diff --git a/src/main.rs b/src/main.rs
index 61b0195..53a248c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -10,5 +10,7 @@ mod permutations;
 
 fn main() {
     //    scanner::start_scan(100);
-    permutations::ipv4(None);
+    // permutations::ipv4(None);
+
+    let ip = permutations::IPv4::new(0);
 }
diff --git a/src/permutations.rs b/src/permutations.rs
index db7cc35..163501a 100644
--- a/src/permutations.rs
+++ b/src/permutations.rs
@@ -1,5 +1,6 @@
 use anyhow::{Result, anyhow};
 use convert_base::Convert;
+use crate::util;
 
 /*
 Algorithm: O(n)
@@ -10,15 +11,18 @@ let i = 0 .. u32:max_value()
 # This is waaaay better than a stupid loop
 */
 
-struct IPv4 {
-    id: u32,
-    ip: Vec<u8>
+pub struct IPv4 {
+    pub id: u32,
+    pub ip: Vec<u8>
 }
 
 impl IPv4 {
-    fn new(self: &mut Self, id: u32) -> Self {
+    pub fn new(id: u32) -> Self {
         let mut base = Convert::new(10, 256);
-        let ip = base.convert::<u32, u8>(&id);
+
+        let id_vec = util::number_to_vec(id); // push all digits into a vec
+        println!("########## {:?}", id_vec);
+        let ip = base.convert::<u8, u8>(&id_vec);
 
         Self { id, ip }
     }
diff --git a/src/util.rs b/src/util.rs
index 3e6c9a6..e891c9d 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -24,7 +24,7 @@ fn numlen(num: u32) -> u8 {
     len
 }
 
-fn get_digits(num: u32) -> Vec<u8> {
+pub fn number_to_vec(num: u32) -> Vec<u8> {
     let out: Vec<u8> = Vec::new();
 
     let len = numlen(num);