SELECT 
  `id` 
FROM 
  cscart_totalshipping_info_ip 
WHERE 
  ip = '18.216.232.138'

Query time 0.00043

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE cscart_totalshipping_info_ip ALL 1600 Using where

Result

id
1419