diff --git a/core-java-modules/core-java-networking-4/src/main/java/com/baeldung/urlvalidation/IPv4Validation.java b/core-java-modules/core-java-networking-4/src/main/java/com/baeldung/urlvalidation/IPv4Validation.java
new file mode 100644
index 0000000000..5d72873745
--- /dev/null
+++ b/core-java-modules/core-java-networking-4/src/main/java/com/baeldung/urlvalidation/IPv4Validation.java
@@ -0,0 +1,27 @@
+package com.baeldung.urlvalidation;
+
+import com.google.common.net.InetAddresses;
+import org.apache.commons.validator.routines.InetAddressValidator;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class IPv4Validation {
+
+    public static boolean validateWithApacheCommons(String ip) {
+        InetAddressValidator validator = InetAddressValidator.getInstance();
+        return validator.isValid(ip);
+    }
+
+    public static boolean validateWithGuava(String ip) {
+        return InetAddresses.isInetAddress(ip);
+    }
+
+    public static boolean validateWithRegex(String ip) {
+        String regex = "^((25[0-5]|(2[0-4]|1\\d|[1-9]|)\\d)\\.?\\b){4}$";
+        Pattern pattern = Pattern.compile(regex);
+        Matcher matcher = pattern.matcher(ip);
+        return matcher.matches();
+    }
+
+}
diff --git a/core-java-modules/core-java-networking-4/src/test/java/com/baeldung/ipv4validation/IPv4ValidationUnitTest.java b/core-java-modules/core-java-networking-4/src/test/java/com/baeldung/ipv4validation/IPv4ValidationUnitTest.java
new file mode 100644
index 0000000000..367d70117a
--- /dev/null
+++ b/core-java-modules/core-java-networking-4/src/test/java/com/baeldung/ipv4validation/IPv4ValidationUnitTest.java
@@ -0,0 +1,121 @@
+package com.baeldung.ipv4validation;
+
+import org.junit.Test;
+
+import static com.baeldung.urlvalidation.IPv4Validation.*;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+public class IPv4ValidationUnitTest {
+
+    @Test
+    public void givenValidIPv4_whenValidate_thenReturnsTrue() {
+        String ip = "192.168.0.1";
+        assertTrue(validateWithApacheCommons(ip));
+        assertTrue(validateWithGuava(ip));
+        assertTrue(validateWithRegex(ip));
+    }
+
+    @Test
+    public void givenIPv4WithThreeOctets_whenValidate_thenReturnsFalse() {
+        String ip = "192.168.0";
+        assertFalse(validateWithApacheCommons(ip));
+        assertFalse(validateWithGuava(ip));
+        assertFalse(validateWithRegex(ip));
+    }
+
+    @Test
+    public void givenIPv4WithLeadingZero_whenValidate_thenReturnsFalse() {
+        String ip = "192.168.0.01";
+        assertFalse(validateWithApacheCommons(ip));
+        assertFalse(validateWithGuava(ip));
+        assertFalse(validateWithRegex(ip));
+    }
+
+    @Test
+    public void givenIPv4WithInvalidCharacter_whenValidate_thenReturnsFalse() {
+        String ip = "a.168.0.01";
+        assertFalse(validateWithApacheCommons(ip));
+        assertFalse(validateWithGuava(ip));
+        assertFalse(validateWithRegex(ip));
+    }
+
+    @Test
+    public void givenIPv4HaveValueAbove255_whenValidate_thenReturnsFalse() {
+        String ip = "192.168.256.1";
+        assertFalse(validateWithApacheCommons(ip));
+        assertFalse(validateWithGuava(ip));
+        assertFalse(validateWithRegex(ip));
+    }
+
+    @Test
+    public void givenValidIPv4WithTwoDigitOctet_whenValidate_thenReturnsTrue() {
+        String ip = "192.168.42.1";
+        assertTrue(validateWithApacheCommons(ip));
+        assertTrue(validateWithGuava(ip));
+        assertTrue(validateWithRegex(ip));
+    }
+    @Test
+    public void givenValidIPv4WithNumberInRange200And249_whenValidate_thenReturnsTrue() {
+        String ip = "192.168.42.222";
+        assertTrue(validateWithApacheCommons(ip));
+        assertTrue(validateWithGuava(ip));
+        assertTrue(validateWithRegex(ip));
+    }
+
+    @Test
+    public void givenIPv4WithFourDigitOctet_whenValidate_thenReturnsFalse() {
+        String ip = "1921.168.42.222";
+        assertFalse(validateWithApacheCommons(ip));
+        assertFalse(validateWithGuava(ip));
+        assertFalse(validateWithRegex(ip));
+    }
+
+    @Test
+    public void givenIPv4WithFiveOctets_whenValidate_thenReturnsFalse() {
+        String ip = "192.168.42.222.10";
+        assertFalse(validateWithApacheCommons(ip));
+        assertFalse(validateWithGuava(ip));
+        assertFalse(validateWithRegex(ip));
+    }
+
+    @Test
+    public void givenIPv4WithTwoConsecutiveDots_whenValidate_thenReturnsFalse() {
+        String ip = "192.168..1";
+        assertFalse(validateWithApacheCommons(ip));
+        assertFalse(validateWithGuava(ip));
+        assertFalse(validateWithRegex(ip));
+    }
+
+    @Test
+    public void givenOnlyDots_whenValidate_thenReturnsFalse() {
+        String ip = "...";
+        assertFalse(validateWithApacheCommons(ip));
+        assertFalse(validateWithGuava(ip));
+        assertFalse(validateWithRegex(ip));
+    }
+
+    @Test
+    public void givenBlankString_whenValidate_thenReturnsFalse() {
+        String ip = "  ";
+        assertFalse(validateWithApacheCommons(ip));
+        assertFalse(validateWithGuava(ip));
+        assertFalse(validateWithRegex(ip));
+    }
+
+    @Test
+    public void givenIPv4StartWithDot_whenValidate_thenReturnsFalse() {
+        String ip = ".192.168.0.1";
+        assertFalse(validateWithApacheCommons(ip));
+        assertFalse(validateWithGuava(ip));
+        assertFalse(validateWithRegex(ip));
+    }
+    @Test
+    public void givenIPv4EndWithDot_whenValidate_thenReturnsFalse() {
+        String ip = "192.168.0.1.";
+        assertFalse(validateWithApacheCommons(ip));
+        assertFalse(validateWithGuava(ip));
+        assertFalse(validateWithRegex(ip));
+    }
+
+}