Learn to Subnet with no binary conversions.

84.145.144.0/21
1 network with 510 usable addresses:
1 network with 30 usable addresses:
1 network with 2 usable addresses:
1 network with 126 usable addresses:
1 network with 62 usable addresses:
1 network with 14 usable addresses:
1 network with 14 usable addresses:
1 network with 6 usable addresses:
1 network with 6 usable addresses:
1 network with 6 usable addresses:
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