import socket
def rango(): #Recoge el rango de ip
	while True:
		a = (raw_input("introduzca primera ip:  "))
		b = (raw_input("introduzca segunda ip:  "))
		c=b
		a, b = a.replace("."," "), b.replace("."," ")
		try:
			int(a.replace(" ",""))
			int(b.replace(" ",""))
 
			a, b = a.split(), b.split()
			return a,b,c
		except:
			print "El rango ip introducido no es valido"
def listaip(): #Genera una lista con todas las ip en el rango
	aux=[]
	ip = []
	a, b, c = rango()
	a1, a2, a3, a4 = int(a[0]), int(a[1]), int(a[2]), int(a[3])
	b1, b2, b3, b4 = int(b[0]), int(b[1]), int(b[2]), int(b[3])
	while True:
		while a1 != 255:
			while a2 != 255:
				while a3 != 255:
					while a4 != 255:
						aux=[]
						aux.append(str(a1))
						aux.append(str(a2))
						aux.append(str(a3))
						aux.append(str(a4))
						aux = (".".join(aux))
						ip.append(aux)
						a4 +=1
						if aux == c:
							return ip
					aux=[]
					aux.append(str(a1))
					aux.append(str(a2))
					aux.append(str(a3))
					aux.append(str(a4))
					aux = (".".join(aux))
					ip.append(aux)
					a4 = 0
					a3 +=1
					if aux == c:
						return ip
				aux=[]
 
				aux.append(str(a1))
				aux.append(str(a2))
				aux.append(str(a3))
				aux.append(str(a4))
				aux = (".".join(aux))
				ip.append(aux)
				a4 = 0
				a3 = 0
				a2 +=1
				if aux == c:
					return ip
			aux=[]
			aux.append(str(a1))
			aux.append(str(a2))
			aux.append(str(a3))
			aux.append(str(a4))
			aux = (".".join(aux))
			ip.append(aux)
			a4 = 0
			a3 = 0
			a2 = 0
			a1 +=1
			if aux == c:
				return ip
def soc(host):
	try:
		s=socket.socket()
		s.settimeout(0.1)
		s.connect((host,80))
		s.send("HEAD / HTTP/1.1\n\n")
		f=s.recv(3000)
		s.close()
		return f
	except:
		return False
def comparar(cabecera,servidor):
	x = cabecera.find(servidor)
	if x != -1:
		return True
	else:
		return False
def gen(ips):
	coincidencias = []
	indice = 0
	for i in ips:
		try:
			y = soc(i)	
			if comparar(y,x):
				print "Servidor encontrado en: ", i
				coincidencias.append(i)
				indice +=1
			else:
				print i
		except:
			print "Ningun servidor web en: ", i
			continue
	return coincidencias
#Main
print "######################################"
print "  Buscador de cadenas en headers http"
print "######################################\n"
x = raw_input("Introduzca el servidor a buscar:"  )
ips = listaip()
print "Empezando escaneo"
coin = gen(ips)
print "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"
print "Un total de %d servidores detectados: " % (len(coin))
for i in coin:
	print "Servidor encontrado en: ", i
 

[Masita@Hartigan Documentos]$ python ip.py
######################################
  Buscador de cadenas en headers http
######################################

Introduzca el servidor a buscar:Apache/2.2.13
introduzca primera ip:  212.92.50.9
introduzca segunda ip:  212.92.50.18
Empezando escaneo
Servidor encontrado en:  212.92.50.9
212.92.50.10
212.92.50.11
Ningun servidor web en:  212.92.50.12
.....
.....
Un total de 1 servidores detectados: 
Servidor encontrado en:  212.92.50.9

import httplib
a = "www.google.es"
part1 = "/images?gbv=2&hl=en&sa=1&q="
part2 = "&btnG=Search&aq=f&oq=&start=0"
b = raw_input("Fotos a buscar: ")
c = part1+b+part2
 
conexion = httplib.HTTPConnection(a)
conexion.request ("GET", c)
d = conexion.getresponse()
directorio = file( "C:\Python", "wb" )
directorio.write(d.read())
directorio.close()