diff --git a/src/init.cpp b/src/init.cpp
index da13218a940bf..397ce6e065a91 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -288,6 +288,7 @@ std::string HelpMessage(HelpMessageMode mode)
     strUsage += "  -gen                   " + _("Generate coins (default: 0)") + "\n";
     strUsage += "  -genproclimit=<n>      " + _("Set the processor limit for when generation is on (-1 = unlimited, default: -1)") + "\n";
     strUsage += "  -help-debug            " + _("Show all debugging options (usage: --help -help-debug)") + "\n";
+    strUsage += "  -logips                " + _("Include IP addresses in debug output (default: 0)") + "\n";
     strUsage += "  -logtimestamps         " + _("Prepend debug output with timestamp (default: 1)") + "\n";
     if (GetBoolArg("-help-debug", false))
     {
@@ -585,6 +586,7 @@ bool AppInit2(boost::thread_group& threadGroup)
     fServer = GetBoolArg("-server", false);
     fPrintToConsole = GetBoolArg("-printtoconsole", false);
     fLogTimestamps = GetBoolArg("-logtimestamps", true);
+    fLogIPs = GetBoolArg("-logips", false);
     setvbuf(stdout, NULL, _IOLBF, 0);
 #ifdef ENABLE_WALLET
     bool fDisableWallet = GetBoolArg("-disablewallet", false);
diff --git a/src/main.cpp b/src/main.cpp
index 04d9523e26edf..a461c5c613c26 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3547,7 +3547,7 @@ void static ProcessGetData(CNode* pfrom)
 bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
 {
     RandAddSeedPerfmon();
-    LogPrint("net", "received: %s (%u bytes)\n", strCommand, vRecv.size());
+    LogPrint("net", "received: %s (%u bytes) peer=%d\n", strCommand, vRecv.size(), pfrom->id);
     if (mapArgs.count("-dropmessagestest") && GetRand(atoi(mapArgs["-dropmessagestest"])) == 0)
     {
         LogPrintf("dropmessagestest DROPPING RECV MESSAGE\n");
@@ -3579,7 +3579,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
         if (pfrom->nVersion < MIN_PEER_PROTO_VERSION)
         {
             // disconnect from peers older than this proto version
-            LogPrintf("partner %s using obsolete version %i; disconnecting\n", pfrom->addr.ToString(), pfrom->nVersion);
+            LogPrintf("peer=%d using obsolete version %i; disconnecting\n", pfrom->id, pfrom->nVersion);
             pfrom->PushMessage("reject", strCommand, REJECT_OBSOLETE,
                                strprintf("Version must be %d or greater", MIN_PEER_PROTO_VERSION));
             pfrom->fDisconnect = true;
@@ -3660,7 +3660,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
 
         pfrom->fSuccessfullyConnected = true;
 
-        LogPrintf("receive version message: %s: version %d, blocks=%d, us=%s, them=%s, peer=%s\n", pfrom->cleanSubVer, pfrom->nVersion, pfrom->nStartingHeight, addrMe.ToString(), addrFrom.ToString(), pfrom->addr.ToString());
+        LogPrintf("receive version message: %s: version %d, blocks=%d, us=%s, peer=%d\n", pfrom->cleanSubVer, pfrom->nVersion, pfrom->nStartingHeight, addrMe.ToString(), pfrom->id);
 
         AddTimeData(pfrom->addr, nTime);
     }
@@ -3767,7 +3767,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
             pfrom->AddInventoryKnown(inv);
 
             bool fAlreadyHave = AlreadyHave(inv);
-            LogPrint("net", "  got inventory: %s  %s\n", inv.ToString(), fAlreadyHave ? "have" : "new");
+            LogPrint("net", "got inv: %s  %s peer=%d\n", inv.ToString(), fAlreadyHave ? "have" : "new", pfrom->id);
 
             if (!fAlreadyHave) {
                 if (!fImporting && !fReindex) {
@@ -3800,10 +3800,10 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
         }
 
         if (fDebug || (vInv.size() != 1))
-            LogPrint("net", "received getdata (%u invsz)\n", vInv.size());
+            LogPrint("net", "received getdata (%u invsz) peer=%d\n", vInv.size(), pfrom->id);
 
         if ((fDebug && vInv.size() > 0) || (vInv.size() == 1))
-            LogPrint("net", "received getdata for: %s\n", vInv[0].ToString());
+            LogPrint("net", "received getdata for: %s peer=%d\n", vInv[0].ToString(), pfrom->id);
 
         pfrom->vRecvGetData.insert(pfrom->vRecvGetData.end(), vInv.begin(), vInv.end());
         ProcessGetData(pfrom);
@@ -3825,7 +3825,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
         if (pindex)
             pindex = chainActive.Next(pindex);
         int nLimit = 500;
-        LogPrint("net", "getblocks %d to %s limit %d\n", (pindex ? pindex->nHeight : -1), hashStop==uint256(0) ? "end" : hashStop.ToString(), nLimit);
+        LogPrint("net", "getblocks %d to %s limit %d from peer=%d\n", (pindex ? pindex->nHeight : -1), hashStop==uint256(0) ? "end" : hashStop.ToString(), nLimit, pfrom->id);
         for (; pindex; pindex = chainActive.Next(pindex))
         {
             if (pindex->GetBlockHash() == hashStop)
@@ -3908,8 +3908,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
             vEraseQueue.push_back(inv.hash);
 
