diff --git a/src/ranap/RANAP_LastKnownServiceArea.c b/src/ranap/RANAP_LastKnownServiceArea.c
new file mode 100644
index 0000000..1360679
--- /dev/null
+++ b/src/ranap/RANAP_LastKnownServiceArea.c
@@ -0,0 +1,113 @@
+/*
+ * Generated by asn1c-0.9.28 (http://lionet.info/asn1c)
+ * From ASN.1 module "RANAP-IEs"
+ * 	found in "../../asn1/ranap/RANAP-IEs.asn"
+ */
+
+#include "RANAP_LastKnownServiceArea.h"
+
+static int
+memb_ageOfSAI_constraint_1(asn_TYPE_descriptor_t *td, const void *sptr,
+			asn_app_constraint_failed_f *ctfailcb, void *app_key) {
+	long value;
+	
+	if(!sptr) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: value not given (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	value = *(const long *)sptr;
+	
+	if((value >= 0l && value <= 32767l)) {
+		/* Constraint check succeeded */
+		return 0;
+	} else {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: constraint failed (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+}
+
+static asn_per_constraints_t asn_PER_memb_ageOfSAI_constr_3 GCC_NOTUSED = {
+	{ APC_CONSTRAINED,	 15,  15,  0l,  32767l }	/* (0..32767) */,
+	{ APC_UNCONSTRAINED,	-1, -1,  0,  0 },
+	0, 0	/* No PER value map */
+};
+static asn_TYPE_member_t asn_MBR_RANAP_LastKnownServiceArea_1[] = {
+	{ ATF_NOFLAGS, 0, offsetof(struct RANAP_LastKnownServiceArea, sAI),
+		(ASN_TAG_CLASS_CONTEXT | (0 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_SAI,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"sAI"
+		},
+	{ ATF_NOFLAGS, 0, offsetof(struct RANAP_LastKnownServiceArea, ageOfSAI),
+		(ASN_TAG_CLASS_CONTEXT | (1 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_NativeInteger,
+		memb_ageOfSAI_constraint_1,
+		&asn_PER_memb_ageOfSAI_constr_3,
+		0,
+		"ageOfSAI"
+		},
+	{ ATF_POINTER, 1, offsetof(struct RANAP_LastKnownServiceArea, iE_Extensions),
+		(ASN_TAG_CLASS_CONTEXT | (2 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_IE_Extensions,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"iE-Extensions"
+		},
+};
+static const int asn_MAP_RANAP_LastKnownServiceArea_oms_1[] = { 2 };
+static const ber_tlv_tag_t asn_DEF_RANAP_LastKnownServiceArea_tags_1[] = {
+	(ASN_TAG_CLASS_UNIVERSAL | (16 << 2))
+};
+static const asn_TYPE_tag2member_t asn_MAP_RANAP_LastKnownServiceArea_tag2el_1[] = {
+    { (ASN_TAG_CLASS_CONTEXT | (0 << 2)), 0, 0, 0 }, /* sAI */
+    { (ASN_TAG_CLASS_CONTEXT | (1 << 2)), 1, 0, 0 }, /* ageOfSAI */
+    { (ASN_TAG_CLASS_CONTEXT | (2 << 2)), 2, 0, 0 } /* iE-Extensions */
+};
+static asn_SEQUENCE_specifics_t asn_SPC_RANAP_LastKnownServiceArea_specs_1 = {
+	sizeof(struct RANAP_LastKnownServiceArea),
+	offsetof(struct RANAP_LastKnownServiceArea, _asn_ctx),
+	asn_MAP_RANAP_LastKnownServiceArea_tag2el_1,
+	3,	/* Count of tags in the map */
+	asn_MAP_RANAP_LastKnownServiceArea_oms_1,	/* Optional members */
+	1, 0,	/* Root/Additions */
+	2,	/* Start extensions */
+	4	/* Stop extensions */
+};
+asn_TYPE_descriptor_t asn_DEF_RANAP_LastKnownServiceArea = {
+	"RANAP_LastKnownServiceArea",
+	"RANAP_LastKnownServiceArea",
+	SEQUENCE_free,
+	SEQUENCE_print,
+	SEQUENCE_constraint,
+	SEQUENCE_decode_ber,
+	SEQUENCE_encode_der,
+	SEQUENCE_decode_xer,
+	SEQUENCE_encode_xer,
+	SEQUENCE_decode_uper,
+	SEQUENCE_encode_uper,
+	SEQUENCE_decode_aper,
+	SEQUENCE_encode_aper,
+	0,	/* Use generic outmost tag fetcher */
+	asn_DEF_RANAP_LastKnownServiceArea_tags_1,
+	sizeof(asn_DEF_RANAP_LastKnownServiceArea_tags_1)
+		/sizeof(asn_DEF_RANAP_LastKnownServiceArea_tags_1[0]), /* 1 */
+	asn_DEF_RANAP_LastKnownServiceArea_tags_1,	/* Same as above */
+	sizeof(asn_DEF_RANAP_LastKnownServiceArea_tags_1)
+		/sizeof(asn_DEF_RANAP_LastKnownServiceArea_tags_1[0]), /* 1 */
+	0,	/* No PER visible constraints */
+	asn_MBR_RANAP_LastKnownServiceArea_1,
+	3,	/* Elements count */
+	&asn_SPC_RANAP_LastKnownServiceArea_specs_1	/* Additional specs */
+};
+