Final answer:
The address that appears in the running configuration file to identify the network is 172.16.64.0.
Step-by-step explanation:
The configuration command network 172.16.64.32 enables RIPv1 routing for the specific subnet 172.16.64.32. To identify this network in the running configuration file, the address that appears is the subnet address. In this case, the subnet address is 172.16.64.0.