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_subnetsplitter.go

@@ -27,6 +27,10 @@ func (s *SubnetSplitter) Split() (nets []*netip.Prefix, remaining *netipx.IPSet,
 		return
 	}
 
+	if err = validate.Struct(s); err != nil {
+		return
+	}
+
 	if base, ok = netipx.FromStdIPNet(s.network); !ok {
 		err = ErrBadBoundary
 		return