diff --git a/src/index.js b/src/index.js
index 91a1153..88a483a 100644
--- a/src/index.js
+++ b/src/index.js
@@ -453,7 +453,7 @@ if (ips.length == 0) {
 }
 
 // Server IP address
-var host = ips[(ips.length) - 1];
+var host = ips[ips.length - 1];
 if (!host) host = "[offline]";
 
 // TODO: Public IP address-related
diff --git a/src/utils/ipSubnetUtils.js b/src/utils/ipSubnetUtils.js
index 8c11eeb..e2aeeeb 100644
--- a/src/utils/ipSubnetUtils.js
+++ b/src/utils/ipSubnetUtils.js
@@ -1,7 +1,9 @@
 function calculateBroadcastIPv4FromCidr(ipWithCidr) {
   // Check if CIDR notation is valid, if it's not, return null
   if (!ipWithCidr) return null;
-  const ipCA = ipWithCidr.match(/^((?:(?:25[0-5]|(?:2[0-4]|1\d|[1-9]|)\d)\.?\b){4})\/([0-2][0-9]|3[0-2]|[0-9])$/);
+  const ipCA = ipWithCidr.match(
+    /^((?:(?:25[0-5]|(?:2[0-4]|1\d|[1-9]|)\d)\.?\b){4})\/([0-2][0-9]|3[0-2]|[0-9])$/,
+  );
   if (!ipCA) return null;
 
   // Extract IP and mask (numeric format)
@@ -24,7 +26,9 @@ function calculateBroadcastIPv4FromCidr(ipWithCidr) {
 function calculateNetworkIPv4FromCidr(ipWithCidr) {
   // Check if CIDR notation is valid, if it's not, return null
   if (!ipWithCidr) return null;
-  const ipCA = ipWithCidr.match(/^((?:(?:25[0-5]|(?:2[0-4]|1\d|[1-9]|)\d)\.?\b){4})\/([0-2][0-9]|3[0-2]|[0-9])$/);
+  const ipCA = ipWithCidr.match(
+    /^((?:(?:25[0-5]|(?:2[0-4]|1\d|[1-9]|)\d)\.?\b){4})\/([0-2][0-9]|3[0-2]|[0-9])$/,
+  );
   if (!ipCA) return null;
 
   // Extract IP and mask (numeric format)
diff --git a/tests/utils/ipSubnetUtils.test.js b/tests/utils/ipSubnetUtils.test.js
index a92cc29..340c8c9 100644
--- a/tests/utils/ipSubnetUtils.test.js
+++ b/tests/utils/ipSubnetUtils.test.js
@@ -1,49 +1,84 @@
 const {
-    calculateBroadcastIPv4FromCidr,
-    calculateNetworkIPv4FromCidr,
-  } = require('../../src/utils/ipSubnetUtils');
-  
-  describe('IPv4 subnet utilties', () => {
-    describe('calculateBroadcastIPv4FromCidr', () => {
-      test('should return the broadcast address for a given CIDR', () => {
-        expect(calculateBroadcastIPv4FromCidr('192.168.1.0/24')).toBe('192.168.1.255');
-        expect(calculateBroadcastIPv4FromCidr('192.168.1.0/25')).toBe('192.168.1.127');
-        expect(calculateBroadcastIPv4FromCidr('192.168.1.0/26')).toBe('192.168.1.63');
-        expect(calculateBroadcastIPv4FromCidr('192.168.1.0/27')).toBe('192.168.1.31');
-        expect(calculateBroadcastIPv4FromCidr('192.168.1.0/28')).toBe('192.168.1.15');
-        expect(calculateBroadcastIPv4FromCidr('192.168.1.0/29')).toBe('192.168.1.7');
-        expect(calculateBroadcastIPv4FromCidr('192.168.1.0/30')).toBe('192.168.1.3');
-        expect(calculateBroadcastIPv4FromCidr('192.168.1.0/31')).toBe('192.168.1.1');
-        expect(calculateBroadcastIPv4FromCidr('192.168.1.0/32')).toBe('192.168.1.0');
-      });
-  
-      test('should return null for invalid CIDR notation', () => {
-        expect(calculateBroadcastIPv4FromCidr(null)).toBe(null);
-        expect(calculateBroadcastIPv4FromCidr('192.168.1.0')).toBe(null);
-        expect(calculateBroadcastIPv4FromCidr('192.168.1.0/')).toBe(null);
-        expect(calculateBroadcastIPv4FromCidr('192.168.1.0/abc')).toBe(null);
-      });
+  calculateBroadcastIPv4FromCidr,
+  calculateNetworkIPv4FromCidr,
+} = require("../../src/utils/ipSubnetUtils");
+
+describe("IPv4 subnet utilties", () => {
+  describe("calculateBroadcastIPv4FromCidr", () => {
+    test("should return the broadcast address for a given CIDR", () => {
+      expect(calculateBroadcastIPv4FromCidr("192.168.1.0/24")).toBe(
+        "192.168.1.255",
+      );
+      expect(calculateBroadcastIPv4FromCidr("192.168.1.0/25")).toBe(
+        "192.168.1.127",
+      );
+      expect(calculateBroadcastIPv4FromCidr("192.168.1.0/26")).toBe(
+        "192.168.1.63",
+      );
+      expect(calculateBroadcastIPv4FromCidr("192.168.1.0/27")).toBe(
+        "192.168.1.31",
+      );
+      expect(calculateBroadcastIPv4FromCidr("192.168.1.0/28")).toBe(
+        "192.168.1.15",
+      );
+      expect(calculateBroadcastIPv4FromCidr("192.168.1.0/29")).toBe(
+        "192.168.1.7",
+      );
+      expect(calculateBroadcastIPv4FromCidr("192.168.1.0/30")).toBe(
+        "192.168.1.3",
+      );
+      expect(calculateBroadcastIPv4FromCidr("192.168.1.0/31")).toBe(
+        "192.168.1.1",
+      );
+      expect(calculateBroadcastIPv4FromCidr("192.168.1.0/32")).toBe(
+        "192.168.1.0",
+      );
     });
-  
-    describe('calculateNetworkIPv4FromCidr', () => {
-      test('should return the network address for a given CIDR', () => {
-        expect(calculateNetworkIPv4FromCidr('192.168.1.0/24')).toBe('192.168.1.0');
-        expect(calculateNetworkIPv4FromCidr('192.168.1.0/25')).toBe('192.168.1.0');
-        expect(calculateNetworkIPv4FromCidr('192.168.1.0/26')).toBe('192.168.1.0');
-        expect(calculateNetworkIPv4FromCidr('192.168.1.0/27')).toBe('192.168.1.0');
-        expect(calculateNetworkIPv4FromCidr('192.168.1.0/28')).toBe('192.168.1.0');
-        expect(calculateNetworkIPv4FromCidr('192.168.1.0/29')).toBe('192.168.1.0');
-        expect(calculateNetworkIPv4FromCidr('192.168.1.0/30')).toBe('192.168.1.0');
-        expect(calculateNetworkIPv4FromCidr('192.168.1.0/31')).toBe('192.168.1.0');
-        expect(calculateNetworkIPv4FromCidr('192.168.1.0/32')).toBe('192.168.1.0');
-      });
-  
-      test('should return null for invalid CIDR notation', () => {
-        expect(calculateNetworkIPv4FromCidr(null)).toBe(null);
-        expect(calculateNetworkIPv4FromCidr('192.168.1.0')).toBe(null);
-        expect(calculateNetworkIPv4FromCidr('192.168.1.0/')).toBe(null);
-        expect(calculateNetworkIPv4FromCidr('192.168.1.0/abc')).toBe(null);
-      });
+
+    test("should return null for invalid CIDR notation", () => {
+      expect(calculateBroadcastIPv4FromCidr(null)).toBe(null);
+      expect(calculateBroadcastIPv4FromCidr("192.168.1.0")).toBe(null);
+      expect(calculateBroadcastIPv4FromCidr("192.168.1.0/")).toBe(null);
+      expect(calculateBroadcastIPv4FromCidr("192.168.1.0/abc")).toBe(null);
     });
   });
-  
\ No newline at end of file
+
+  describe("calculateNetworkIPv4FromCidr", () => {
+    test("should return the network address for a given CIDR", () => {
+      expect(calculateNetworkIPv4FromCidr("192.168.1.0/24")).toBe(
+        "192.168.1.0",
+      );
+      expect(calculateNetworkIPv4FromCidr("192.168.1.0/25")).toBe(
+        "192.168.1.0",
+      );
+      expect(calculateNetworkIPv4FromCidr("192.168.1.0/26")).toBe(
+        "192.168.1.0",
+      );
+      expect(calculateNetworkIPv4FromCidr("192.168.1.0/27")).toBe(
+        "192.168.1.0",
+      );
+      expect(calculateNetworkIPv4FromCidr("192.168.1.0/28")).toBe(
+        "192.168.1.0",
+      );
+      expect(calculateNetworkIPv4FromCidr("192.168.1.0/29")).toBe(
+        "192.168.1.0",
+      );
+      expect(calculateNetworkIPv4FromCidr("192.168.1.0/30")).toBe(
+        "192.168.1.0",
+      );
+      expect(calculateNetworkIPv4FromCidr("192.168.1.0/31")).toBe(
+        "192.168.1.0",
+      );
+      expect(calculateNetworkIPv4FromCidr("192.168.1.0/32")).toBe(
+        "192.168.1.0",
+      );
+    });
+
+    test("should return null for invalid CIDR notation", () => {
+      expect(calculateNetworkIPv4FromCidr(null)).toBe(null);
+      expect(calculateNetworkIPv4FromCidr("192.168.1.0")).toBe(null);
+      expect(calculateNetworkIPv4FromCidr("192.168.1.0/")).toBe(null);
+      expect(calculateNetworkIPv4FromCidr("192.168.1.0/abc")).toBe(null);
+    });
+  });
+});