 
-            LogPrint("mempool", "AcceptToMemoryPool: %s %s : accepted %s (poolsz %u)\n",
-                pfrom->addr.ToString(), pfrom->cleanSubVer,
+            LogPrint("mempool", "AcceptToMemoryPool: peer=%d %s : accepted %s (poolsz %u)\n",
+                pfrom->id, pfrom->cleanSubVer,
                 tx.GetHash().ToString(),
                 mempool.mapTx.size());
 
@@ -3962,8 +3962,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
         int nDoS = 0;
         if (state.IsInvalid(nDoS))
         {
-            LogPrint("mempool", "%s from %s %s was not accepted into the memory pool: %s\n", tx.GetHash().ToString(),
-                pfrom->addr.ToString(), pfrom->cleanSubVer,
+            LogPrint("mempool", "%s from peer=%d %s was not accepted into the memory pool: %s\n", tx.GetHash().ToString(),
+                pfrom->id, pfrom->cleanSubVer,
                 state.GetRejectReason());
             pfrom->PushMessage("reject", strCommand, state.GetRejectCode(),
                                state.GetRejectReason(), inv.hash);
@@ -3978,7 +3978,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
         CBlock block;
         vRecv >> block;
 
-        LogPrint("net", "received block %s\n", block.GetHash().ToString());
+        LogPrint("net", "received block %s peer=%d\n", block.GetHash().ToString(), pfrom->id);
         // block.print();
 
         CInv inv(MSG_BLOCK, block.GetHash());
@@ -4095,8 +4095,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
         }
 
         if (!(sProblem.empty())) {
-            LogPrint("net", "pong %s %s: %s, %x expected, %x received, %u bytes\n",
-                pfrom->addr.ToString(),
+            LogPrint("net", "pong peer=%d %s: %s, %x expected, %x received, %u bytes\n",
+                pfrom->id,
                 pfrom->cleanSubVer,
                 sProblem,
                 pfrom->nPingNonceSent,
@@ -4336,7 +4336,7 @@ bool ProcessMessages(CNode* pfrom)
         }
 
         if (!fRet)
-            LogPrintf("ProcessMessage(%s, %u bytes) FAILED\n", strCommand, nMessageSize);
+            LogPrintf("ProcessMessage(%s, %u bytes) FAILED peer=%d\n", strCommand, nMessageSize, pfrom->id);
 
         break;
     }
@@ -4540,7 +4540,7 @@ bool SendMessages(CNode* pto, bool fSendTrickle)
             uint256 hash = state.vBlocksToDownload.front();
             vGetData.push_back(CInv(MSG_BLOCK, hash));
             MarkBlockAsInFlight(pto->GetId(), hash);
-            LogPrint("net", "Requesting block %s from %s\n", hash.ToString(), state.name);
+            LogPrint("net", "Requesting block %s peer=%d\n", hash.ToString(), pto->id);
             if (vGetData.size() >= 1000)
             {
                 pto->PushMessage("getdata", vGetData);
@@ -4557,7 +4557,7 @@ bool SendMessages(CNode* pto, bool fSendTrickle)
             if (!AlreadyHave(inv))
             {
                 if (fDebug)
-                    LogPrint("net", "sending getdata: %s\n", inv.ToString());
+                    LogPrint("net", "Requesting %s peer=%d\n", inv.ToString(), pto->id);
                 vGetData.push_back(inv);
                 if (vGetData.size() >= 1000)
                 {
diff --git a/src/net.cpp b/src/net.cpp
index 934c45ca4cc33..c7bdb83aad28d 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -491,8 +491,6 @@ CNode* ConnectNode(CAddress addrConnect, const char *pszDest)
     {
         addrman.Attempt(addrConnect);
 
-        LogPrint("net", "connected %s\n", pszDest ? pszDest : addrConnect.ToString());
-
         // Set to non-blocking
 #ifdef WIN32
         u_long nOne = 1;
@@ -513,6 +511,7 @@ CNode* ConnectNode(CAddress addrConnect, const char *pszDest)
         }
 
