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teemIP : Opensource IPAM & DDI solution with CMDB integration.
...The company is being officially incorporated in July 2026.
The project remains opensource under AGPL v3.
Professional support, integration services and subscriptions: https://www.teemip.com
The network calculator with many tools for IPv4,IPv6
NetCalcTools 1.5 uses Qt 5 libraries
NetCalcTools 1.4 uses Qt 4 libraries
IPv4 tools:
SUBNET CALC - Calculate subnet,broadcast,host range and so on.
ADDRESS CONVERTER - Input IP'll be converted to bin,hex,oct.
MULTICAST ETHERNET - Calculation Multicast MAC addresses from Multicast IP addresses ...
SUMMARIZATION - Summarization of IP addresses , You'll fill up IP list and program will summarize it. ...
The Internet Protocol Address Calculator is an open-source java-based tool. This calculator will assist network administrators to perform calculations over both IPv4 and IPv6 address space. A handy whois search client is also integrated into this tool.
IPv6SubnetCalc is a comprehensive calculator for IPv6 addresses. It comes with Java Swing GUI and supports the following RFCs: RFC4291, RFC4193, RFC3849, RFC2464, RFC5375, RFC4941, RFC3513, RFC3879, RFC4941, RFC3056, RFC3587, RFC2374, RFC3306, RFC3956.
This is a PHP driven web application which accepts user input of an IP address and a subnet mask, and then returns the network address, broadcast address and range of usable IP addresses based on the input.
The Internet Protocol Address Calculator is an open-source java-based tool. This calculator will assist network administrators to perform calculations over both IPv4 and IPv6 address space. A handy whois search client is also integrated into this tool.
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