diff --git a/ip_whois_information/tests.py b/ip_whois_information/tests.py
index 7ce503c..a5b5180 100644
--- a/ip_whois_information/tests.py
+++ b/ip_whois_information/tests.py
@@ -1,3 +1,75 @@
+from unittest.mock import patch, MagicMock
 from django.test import TestCase
+from ip_whois_information.models import IPInfo
+from ip_whois_information.rdap_client import RDapClient
 
-# Create your tests here.
+
+class IPInfoModelTest(TestCase):
+    def setUp(self):
+        self.ip_info = IPInfo.objects.create(
+            handle="1.1.1.0 - 1.1.1.255",
+            whois_server="whois.apnic.net",
+            organization="APNIC-LABS",
+            network_type="ASSIGNED PORTABLE",
+            status="active",
+            registration_date="2011-08-10",
+            updated_date="2023-04-26",
+            country="AU",
+            ref_url="https://rdap.apnic.net/ip/1.0.0.0/24",
+            remarks=[
+                [
+                    "APNIC and Cloudflare DNS Resolver project",
+                    "Routed globally by AS13335/Cloudflare",
+                    "Research prefix for APNIC Labs",
+                ],
+                [
+                    "---------------",
+                    "All Cloudflare abuse reporting can be done via",
+                    "resolver-abuse@cloudflare.com",
+                    "---------------",
+                ],
+            ],
+            start_ip="1.0.0.0",
+            end_ip="1.0.0.255",
+        )
+
+    def test_ipinfo_str(self):
+        self.assertEqual(str(self.ip_info), "APNIC-LABS (1.1.1.0 - 1.1.1.255)")
+
+    def test_ipinfo_as_dict(self):
+        data = self.ip_info.as_dict()
+        self.assertEqual(data["handle"], "1.1.1.0 - 1.1.1.255")
+        self.assertEqual(data["whois_server"], "whois.apnic.net")
+        self.assertEqual(data["organization"], "APNIC-LABS")
+        self.assertEqual(data["network_type"], "ASSIGNED PORTABLE")
+        self.assertEqual(data["status"], "active")
+        self.assertEqual(data["registration_date"], "2011-08-10")
+        self.assertEqual(data["updated_date"], "2023-04-26")
+        self.assertEqual(data["country"], "AU")
+
+
+class RDapClientTest(TestCase):
+    @patch("ip_whois_information.rdap_client.get")
+    def test_fetch_rdap(self, mock_get):
+        mock_response = MagicMock()
+        mock_response.json.return_value = {
+            "handle": "1.1.1.0 - 1.1.1.255",
+            "whois_server": "whois.apnic.net",
+            "organization": "APNIC-LABS",
+            "network_type": "ASSIGNED PORTABLE",
+            "status": "active",
+            "registration_date": "2011-08-10",
+            "updated_date": "2023-04-26",
+            "country": "AU",
+        }
+        mock_get.return_value = mock_response
+
+        rdap_data = RDapClient.fetch_rdap("1.1.1.1")
+        self.assertEqual(rdap_data.handle, "1.1.1.0 - 1.1.1.255")
+        self.assertEqual(rdap_data.whois_server, "whois.apnic.net")
+        self.assertEqual(rdap_data.organization, "APNIC-LABS")
+        self.assertEqual(rdap_data.network_type, "ASSIGNED PORTABLE")
+        self.assertEqual(rdap_data.status, "active")
+        self.assertEqual(rdap_data.registration_date, "2011-08-10")
+        self.assertEqual(rdap_data.updated_date, "2023-04-26")
+        self.assertEqual(rdap_data.country, "AU")