diff --git a/src/pdr.c b/src/pdr.c
index 0d6ce76..a78593c 100644
--- a/src/pdr.c
+++ b/src/pdr.c
@@ -365,6 +365,65 @@
 	} while (record);
 }
 
+static bool pldm_record_handle_in_range(uint32_t record_handle,
+					uint32_t first_record_handle,
+					uint32_t last_record_handle)
+{
+	return record_handle >= first_record_handle &&
+	       record_handle <= last_record_handle;
+}
+
+LIBPLDM_ABI_TESTING
+int pldm_pdr_find_container_id_range_exclude(
+	const pldm_pdr *repo, uint16_t entity_type, uint16_t entity_instance,
+	uint32_t range_exclude_start_handle, uint32_t range_exclude_end_handle,
+	uint16_t *container_id)
+{
+	pldm_pdr_record *record;
+	if (!repo) {
+		return -EINVAL;
+	}
+
+	for (record = repo->first; record; record = record->next) {
+		bool is_container_entity_instance_number;
+		struct pldm_pdr_entity_association *pdr;
+		bool is_container_entity_type;
+		struct pldm_entity *child;
+		struct pldm_pdr_hdr *hdr;
+		bool in_range;
+
+		// pldm_pdr_add() takes only uint8_t* data as an argument.
+		// The expectation here is the pldm_pdr_hdr is the first field of the record data
+		hdr = (struct pldm_pdr_hdr *)record->data;
+		if (hdr->type != PLDM_PDR_ENTITY_ASSOCIATION) {
+			continue;
+		}
+		in_range = pldm_record_handle_in_range(
+			record->record_handle, range_exclude_start_handle,
+			range_exclude_end_handle);
+		if (in_range) {
+			continue;
+		}
+
+		// this cast is valid with respect to alignment because
+		// struct pldm_pdr_hdr is declared with __attribute__((packed))
+		pdr = (void *)(record->data + sizeof(struct pldm_pdr_hdr));
+		if (pdr->num_children == 0) {
+			continue;
+		}
+		child = (&pdr->children[0]);
+		is_container_entity_type = pdr->container.entity_type ==
+					   entity_type;
+		is_container_entity_instance_number =
+			pdr->container.entity_instance_num == entity_instance;
+		if (is_container_entity_type &&
+		    is_container_entity_instance_number) {
+			*container_id = le16toh(child->entity_container_id);
+		}
+	}
+	return -ENOKEY;
+}
+
 typedef struct pldm_entity_association_tree {
 	pldm_entity_node *root;
 	uint16_t last_used_container_id;