internet availability

root@twopi ~log/remote/router.isp # grep -r '\bMissed\b' . | wc -l
350

root@twopi ~log/remote/router.isp # ls | wc -l                    
85

root@twopi ~log/remote/router.isp # python                        
Python 3.5.2 (default, Jul  3 2016, 09:10:18) 
[GCC 6.1.1 20160602] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> total = 85*24*60
>>> down = 350
>>> up = 1 - down / total
>>> up * 100
99.7140522875817