diff --git a/controller/DB.hpp b/controller/DB.hpp
index fca41d708..8731cb5c4 100644
--- a/controller/DB.hpp
+++ b/controller/DB.hpp
@@ -84,7 +84,7 @@ public:
 
 	virtual void eraseMember(const uint64_t networkId,const uint64_t memberId) = 0;
 
-	virtual void nodeIsOnline(const uint64_t networkId,const uint64_t memberId) = 0;
+	virtual void nodeIsOnline(const uint64_t networkId,const uint64_t memberId,const InetAddress &physicalAddress) = 0;
 
 protected:
 	struct _Network
diff --git a/controller/EmbeddedNetworkController.cpp b/controller/EmbeddedNetworkController.cpp
index 999319af3..0f82ff633 100644
--- a/controller/EmbeddedNetworkController.cpp
+++ b/controller/EmbeddedNetworkController.cpp
@@ -1175,7 +1175,7 @@ void EmbeddedNetworkController::_request(
 		ms.lastRequestTime = now;
 	}
 
-	_db->nodeIsOnline(nwid,identity.address().toInt());
+	_db->nodeIsOnline(nwid,identity.address().toInt(),fromAddr);
 
 	Utils::hex(nwid,nwids);
 	_db->get(nwid,network,identity.address().toInt(),member,ns);
diff --git a/controller/FileDB.cpp b/controller/FileDB.cpp
index b9f360316..728cec6b5 100644
--- a/controller/FileDB.cpp
+++ b/controller/FileDB.cpp
@@ -126,7 +126,7 @@ void FileDB::eraseMember(const uint64_t networkId,const uint64_t memberId)
 {
 }
 
-void FileDB::nodeIsOnline(const uint64_t networkId,const uint64_t memberId)
+void FileDB::nodeIsOnline(const uint64_t networkId,const uint64_t memberId,const InetAddress &physicalAddress)
 {
 	// Nothing to do here right now in the filesystem store mode since we can just get this from the peer list
 }
diff --git a/controller/FileDB.hpp b/controller/FileDB.hpp
index b438e80ee..e31b18e60 100644
--- a/controller/FileDB.hpp
+++ b/controller/FileDB.hpp
@@ -38,7 +38,7 @@ public:
 
 	virtual void eraseMember(const uint64_t networkId,const uint64_t memberId);
 
-	virtual void nodeIsOnline(const uint64_t networkId,const uint64_t memberId);
+	virtual void nodeIsOnline(const uint64_t networkId,const uint64_t memberId,const InetAddress &physicalAddress);
 
 protected:
 	std::string _networksPath;
diff --git a/controller/RethinkDB.cpp b/controller/RethinkDB.cpp
index 6583f23cb..cd968e26f 100644
--- a/controller/RethinkDB.cpp
+++ b/controller/RethinkDB.cpp
@@ -227,10 +227,11 @@ RethinkDB::RethinkDB(EmbeddedNetworkController *const nc,const Address &myAddres
 						R::Array batch;
 						R::Object tmpobj;
 						for(auto i=_lastOnline.begin();i!=_lastOnline.end();++i) {
-							char tmp[64];
+							char tmp[64],tmp2[64];
 							OSUtils::ztsnprintf(tmp,sizeof(tmp),"%.16llx-%.10llx",i->first.first,i->first.second);
 							tmpobj["id"] = tmp;
-							tmpobj["ts"] = i->second;
+							tmpobj["ts"] = i->second.first;
+							tmpobj["phy"] = i->second.second.toIpString(tmp2);
 							batch.emplace_back(tmpobj);
 							if (batch.size() >= 256) {
 								R::db(this->_db).table("MemberLastRequest",R::optargs("read_mode","outdated")).insert(batch,R::optargs("conflict","update")).run(*rdb);
@@ -357,10 +358,13 @@ void RethinkDB::eraseMember(const uint64_t networkId,const uint64_t memberId)
 	_commitQueue.post(tmp);
 }
 
-void RethinkDB::nodeIsOnline(const uint64_t networkId,const uint64_t memberId)
+void RethinkDB::nodeIsOnline(const uint64_t networkId,const uint64_t memberId,const InetAddress &physicalAddress)
 {
 	std::lock_guard<std::mutex> l(_lastOnline_l);
-	_lastOnline[std::pair<uint64_t,uint64_t>(networkId,memberId)] = OSUtils::now();
+	std::pair<int64_t,InetAddress> &i = _lastOnline[std::pair<uint64_t,uint64_t>(networkId,memberId)];
+	i.first = OSUtils::now();
+	if (physicalAddress)
+		i.second = physicalAddress;
 }
 
 } // namespace ZeroTier
diff --git a/controller/RethinkDB.hpp b/controller/RethinkDB.hpp
index 269870192..a69f462f4 100644
--- a/controller/RethinkDB.hpp
+++ b/controller/RethinkDB.hpp
@@ -48,7 +48,7 @@ public:
 
 	virtual void eraseMember(const uint64_t networkId,const uint64_t memberId);
 
-	virtual void nodeIsOnline(const uint64_t networkId,const uint64_t memberId);
+	virtual void nodeIsOnline(const uint64_t networkId,const uint64_t memberId,const InetAddress &physicalAddress);
 
 protected:
 	struct _PairHasher
@@ -69,7 +69,7 @@ protected:
 	BlockingQueue< nlohmann::json * > _commitQueue;
 	std::thread _commitThread[ZT_CONTROLLER_RETHINKDB_COMMIT_THREADS];
 
-	std::unordered_map< std::pair<uint64_t,uint64_t>,int64_t,_PairHasher > _lastOnline;
+	std::unordered_map< std::pair<uint64_t,uint64_t>,std::pair<int64_t,InetAddress>,_PairHasher > _lastOnline;
 	mutable std::mutex _lastOnline_l;
 	std::thread _onlineNotificationThread;