af -h
Usage of af:
  -I    Display list of interfaces and exit.
  -d    Enable debug logging
  -f    Run ARP spoofing in fullduplex mode
  -g string
        IPv4 address of custom gateway (Default: default gateway)
  -i string
        The name of the network interface. Example: eth0 (Default: default interface)
  -interval duration
        Interval between sent packets (default 5s)
  -n string
        The name or path of network namespace (Linux/Android) (Default: default namespace)
  -nocolor
        Disable colored output
  -t string
        Targets for ARP spoofing. Example: "10.0.0.1,10.0.0.5-10,192.168.1.*,192.168.10.0/24" (Default: entire subnet)