Server 1: 173.212.200.34:25565

Server 2: 173.212.200.34:25564

Server 3: 184.82.7.18:25565

Server 4: 184.82.7.18:25564

Server 5: 184.82.7.19:25563

Server 6: 173.212.200.35:2556 

Those servers are down why?? 

I wanna play on them everybody wants but no1 can't connect or something i want a answer plz reply why it just can be private smp...