:xx:xx:xx (Motorola Mobility, a Lenovo Company)
Nmap scan report for Router-Name (192.168.207.201)
Host is up (0.0022s latency).
MAC Address: 3C:90:66:xx:xx:xx (SmartRG)
Nmap scan report for ZZZZZZZZZZZ (192.168.207.204)
Host is up (0.00098s latency).
MAC Address: C8:5B:76:xx:xx:xx (Lcfc(hefei) Electronics Technology)
Nmap scan report for 192.168.207.108
Host is up.
Nmap done: 256 IP addresses (11 hosts up) scanned in 4.14 seconds