         pnode->nTimeConnected = GetTime();
+
         return pnode;
     }
 
@@ -524,7 +523,7 @@ void CNode::CloseSocketDisconnect()
     fDisconnect = true;
     if (hSocket != INVALID_SOCKET)
     {
-        LogPrint("net", "disconnecting node %s\n", addrName);
+        LogPrint("net", "disconnecting peer=%d\n", id);
         closesocket(hSocket);
         hSocket = INVALID_SOCKET;
     }
@@ -548,7 +547,10 @@ void CNode::PushVersion()
     CAddress addrYou = (addr.IsRoutable() && !IsProxy(addr) ? addr : CAddress(CService("0.0.0.0",0)));
     CAddress addrMe = GetLocalAddress(&addr);
     RAND_bytes((unsigned char*)&nLocalHostNonce, sizeof(nLocalHostNonce));
-    LogPrint("net", "send version message: version %d, blocks=%d, us=%s, them=%s, peer=%s\n", PROTOCOL_VERSION, nBestHeight, addrMe.ToString(), addrYou.ToString(), addr.ToString());
+    if (fLogIPs)
+        LogPrint("net", "send version message: version %d, blocks=%d, us=%s, them=%s, peer=%d\n", PROTOCOL_VERSION, nBestHeight, addrMe.ToString(), addrYou.ToString(), id);
+    else
+        LogPrint("net", "send version message: version %d, blocks=%d, us=%s, peer=%d\n", PROTOCOL_VERSION, nBestHeight, addrMe.ToString(), id);
     PushMessage("version", PROTOCOL_VERSION, nLocalServices, nTime, addrYou, addrMe,
                 nLocalHostNonce, FormatSubVersion(CLIENT_NAME, CLIENT_VERSION, std::vector<string>()), nBestHeight, true);
 }
@@ -950,7 +952,6 @@ void ThreadSocketHandler()
                 }
                 else
                 {
-                    LogPrint("net", "accepted connection %s\n", addr.ToString());
                     CNode* pnode = new CNode(hSocket, addr, "", true);
                     pnode->AddRef();
 
@@ -1040,7 +1041,7 @@ void ThreadSocketHandler()
             {
                 if (pnode->nLastRecv == 0 || pnode->nLastSend == 0)
                 {
-                    LogPrint("net", "socket no message in first 60 seconds, %d %d\n", pnode->nLastRecv != 0, pnode->nLastSend != 0);
+                    LogPrint("net", "socket no message in first 60 seconds, %d %d from %d\n", pnode->nLastRecv != 0, pnode->nLastSend != 0, pnode->id);
                     pnode->fDisconnect = true;
                 }
                 else if (nTime - pnode->nLastSend > TIMEOUT_INTERVAL)
diff --git a/src/net.h b/src/net.h
index 2ee798d468077..3b169f442fa3d 100644
--- a/src/net.h
+++ b/src/net.h
@@ -330,6 +330,11 @@ class CNode
             id = nLastNodeId++;
         }
 
+        if (fLogIPs)
+            LogPrint("net", "Added connection to %s peer=%d\n", addrName, id);
+        else
+            LogPrint("net", "Added connection peer=%d\n", id);
+
         // Be shy and don't send version until we hear
         if (hSocket != INVALID_SOCKET && !fInbound)
             PushVersion();
@@ -446,7 +451,7 @@ class CNode
             nRequestTime = it->second;
         else
             nRequestTime = 0;
-        LogPrint("net", "askfor %s   %d (%s)\n", inv.ToString(), nRequestTime, DateTimeStrFormat("%H:%M:%S", nRequestTime/1000000).c_str());
+        LogPrint("net", "askfor %s  %d (%s) peer=%d\n", inv.ToString(), nRequestTime, DateTimeStrFormat("%H:%M:%S", nRequestTime/1000000).c_str(), id);
 
         // Make sure not to reuse time indexes to keep things in the same order
         int64_t nNow = GetTimeMicros() - 1000000;
@@ -514,7 +519,7 @@ class CNode
         assert(ssSend.size () >= CMessageHeader::CHECKSUM_OFFSET + sizeof(nChecksum));
         memcpy((char*)&ssSend[CMessageHeader::CHECKSUM_OFFSET], &nChecksum, sizeof(nChecksum));
 
-        LogPrint("net", "(%d bytes)\n", nSize);
+        LogPrint("net", "(%d bytes) peer=%d\n", nSize, id);
 
         std::deque<CSerializeData>::iterator it = vSendMsg.insert(vSendMsg.end(), CSerializeData());
         ssSend.GetAndClear(*it);
diff --git a/src/util.cpp b/src/util.cpp
index 5a8f85ade78f3..081484c37d99a 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -95,6 +95,7 @@ bool fDaemon = false;
 bool fServer = false;
 string strMiscWarning;
 bool fLogTimestamps = false;
+bool fLogIPs = false;
 volatile bool fReopenDebugLog = false;
 CClientUIInterface uiInterface;
 
diff --git a/src/util.h b/src/util.h
index 707b8f2d7604a..60db71bfd0a18 100644
--- a/src/util.h
+++ b/src/util.h
@@ -100,6 +100,7 @@ extern bool fPrintToDebugLog;
 extern bool fServer;
 extern std::string strMiscWarning;
 extern bool fLogTimestamps;
+extern bool fLogIPs;
 extern volatile bool fReopenDebugLog;
 
 void RandAddSeed();