calc_cidr_range.py

#!/usr/bin/env python
_input = "10.0.0.0/32"


def cidr_hosts_calc(n):
    return 2**(32-n)


cidr_mask = int(_input.split('/')[-1])

if int(cidr_mask) < 0:
    print('Mask can\'t be less than 0')
    quit()  # Ghetto break
elif int(cidr_mask) > 32:
    print('Mask can\'t be larger than 32')
    quit()  # Ghetto break

_ip = _input.split('/')[0].split('.')
hosts = cidr_hosts_calc(cidr_mask)

print(hosts)