PrismKit網路IP 是否在 CIDR 內檢查器IP 是否在 CIDR 內檢查器在瀏覽器中執行本機複製連結Markdown檢查清單中每個 IP 位址屬於哪些 CIDR 區塊，並找出重疊的區塊。CIDR 轉 IP 範圍Turn an IPv4 or IPv6 CIDR block into its address range, or a range back into the fewest CIDR blocks.子網路切分器Split an IPv4 or IPv6 network into a number of equal subnets or into subnets of a chosen prefix length.