diff --git a/include/osmocom/gprs/gprs_bssgp.h b/include/osmocom/gprs/gprs_bssgp.h
index dfbd9b7..7077044 100644
--- a/include/osmocom/gprs/gprs_bssgp.h
+++ b/include/osmocom/gprs/gprs_bssgp.h
@@ -10,6 +10,7 @@
 #include <osmocom/gsm/prim.h>
 
 #include <osmocom/gprs/protocol/gsm_08_18.h>
+#include <osmocom/gprs/protocol/gsm_24_301.h>
 
 /* gprs_bssgp_util.c */
 
@@ -175,6 +176,37 @@
 int bssgp_create_cell_id(uint8_t *buf, const struct gprs_ra_id *raid,
 			 uint16_t cid);
 
+enum bssgp_rim_routing_info_discr {
+	BSSGP_RIM_ROUTING_INFO_GERAN,
+	BSSGP_RIM_ROUTING_INFO_UTRAN,
+	BSSGP_RIM_ROUTING_INFO_EUTRAN,
+};
+
+/*! BSSGP RIM Routing information, see also 3GPP TS 48.018, section 11.3.70 */
+struct bssgp_rim_routing_info {
+	enum bssgp_rim_routing_info_discr discr;
+	union {
+		struct {
+			struct gprs_ra_id raid;
+			uint16_t cid;
+		} geran;
+		struct {
+			struct gprs_ra_id raid;
+			uint16_t rncid;
+		} utran;
+		struct {
+			struct osmo_eutran_tai tai;
+			/* See also 3GPP TS 36.413 9.2.1.37 and 3GPP TS 36.401 */
+			uint8_t global_enb_id[8];
+			uint8_t global_enb_id_len;
+		} eutran;
+	};
+};
+
+int bssgp_parse_rim_ri(struct bssgp_rim_routing_info *ri, const uint8_t *buf,
+		       unsigned int len);
+int bssgp_create_rim_ri(uint8_t *buf, const struct bssgp_rim_routing_info *ri);
+
 /* Wrapper around TLV parser to parse BSSGP IEs */
 static inline int bssgp_tlv_parse(struct tlv_parsed *tp, const uint8_t *buf, int len)
 {
diff --git a/include/osmocom/gprs/protocol/gsm_24_301.h b/include/osmocom/gprs/protocol/gsm_24_301.h
new file mode 100644
index 0000000..d4bcd87
--- /dev/null
+++ b/include/osmocom/gprs/protocol/gsm_24_301.h
@@ -0,0 +1,11 @@
+/*! \file gsm_24_301.h */
+
+#pragma once
+
+/*! Tracking area TS 24.301, section 9.9.3.32 */
+struct osmo_eutran_tai {
+	uint16_t mcc;
+	uint16_t mnc;
+	bool mnc_3_digits;
+	uint16_t tac;
+};