neiyou_user_web/app/Components/IPIP.php

<?php

namespace App\Components;

use ipip\db\City;

class IPIP
{

    /**
     * 查询IP地址的详细信息
     *
     * @param  string  $ip  IPv4
     *
     * @return array|null
     */
    public static function ip($ip): ?array
    {
        $filePath = database_path('ipip.ipdb');

        return (new City($filePath))->findMap($ip, 'CN');
    }

}