[230517]BIT별 서브넷정리-네트워크 서브넷을 구성할 때 필수
bit netmask Cisco mask hosts usable hosts Class / 4 240.0.0.0 15.255.255.255 268435456 268435454 - / 5 248.0.0.0 7.255.255.255 134217728 134217726 - / 6 252.0.0.0 3.255.255.255 67108864 67108862 - / 7 254.0.0.0 1.255.255.255 33554432 33554430 - / 8 255.0.0.0 0.255.255.255 16777216 16777214 A Class / 9 255.128.0.0 0.127.255.255 8388608 8388606 - / 10 255.192.0.0 0.63.255.255 4194304 4194302 - / 1..
OS 이야기 2023. 5. 17. 11:45