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IPv4:

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IP Calc
IP Extract

IP Calc

Perform subnetting, supernetting and IP aggregation calculations to efficiently plan your address space.

Enter the IP followed by /prefix (CIDR). Ex.: 10.0.0.0/16, 2804:14d:1234::/48
Choose the prefix for subnets (larger) or supernets (smaller).

Block Information
Type
Prefix
Network
Broadcast
First
Last
Mask
Total
Usable
IP (decimal)
IP (binary)
IP (decimal)
IP (binary)
Supernets (parents)
Subnets

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