diff --git a/src/ipaddress.hpp b/src/ipaddress.hpp
index b78b677..b46d64e 100644
--- a/src/ipaddress.hpp
+++ b/src/ipaddress.hpp
@@ -1,8 +1,15 @@
 #pragma once
+#include "types.hpp"
 
+#include <linux/netlink.h>
+
+#include <cstdint>
+#include <optional>
 #include <sdbusplus/bus.hpp>
 #include <sdbusplus/server/object.hpp>
 #include <string>
+#include <string_view>
+#include <vector>
 #include <xyz/openbmc_project/Network/IP/server.hpp>
 #include <xyz/openbmc_project/Object/Delete/server.hpp>
 
@@ -19,6 +26,30 @@
 
 class EthernetInterface;
 
+/* @class AddressFilter
+ */
+struct AddressFilter
+{
+    unsigned interface = 0;
+    std::optional<uint8_t> scope;
+};
+
+/** @class AddressInfo
+ *  @brief Information about a addresses from the kernel
+ */
+struct AddressInfo
+{
+    unsigned interface;
+    InAddrAny address;
+    uint8_t prefix;
+    uint8_t scope;
+    uint32_t flags;
+};
+
+/** @brief Returns a list of the current system neighbor table
+ */
+std::vector<AddressInfo> getCurrentAddresses(const AddressFilter& filter);
+
 /** @class IPAddress
  *  @brief OpenBMC IPAddress implementation.
  *  @details A concrete implementation for the
@@ -71,5 +102,12 @@
     EthernetInterface& parent;
 };
 
+namespace detail
+{
+
+void parseAddress(const AddressFilter& filter, const nlmsghdr& hdr,
+                  std::string_view msg, std::vector<AddressInfo>& addresses);
+
+} // namespace detail
 } // namespace network
 } // namespace phosphor