add migration for lengthening ip field

database/migrations/2020_03_10_145738_lengthen_ip_field.php

@@ -0,0 +1,22 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class LengthenIpField extends Migration
+{
+    public function up()
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->string('ip', 45)->change();
+        });
+    }
+
+    public function down()
+    {
+        Schema::table('users', function (Blueprint $table) {
+            $table->string('ip', 39)->change();
+        });
+    }
+}