255.255.255.0
==================================
IP 分配範圍:172.17.18.2-172.17.18.254
網絡號:172.17.18
廣播地址:172.17.18.255
網關地址:172.17.18.1
==================================
劃分為3個子網:
172.17.18.**000000
255.255.255.11000000
------------------------------------------------------------------------
第壹個子網:
網關:172.18.18.64
IP範圍:172.18.18.65-126
廣播地址:172.18.18.127
掩碼:255.255.255.192
------------------------------------------------------------------------
第二個子網:
網關:172.17.18.128
IP範圍:172.17.18.129-190
廣播地址:172.17.18.191
掩碼:255.255.255.192
------------------------------------------------------------------------
第三個子網
網關:172.17.18.192
IP範圍:172.17.18.192-254
廣播地址:172.17.18.255
掩碼:255.255.255.192
====================================================
希望樓主學習方法~