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CIDR table

/13 subnet

A /13 prefix equals subnet mask 255.248.0.0 and wildcard 0.7.255.255. It holds 524,288 addresses, 524,286 of them usable by hosts.

/13
Subnet mask
255.248.0.0
Wildcard mask
0.7.255.255
Binary mask
11111111.11111000.00000000.00000000
Total addresses
524,288
Usable hosts
524,286
Example network
10.0.0.0/13
Example range
10.0.0.0 – 10.7.255.255
How many fit
32 × /13 in a /8

Open 10.0.0.0/13 in the calculator