I discovered a really cool feature of IOS that is probably common knowledge but I was never aware of.
You can perform a ping sweep of a directly connected network by pinging the broadcast or Network address.
The output is as follows :
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.1.255, timeout is 2 sec
Reply to request 0 from 192.168.1.19, 4 ms
Reply to request 0 from 192.168.1.59, 40 ms
Reply to request 0 from 192.168.1.57, 40 ms
Reply to request 0 from 192.168.1.56, 40 ms
This is incredibly useful for doing discovery and populating the routers ARP table after a reboot.