import os

# Read IP's from a list
IP_ADDR = ['192.168.1.1', '192.168.1.201', '192.168.1.202', '192.168.1.203',
			'192.168.1.204', '192.168.1.205', '192.168.1.206',
			'192.168.1.207', '192.168.1.208', '192.168.1.209',
			'192.168.1.210', '192.168.1.211', '192.168.1.212',
			'192.168.1.213', '192.168.1.214', '192.168.1.215']

IP_OWNER = ['Classroom Server', 'Kristian','Helge Sverre',
			'Eirik','NA','NA','NA','NA',
			'NA','NA','NA','NA','NA','NA','NA','NA']

# Blank list, use append to populate list
IP_STATE = []

# use this so check the length of the list, instead of guessing it
list_length = len(IP_ADDR)

# grab the username of the user, not really nessecary
username = os.getlogin()

print "\nWelcome " + username

# os.system ping return codes:  256 is failed, 2 is cancled, 0 is successful
# ping the servers.
# remove COMMAND to show the ping info, hidden by default
for iii in range(0,list_length):
	if os.system("ping " + IP_ADDR[iii] + " -c 1 -w 1") == 0:
		# add the IP state to the IP_STATE list
		IP_STATE.append("Up")
	else:
		# Add the IP state to the IP_STATE list
		IP_STATE.append("Down?")

iii = 0

# Give the user a clue what is what
print "IP Address\t   Status\t   Operator\n---------------------------------------------------"

# Show information
for iii in range(0,list_length):
	print IP_ADDR[iii] + "\t - " + IP_STATE[iii] + "\t - " + IP_OWNER[iii]