Check if ip address is in range in Python

ip_in_range.py

# Prior to using this code, you need to run : pip install netaddr 

from netaddr import *
from netaddr import iter_iprange


def is_in_subnet(input_addr, subnet_addr, subnet_mask):
    current_subnet_str = '{0}/{1}'.format(subnet_addr, subnet_mask)
    curr_subnet = IPNetwork(current_subnet_str)
    for curr_ip in curr_subnet:
        if input_addr == str(curr_ip):
            print "{0} is in {1}".format(input_addr, current_subnet_str)
            return
    print "{0} is NOT in {1}".format(input_addr, current_subnet_str)


def is_in_range(curr_addr, start_range, end_range):
    curr_ips_list = iter_iprange(start_range, end_range, step=1)
    print "Scanning from {0} till {1}".format(first_ip, last_ip)
    for curr_ip in curr_ips_list:
        if str(curr_ip) == curr_addr:
            print "The ip address {0} is in {1}-{2}".format(curr_ip, first_ip, last_ip)
            return True
    print "ip address {0} is NOT in {1}-{2}".format(curr_addr, first_ip, last_ip)
    return False



subnet_address= "10.142.78.0"
subnet_mask= "255.255.255.248"
test_ip1 = "10.142.78.6"
is_in_subnet(test_ip1, subnet_address, subnet_mask)


first_ip = "192.168.1.1"
last_ip =  "192.168.1.13"
test_ip2 =  "192.168.1.8"
is_in_range(test_ip2, first_ip, last_ip)