Which one of the following prefixes matches 5.153.96.14?
Which one of the following prefixes matches both 195.43.231.68 and 195.45.47.63?
Which one of the following address prefixes contains 100.202.152.32/28?
Enter an address prefix that matches 211.150.217.85:
Enter an address that matches 214.222.126.48/29: