v0.2.5

ADDED:
* num-addrs subcommand, to get the number of hosts/addresses in a given
  prefix length
* get-net subcommand, to more easily get a single subnet from either the
  beginning or the end of a prefix. (MUCH FASTER than CIDR-splitting!)

netsplit/funcs_hostsplitter.go

@@ -28,6 +28,10 @@ func (h *HostSplitter) Split() (nets []*netip.Prefix, remaining *netipx.IPSet, e
 		return
 	}
 
+	if err = validate.Struct(h); err != nil {
+		return
+	}
+
 	pfx, _ = netipx.FromStdIPNet(h.network)
 	tgt = new(big.Int)
 	tgt.SetUint64(uint64(h.NumberHosts))