diff --git a/paramecio/cromosoma/corefields.py b/paramecio/cromosoma/corefields.py
index f808836..1976b44 100644
--- a/paramecio/cromosoma/corefields.py
+++ b/paramecio/cromosoma/corefields.py
@@ -21,6 +21,7 @@ class IntegerField(PhangoField):
                 self.error=True
         except:
             
+            value=""
             self.error=True
 
         return value
diff --git a/paramecio/cromosoma/extrafields/emailfield.py b/paramecio/cromosoma/extrafields/emailfield.py
index f5c310a..f384593 100644
--- a/paramecio/cromosoma/extrafields/emailfield.py
+++ b/paramecio/cromosoma/extrafields/emailfield.py
@@ -13,6 +13,7 @@ class EmailField(CharField):
         if not mail_pattern.match(value):
             
             self.error=True
+            value=""
             self.txt_error='No valid format'
             
         return value
\ No newline at end of file
diff --git a/paramecio/cromosoma/extrafields/ipfield.py b/paramecio/cromosoma/extrafields/ipfield.py
new file mode 100644
index 0000000..486fe5c
--- /dev/null
+++ b/paramecio/cromosoma/extrafields/ipfield.py
@@ -0,0 +1,18 @@
+from paramecio.cromosoma.corefields import CharField
+import ipaddress
+
+class IpField(CharField):
+    
+    def check(self, value):
+        
+        try:
+        
+            value=str(ipaddress.ip_address(value))
+        
+        except:
+            
+            self.error=True
+            value=""
+
+            
+        return value
\ No newline at end of file