diff --git a/node/ip-poll.js b/node/ip-poll.js
index fe51830..d512e10 100644
--- a/node/ip-poll.js
+++ b/node/ip-poll.js
@@ -8,37 +8,37 @@ var redisprefix = "ippoll:";
 var IpPoll = function(switchaddr, hostsaddr) {
 	var self = this;
 
-    var redisClient = redis.createClient();
+	var redisClient = redis.createClient();
 	var regexp = /\(([0-9]+) hosts* up\)/;
-	var nmap = "nmap -n -sP -T5 ";
+	var nmap = "nmap -n -sP -T4 ";
 
-    redisClient.on("connect", function () {
-        console.log("connected to redis");
-        self.emit('ready');
-    });
-		
-	this.pollCount = function() {	
-		exec(nmap + "--min-hostgroup 10 " + hostsaddr, function (error, stdout, stderr) {			
-			if(error == null) {		
-				var matches = regexp.exec(stdout);		
+	redisClient.on("connect", function () {
+		console.log("connected to redis");
+		self.emit('ready');
+	});
+
+	this.pollCount = function() {
+		exec(nmap + "--min-hostgroup 10 " + hostsaddr, function (error, stdout, stderr) {
+			if(error == null) {
+				var matches = regexp.exec(stdout);
 				if(matches != null && matches.length == 2) {
-                    var time = Date.now();
+					var time = Date.now();
 
-                    redisClient.zremrangebyscore('onlinecount', "-inf", time - 7*24*60*1000);
+					redisClient.zremrangebyscore('onlinecount', "-inf", time - 7*24*60*1000);
 
-                    var num = matches[1];
+					var num = matches[1];
 
-                    redisClient.zadd('onlinecount', time, time + "|" + num, function() {
-                        self.emit('doneCount', num);
-                    });
+					redisClient.zadd('onlinecount', time, time + "|" + num, function() {
+						self.emit('doneCount', num);
+					});
 				}
 			}
-		});	
+		});
 	};
-	
+
 	this.pollState = function() {
-		exec(nmap + switchaddr, function (error, stdout, stderr) {			
-			if(error == null) {		
+		exec(nmap + switchaddr, function (error, stdout, stderr) {
+			if(error == null) {
 				var matches = regexp.exec(stdout);
 				if(matches != null && matches.length == 2) {
 					self.emit('doneState', matches[1] == "1");
@@ -46,22 +46,22 @@ var IpPoll = function(switchaddr, hostsaddr) {
 			} else {
 				self.emit('doneState', "unknown");
 			}
-		});			
+		});
 	};
 
-    this.getHistory = function(start, end, callback) {
+	this.getHistory = function(start, end, callback) {
 
-        redisClient.zrangebyscore('onlinecount', "-inf", "+inf", function(err, replies) {
-            var data = [];
+		redisClient.zrangebyscore('onlinecount', "-inf", "+inf", function(err, replies) {
+			var data = [];
 
-            replies.forEach(function (reply, i) {
-                var line = reply.split('|');
-                data.push( { at: moment(parseInt(line[0])).format(), value: line[1] });
-            });
+			replies.forEach(function (reply, i) {
+				var line = reply.split('|');
+				data.push( { at: moment(parseInt(line[0])).format(), value: line[1] });
+			});
 
-            callback(data);
-        });
-    };
+			callback(data);
+		});
+	};
 };
 
 util.inherits(IpPoll, EventEmitter);