diff --git a/fetchers.py b/fetchers.py
index 469a04f..cca6ed2 100644
--- a/fetchers.py
+++ b/fetchers.py
@@ -5,6 +5,7 @@ import datetime as datetimesrc
 import psutil
 import subprocess
 from colors import Colors, getColorsDict
+import ipaddress
 
 def pretty_mac(_mac):
     try:
@@ -113,7 +114,20 @@ def getMemPercent(colors = True):
 def getRowSeparator():
     return Colors.NEGATIVE + "".join([" " for i in range(0, 60)]) + Colors.END
 
-def getArp():
+def checkIpInPool(ip, pool):
+    if not ip or not pool:
+        return True
+    return ipaddress.ip_address(ip) in ipaddress.ip_network(pool)
+
+def pingHostViaNMap(ip_pool = None):
+    if ip_pool is None:
+        return ""
+    subprocess.check_output(f"nmap -sn {ip_pool}", shell=True, text=True)
+    return getDateTime()
+
+def getArp(ip_pool = None):
+    #pingHostViaNMap(ip_pool)
+
     global maclookup
     if maclookup is None:
         maclookup = MacLookup()
@@ -128,6 +142,18 @@ def getArp():
     for line in arp_res.split("\n"):
         if line:
             host, ip, at, mac, *other = line.split(" ")
+            ip = ip[1:-1]
+            if checkIpInPool(ip, ip_pool):
+                pass
+            else:
+                continue
+
+            if mac == "(incomplete)":
+                continue
+
+            if mac == "FF:FF:FF:FF:FF:FF".lower():
+                continue
+
             mac = pretty_mac(mac)
 
             if mac not in firstMacLookup:
@@ -137,7 +163,7 @@ def getArp():
             delta = int(time.time()) - firstMacLookup[mac]
             result.append({
                 "host": host, 
-                "ip": ip[1:-1], 
+                "ip": ip, 
                 "mac": mac, 
                 "mac_name": maclookup.lookup(mac), 
                 "delta": delta,
diff --git a/service.py b/service.py
index 2afaa87..86291ef 100644
--- a/service.py
+++ b/service.py
@@ -21,13 +21,13 @@ def printColors():
         res += f"{v}{k}"
     print(res)
 
-def createDaemon(func, key, sleep = 60):
+def createDaemon(func, key, sleep = 60, *args):
     from threading import Thread
     results[key] = ""
     def resTo():
         while True:
             try:
-                results[key] = func()
+                results[key] = func(*args)
                 if logging:
                     print(f'[{time.time()}] Save result to {key}')
             except:
@@ -50,7 +50,8 @@ class Service:
         createDaemon(getDateTime, "date_time", 1)
         createDaemon(getCpuPercent, "cpu_percent", 1)
         createDaemon(getMemPercent, "mem_percent", 1)
-        createDaemon(getArp, "arp_result", 60)
+        createDaemon(getArp, "arp_result", 60, self.args.ip_pool)
+        createDaemon(pingHostViaNMap, "nmap_pinger", 60, self.args.ip_pool)
         try:
             from haSensors import getHaSensors
             createDaemon(getHaSensors, "ha_sensors", 60)
@@ -86,6 +87,7 @@ if __name__ == "__main__":
     parser = argparse.ArgumentParser()
     parser.add_argument("--cols", default=60)
     parser.add_argument("--rows", default=40)
+    parser.add_argument("--ip-pool", default="192.168.3.0/24")
     args = parser.parse_args()
     Service(args)
     #printColors()
\ No newline at end of file