get
https://sandboxapi.legendtrading.com/v2/app/ip
查询IP信息 (Query IP Information)
查询IP地址的地理信息。若 prohibited 或 ip_limit 任一字段为 true，则该IP所属国家为禁止国家。
Query the geographical information of an IP address. If either the prohibited or ip_limit field is true, the country associated with the IP is restricted.