Network admin toolkit

2024.4.25

Collection of free IP Whois API, IP network calculator with subnets calculations, importing CSV files containing lists of networks (for example, IP2Location or MaxMind databases) and generating files in all possible formats based on them (firewall rules, SQL commands, CSV with any params, XML or JSON data and much more), network database analysis tools, MikroTik firewall addresses list comparison.

Enter an ip-address or domain name to get host information from one of the free whois-api providers and response from a standard program whois. Application rest-api guid located at http://api.syo.su

Enter the ip-address and specify the mask to get the formed network range and subnets included in it, or enter a range of addresses separated by a dash to get subnets between these addresses and them common subnet. For example, enter 192.168.77.1 and set mask from selection, or enter address along with the mask 192.168.77.1/21, or specify addresses range 0.0.0.1-255.255.255.254

Inverted mask: