diff --git a/homeassistant/components/braviatv/manifest.json b/homeassistant/components/braviatv/manifest.json
index d8a835676b8..52e8e1bec76 100644
--- a/homeassistant/components/braviatv/manifest.json
+++ b/homeassistant/components/braviatv/manifest.json
@@ -3,7 +3,8 @@
   "name": "Braviatv",
   "documentation": "https://www.home-assistant.io/components/braviatv",
   "requirements": [
-    "braviarc-homeassistant==0.3.7.dev0"
+    "braviarc-homeassistant==0.3.7.dev0",
+    "getmac==0.8.1"
   ],
   "dependencies": [
     "configurator"
diff --git a/homeassistant/components/braviatv/media_player.py b/homeassistant/components/braviatv/media_player.py
index 6377561009d..637e2922222 100644
--- a/homeassistant/components/braviatv/media_player.py
+++ b/homeassistant/components/braviatv/media_player.py
@@ -1,7 +1,8 @@
 """Support for interface with a Sony Bravia TV."""
+import ipaddress
 import logging
-import re
 
+from getmac import get_mac_address
 import voluptuous as vol
 
 from homeassistant.components.media_player import (
@@ -40,19 +41,6 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
 })
 
 
-def _get_mac_address(ip_address):
-    """Get the MAC address of the device."""
-    from subprocess import Popen, PIPE
-
-    pid = Popen(["arp", "-n", ip_address], stdout=PIPE)
-    pid_component = pid.communicate()[0]
-    match = re.search(r"(([a-f\d]{1,2}\:){5}[a-f\d]{1,2})".encode('UTF-8'),
-                      pid_component)
-    if match is not None:
-        return match.groups()[0]
-    return None
-
-
 def setup_platform(hass, config, add_entities, discovery_info=None):
     """Set up the Sony Bravia TV platform."""
     host = config.get(CONF_HOST)
@@ -84,9 +72,15 @@ def setup_bravia(config, pin, hass, add_entities):
         request_configuration(config, hass, add_entities)
         return
 
-    mac = _get_mac_address(host)
-    if mac is not None:
-        mac = mac.decode('utf8')
+    try:
+        if ipaddress.ip_address(host).version == 6:
+            mode = 'ip6'
+        else:
+            mode = 'ip'
+    except ValueError:
+        mode = 'hostname'
+    mac = get_mac_address(**{mode: host})
+
     # If we came here and configuring this host, mark as done
     if host in _CONFIGURING:
         request_id = _CONFIGURING.pop(host)
diff --git a/homeassistant/components/nmap_tracker/device_tracker.py b/homeassistant/components/nmap_tracker/device_tracker.py
index 1b528b0af7e..913ae98ab89 100644
--- a/homeassistant/components/nmap_tracker/device_tracker.py
+++ b/homeassistant/components/nmap_tracker/device_tracker.py
@@ -1,10 +1,9 @@
 """Support for scanning a network with nmap."""
 import logging
-import re
-import subprocess
 from collections import namedtuple
 from datetime import timedelta
 
+from getmac import get_mac_address
 import voluptuous as vol
 
 import homeassistant.helpers.config_validation as cv
@@ -40,18 +39,6 @@ def get_scanner(hass, config):
 Device = namedtuple('Device', ['mac', 'name', 'ip', 'last_update'])
 
 
-def _arp(ip_address):
-    """Get the MAC address for a given IP."""
-    cmd = ['arp', '-n', ip_address]
-    arp = subprocess.Popen(cmd, stdout=subprocess.PIPE)
-    out, _ = arp.communicate()
-    match = re.search(r'(([0-9A-Fa-f]{1,2}\:){5}[0-9A-Fa-f]{1,2})', str(out))
-    if match:
-        return ':'.join([i.zfill(2) for i in match.group(0).split(':')])
-    _LOGGER.info('No MAC address found for %s', ip_address)
-    return None
-
-
 class NmapDeviceScanner(DeviceScanner):
     """This class scans for devices using nmap."""
 
@@ -132,8 +119,9 @@ class NmapDeviceScanner(DeviceScanner):
                 continue
             name = info['hostnames'][0]['name'] if info['hostnames'] else ipv4
             # Mac address only returned if nmap ran as root
-            mac = info['addresses'].get('mac') or _arp(ipv4)
+            mac = info['addresses'].get('mac') or get_mac_address(ip=ipv4)
             if mac is None:
+                _LOGGER.info('No MAC address found for %s', ipv4)
                 continue
             last_results.append(Device(mac.upper(), name, ipv4, now))
 
diff --git a/homeassistant/components/nmap_tracker/manifest.json b/homeassistant/components/nmap_tracker/manifest.json
index f4c4d33f036..0380acba1ac 100644
--- a/homeassistant/components/nmap_tracker/manifest.json
+++ b/homeassistant/components/nmap_tracker/manifest.json
@@ -3,7 +3,8 @@
   "name": "Nmap tracker",
   "documentation": "https://www.home-assistant.io/components/nmap_tracker",
   "requirements": [
-    "python-nmap==0.6.1"
+    "python-nmap==0.6.1",
+    "getmac==0.8.1"
   ],
   "dependencies": [],
   "codeowners": []
diff --git a/requirements_all.txt b/requirements_all.txt
index 539645549ee..6863078985b 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -513,6 +513,10 @@ georss_ign_sismologia_client==0.2
 # homeassistant.components.qld_bushfire
 georss_qld_bushfire_alert_client==0.3
 
+# homeassistant.components.braviatv
+# homeassistant.components.nmap_tracker
+getmac==0.8.1
+
 # homeassistant.components.gitter
 gitterpy==0.1.7