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network
IPv4 range expander
Expand an IPv4 start and end address into the covering CIDR range.
- Start address
- 192.168.1.1 -> 192.168.0.0
- End address
- 192.168.6.255 -> 192.168.7.255
- Addresses in range
- 1,535 -> 2,048
- CIDR
- 192.168.0.0/21
The covering CIDR includes extra addresses outside the original range.