Collection of online networking and security tools. These tools and calculators were mainly inspired by recurring technical problems during my research and many penetration testing engagements.
Use this calculator if you have a list of IP addresses that you want to sort, remove duplicates, represent as a range, and ensure that another set of IP's is excluded.
Lookup the holder and contact information of a given IP-address.
Lookup the manufacturer or vendor of one or multiple MAC addresses. Provide the input manually or copy & paste the output of programs such as arp -a.
Generate an arbitrary number of randomly choosen passwords of a given strength and format. Visualize the distribution of the characters. Your tool choice if you need to generate inital passwords for multiple users.