diff --git a/netsplit/funcs.go b/netsplit/funcs.go
index 10613be..e1b9707 100644
--- a/netsplit/funcs.go
+++ b/netsplit/funcs.go
@@ -177,6 +177,7 @@ func CheckReserved(nets []*netip.Prefix, revRecursive, recursive, excludePrivate
 	if _, _, reserved, err = RetrieveReserved(); err != nil {
 		return
 	}
+
 	for _, n := range nets {
 		if n == nil {
 			continue
@@ -219,8 +220,6 @@ func CheckReserved(nets []*netip.Prefix, revRecursive, recursive, excludePrivate
 // Contain takes the results of a NetSplitter and returns a StructuredResults. The reservations are only checked against nets.
 func Contain(origPfx *netip.Prefix, nets []*netip.Prefix, remaining *netipx.IPSet, splitter NetSplitter) (s *StructuredResults, err error) {
 
-	var idx int
-	var r *IANAAddrNetResRecord
 	var rem []netip.Prefix
 	var reserved map[netip.Prefix]*IANAAddrNetResRecord
 	var sr = StructuredResults{
@@ -281,8 +280,10 @@ func Contain(origPfx *netip.Prefix, nets []*netip.Prefix, remaining *netipx.IPSe
 		}
 		if reserved != nil && len(reserved) > 0 {
 			s.Reservations = make([]*IANAAddrNetResRecord, len(reserved))
-			for idx, r = range reserved {
+			idx := 0
+			for _, r := range reserved {
 				s.Reservations[idx] = r
+				idx++
 			}
 		}
 	}
diff --git a/netsplit/funcs_cache.go b/netsplit/funcs_cache.go
index 896b21c..e75d912 100644
--- a/netsplit/funcs_cache.go
+++ b/netsplit/funcs_cache.go
@@ -121,7 +121,7 @@ func RetrieveReserved() (ipv4, ipv6 IANARegistry, reserved map[netip.Prefix]*IAN
 		return
 	}
 	ianaReserved4 = new(IANARegistry)
-	ianaReserved4 = new(IANARegistry)
+	ianaReserved6 = new(IANARegistry)
 	if err = json.Unmarshal(dat4, ianaReserved4); err != nil {
 		return
 	}