Калькулятор IP подсетей

199.87.249.0 - 199.87.255.255

199.87.249.0-199.87.249.255
199.87.249.0/24

199.87.250.0-199.87.251.255
199.87.250.0/23

199.87.252.0-199.87.255.255
199.87.252.0/22