diff --git a/app/signup/admin.py b/app/signup/admin.py
index 0774788..47fbfec 100644
--- a/app/signup/admin.py
+++ b/app/signup/admin.py
@@ -2,4 +2,12 @@ from django.contrib import admin
 
 from .models import Signup
 
-admin.site.register(Signup)
+@admin.register(Signup)
+class SignupAdmin(admin.ModelAdmin):
+    _all_fields = ["email", "created_at", "anonymized_ip", "user_agent"]
+
+    date_hierarchy = "created_at"
+    list_display = ["email", "created_at", "anonymized_ip", "user_agent"]
+    list_filter = ["email", "user_agent"]
+    ordering = ["created_at"]
+    readonly_fields = _all_fields