If you’re familiar with Layer 1 blockchains, you’ve probably heard the term subnet or subnetwork — but what is a subnet in crypto exactly? Subnets are crucial for blockchain technology.

The second part of a TCP/IP address that defines the subnetwork in which the device resides. The subnet ID number is shared with the host ID. See subnet mask and subnet mask tables. THIS ...

Subnet masks for a Class C network (small network ... and 11111 means "all" nodes (see broadcast address). This is why calculations for maximum hosts and subnets are always minus 2.