Which of the following IP addresses is not a private IP address?

Correct option is A

172.10.0.1 is not a private IP address. It falls outside the private IP range designated for the 172.x.x.x series, which is 172.16.0.0 - 172.31.255.255.
Important Key Points:
1. The private IP range for addresses starting with 172 is specifically 172.16.0.0 - 172.31.255.255.
2. 172.10.0.1 does not fall within this range and is therefore a public IP address, which can be used for communication over the internet.
Knowledge Booster:
· Private IP Addresses:
· 172.16.5.20, 172.20.250.10, and 172.31.255.255 all fall within the private IP range for the 172.x.x.x series.
· These addresses are used in local networks and are not routable over the public internet without NAT.
· Public IP Addresses:
· 172.10.0.1 is a public IP address, as it falls outside of the private range. Public IP addresses are assigned to be globally unique for internet routing.
· Other Private IP Ranges:
· 10.0.0.0 - 10.255.255.255 (Class A)
· 192.168.0.0 - 192.168.255.255 (Class C)