Print all Mac Address Vendors around you (Arp -a)

# print all mac address vendors around you (using arp table and this great python library https://pypi.org/project/mac-vendor-lookup/ )

import os
from mac_vendor_lookup import MacLookup

myCmd = os.popen("arp -a").read()
print(myCmd)
for line in myCmd.splitlines():
 for item in line.split():
  if "-" in item:
   if "--" not in item:
    try:
     print(item + ": " + MacLookup().lookup(item))
    except:
     print(item + ": not found")