diff --git a/netutil/reversed_example_test.go b/netutil/reversed_example_test.go
index 35bd149..d651db9 100644
--- a/netutil/reversed_example_test.go
+++ b/netutil/reversed_example_test.go
@@ -80,7 +80,7 @@ func ExampleSubnetFromReversedAddr() {
 	// abcd:1230::/28
 }
 
-func ExampleSubnetFromReversedAddr_domain_only() {
+func ExampleSubnetFromReversedAddr_domainOnly() {
 	a := `in-addr.arpa`
 	_, err := netutil.SubnetFromReversedAddr(a)
 
diff --git a/netutil/reversed_test.go b/netutil/reversed_test.go
index f20d7ce..d2945c6 100644
--- a/netutil/reversed_test.go
+++ b/netutil/reversed_test.go
@@ -299,7 +299,7 @@ func TestSubnetFromReversedAddr(t *testing.T) {
 		in:         `0.0.0.` + ipv4NetRevGood,
 		name:       "good_ipv4_single_addr_leading_zero",
 	}, {
-		want:       newIPNet(testIPv4ZeroTail, 8*2),
+		want:       newIPNet(testIPv4ZeroTail, 16),
 		wantErrAs:  nil,
 		wantErrMsg: "",
 		in:         "0." + ipv4NetRevGood,
@@ -370,7 +370,7 @@ func TestSubnetFromReversedAddr(t *testing.T) {
 		in:         ipv6RevZeroes + "." + ipv6RevGoodSuffix,
 		name:       "good_ipv6_single_addr_leading_zeroes",
 	}, {
-		want:       newIPNet(testIPv6ZeroTail, 4*17),
+		want:       newIPNet(testIPv6ZeroTail, 68),
 		wantErrAs:  nil,
 		wantErrMsg: "",
 		in:         "0." + ipv6RevGoodSuffix,