Host dev
  Hostname 192.168.111.209
  User oliver
  Port 2222


Host saopaulo
  Hostname 192.168.9.11
  User ansible
  IdentityFile /mnt/encrypted_volume/.ssh/saopaulo

Host mumbai
  Hostname 192.168.9.17
  User ansible
  IdentityFile /mnt/encrypted_volume/.ssh/mumbai

Host london
  Hostname 192.168.9.15
  User ansible
  IdentityFile /mnt/encrypted_volume/.ssh/london

Host boston
  Hostname 192.168.9.16
  User ansible
  IdentityFile /mnt/encrypted_volume/.ssh/boston