台灣擁有的IPV4 IP 配發狀況

全球的IPV4都已經分配完畢，因此異動的機會已經很小，有些情境會需要使用到台灣的所有IP來做一些防禦設定，下列為小邊整理過符合CIDR格式的，方便匯入軟、硬體防火牆使用，提供給大家參考一下。

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61.63.128.0/255.255.224.0(19)
61.63.160.0/255.255.224.0(19)
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61.63.32.0/255.255.192.0(18)
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61.64.0.0/255.255.224.0(19)
61.64.128.0/255.255.128.0(17)
61.64.48.0/255.255.240(20)
61.64.64.0/255.255.192.0(18)
61.65.0.0/255.255.128.0(17)
61.65.128.0/255.255.192.0(18)
61.65.192.0/255.255.224.0(19)
61.65.224.0/255.255.224.0(19)
61.66.0.0/255.255.0.0(16)
61.67.0.0/255.255.240(20)
61.67.112.0/255.255.240(20)
61.67.128.0/255.255.128.0(17)
61.67.16.0/255.255.224.0(19)
61.67.48.0/255.255.240(20)
61.67.64.0/255.255.224.0(19)

資料來源：
https://rms.twnic.net.tw/help_ipv4_assign.php