Калькулятор IP подсетей

57.180.0.0-57.180.138.63

57.180.138.0-57.180.138.63
57.180.138.0/26

57.180.0.0-57.180.127.255
57.180.0.0/17

57.180.128.0-57.180.135.255
57.180.128.0/21

57.180.136.0-57.180.137.255
57.180.136.0/23