// choose a split size above
Usable hosts exclude the network and broadcast addresses. A /23 gives 510 usable hosts; a /30 gives exactly 2 — the classic point-to-point size.
toolbox/Networking/ip / cidr calculator
Subnet math: masks, ranges, broadcast, usable hosts and child splits.
// choose a split size above
Usable hosts exclude the network and broadcast addresses. A /23 gives 510 usable hosts; a /30 gives exactly 2 — the classic point-to-point size.