diff --git a/School/Analyse/Layers/3. Network Layer.md b/School/Analyse/Layers/3. Network Layer.md
index 78a29aa..ca2c12f 100644
--- a/School/Analyse/Layers/3. Network Layer.md	
+++ b/School/Analyse/Layers/3. Network Layer.md	
@@ -123,6 +123,13 @@ With 32 bits, the maximum possible IPv4 addressed is 2^32 = 4 billion
 **We need more addresses.**
 
 ##  IPV6
-Solution
+Solution! Make it bigger!
 
+In a IPv6 each address is a 16 byte integer. The address itself is written in hexadecimal.
 
+Every address contains 8 groups of 4 hexadecimal digits, separated by colon (.).
+
+**Example:**
+2001:0db8:85a3:0000:0000:8a2e:0370:7334
+
+Only classless addresses are used!