i think it depends on your location, i suggest to create in these servers
X-SGGS tcpvpn
premisg1-vpnjantit
VIP server-puressh
ssl or ssh server-sshstores
ssh-sg1.starssh.com/45.77.171.118-starssh
i always create ssh account in that servers but still, it depends on your location,signal, speed of your phone