ip_calc.py

#!/usr/bin/env python

import ipcalc
from ipcalc import *
from netaddr import *
import sys

def how_to():
    print '\nUsage: ipcalc [-s|-v] <ADDRESS>/<NETMASK>\n -s \t Summary of ipcalc output \n -v \t Verbose ipcalc output with IP addresses'
    print '\nExamples:\nipcalc -s 192.168.0.1/24\nipcalc -v 192.168.0.1/29\nipcalc -s 192.168.0.1/255.255.255.248\nipcalc -v 192.168.0.1/255.255.255.240'

if len(sys.argv) <= 1:
    how_to()
    sys.exit(1)

def main():
    try:
        input = sys.argv[2]
        opt = sys.argv[1]
        print '\nIPCalc - tdr(dot)local(at)gmail.com'
        print '-----------------------------------'
        global ips
        global ip
        ips = Network(input)
        ip = IPNetwork(input)
        #oper()
        if opt == '-s':
            oper()
        elif opt == '-v':
            print '\nVerbose output:'
            oper()
            for x in ipcalc.Network(input):
                print str(x)
        else:
            how_to()
    except ValueError:
        print 'Invalid input!'
        how_to()
    except IndexError:
        how_to()
    except:
        print 'Invalid input!'

def oper():
    print '\nAddress: '+str(ips)
    print 'Netmask: '+str(ips.netmask())
    print 'Network: '+str(ip.cidr)
    print 'Broadcast: '+str(ips.broadcast())
    print 'HostMin: '+str(ips.host_first())
    print 'HostMax: '+str(ips.host_last())
    print 'Hosts/Net: '+str(ips.size())+'\n'
    #print 'IP Version '+str(ip.version)

if __name__ == '__main__':
  main()