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CIDR table

/19 subnet

A /19 prefix equals subnet mask 255.255.224.0 and wildcard 0.0.31.255. It holds 8,192 addresses, 8,190 of them usable by hosts.

/19
Subnet mask
255.255.224.0
Wildcard mask
0.0.31.255
Binary mask
11111111.11111111.11100000.00000000
Total addresses
8,192
Usable hosts
8,190
Example network
10.0.0.0/19
Example range
10.0.0.0 – 10.0.31.255
How many fit
2,048 × /19 in a /8, 8 × /19 in a /16

Open 10.0.0.0/19 in the calculator