Category: IP Address
We know the IPv4 Address is 32-bit which consists of four integers from 0 to 255 inclusive. We can use a 32-bit integer to represent a valid IP address. …
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a string s, return whether it’s an IPv4 address. IPv4 addresses must follow the format A.B.C.D, where A, B, …
The hostname shows or sets the system’s hostname. The option ‘-I’ or ‘–all-ip-addresses’ list the IP addresses on one single line. -i, --ip-address Display the network address(es) of the …
Have you ever needed a quick tool to lookup multiple hosts (Java based on the InetAddress class. The following Java code has been uploaded to github: https://github.com/DoctorLai/DNSLookup import java.net.InetAddress; …
My servers have been recently hit by a few spam bots whether they are malicious or not. The spamer causes high CPU spikes and I have to ban those …