Host

# python host.py
# skip420@skip420:~/Desktop$ python host.py
# Enter the host to be scanned: "www.yahoo.com"
# ('Starting scan on host: ', '202.165.107.49')


from socket import *
import time
startTime = time.time()

if __name__ == '__main__':
   target = input('Enter the host to be scanned: ')
   t_IP = gethostbyname(target)
   print ('Starting scan on host: ', t_IP)

   for i in range(50, 500):
      s = socket(AF_INET, SOCK_STREAM)

      conn = s.connect_ex((t_IP, i))
      if(conn == 0) :
         print ('Port %d: OPEN' % (i,))
      s.close()
print('Time taken:', time.time() - startTime)