Can I use all the IP addresses that I assign to a subnet?
是否可使用我指派給某個子網路的所有 IP 地址？
No. Amazon reserves the first four (4) IP addresses and the last one (1) IP address of every subnet for IP networking purposes.
否。Amazon 會保留每個子網路的前四 (4) 個 IP 地址和最後一 (1) 個 IP 地址，以做為 IP 聯網之用。