MacOsWindowsDescription
netstat -rnetstat -r / route printDisplays selections related to the current TCP/IP network status: 

Interface List – Lists the Media Access Control (MAC) address and assigned interface number of every network-capable interface on the host, including Ethernet, Wi-Fi, and Bluetooth adapters.

IPv4 Route Table – Lists all known IPv4 routes, including direct connections, local network, and local default routes.

IPv6 Route Table – Lists all known IPv6 routes, including direct connections, local network, and local default routes. 
show ip routeDisplays the router’s IPv4 routing table 
ifconfig (interface configuration)ipconfig /allIt is used to view and change the configuration of the network interfaces on an operation system.
ifconfig en0Viewing configuration of specific interface. 
arp -ashow ip arpDisplays the ARP (Address Resolution Protocol) table of a system in the command prompt. 

ARP – Address Resolution Protocol (ARP) cache is a simple mapping of IP address to MAC address.