diff --git a/core-java-modules/core-java-networking-4/README.md b/core-java-modules/core-java-networking-4/README.md
index 5f0958fae0..daec647ebe 100644
--- a/core-java-modules/core-java-networking-4/README.md
+++ b/core-java-modules/core-java-networking-4/README.md
@@ -1,3 +1,4 @@
 ## Relevant Articles:
 - [Difference Between URI.create() and new URI()](https://www.baeldung.com/java-uri-create-and-new-uri)
-- [Validating URL in Java](https://www.baeldung.com/java-validate-url)
\ No newline at end of file
+- [Validating URL in Java](https://www.baeldung.com/java-validate-url)
+- [Validating IPv4 Address in Java](https://www.baeldung.com/java-validate-ipv4-address)