diff --git a/src/NimBLEAddress.cpp b/src/NimBLEAddress.cpp
index d8ce5e8..af7956b 100644
--- a/src/NimBLEAddress.cpp
+++ b/src/NimBLEAddress.cpp
@@ -138,6 +138,15 @@ uint8_t NimBLEAddress::getType() const {
 } // getType
 
 
+/**
+ * @brief Determine if this address is a Resolvable Private Address.
+ * @return True if the address is a RPA.
+ */
+bool NimBLEAddress::isRpa() const {
+    return (m_addrType && ((m_address[5] & 0xc0) == 0x40));
+} // isRpa
+
+
 /**
  * @brief Convert a BLE address to a string.
  *
diff --git a/src/NimBLEAddress.h b/src/NimBLEAddress.h
index a6e10a0..8a55b3e 100644
--- a/src/NimBLEAddress.h
+++ b/src/NimBLEAddress.h
@@ -43,6 +43,7 @@ public:
     NimBLEAddress(uint8_t address[6], uint8_t type = BLE_ADDR_PUBLIC);
     NimBLEAddress(const std::string &stringAddress, uint8_t type = BLE_ADDR_PUBLIC);
     NimBLEAddress(const uint64_t &address, uint8_t type = BLE_ADDR_PUBLIC);
+    bool            isRpa() const;
     bool            equals(const NimBLEAddress &otherAddress) const;
     const uint8_t*  getNative() const;
     std::string     toString() const;