Host 21.3.15.23
  Hostname 21.3.15.23
  Port 10000
  User secure
  IdentityFile /tmp/id/id.dec
  ProxyJump 21.3.15.25

Host 21.3.15.24
  Hostname 21.3.15.24
  Port 10000
  User secure
  IdentityFile /tmp/id/id.dec
  ProxyJump 21.3.15.25

Host 21.3.15.25
  Hostname 10.17.140.150
  Port 10000
  User secure
  IdentityFile /tmp/id/id.dec
  ProxyJump 10.5.127.87

Host 21.3.15.26
  Hostname 10.17.140.151
  Port 10000
  User secure
  IdentityFile /tmp/id/id.dec
  ProxyJump 10.5.127.87

Host 21.3.15.27
  Hostname 21.3.15.27
  Port 10000
  User secure
  IdentityFile /tmp/id/id.dec
  ProxyJump 21.3.15.25

Host 21.3.15.28
  Hostname 21.3.15.28
  Port 10000
  User secure
  IdentityFile /tmp/id/id.dec
  ProxyJump 21.3.15.25

Host 21.3.15.29
  Hostname 21.3.15.29
  Port 10000
  User secure
  IdentityFile /tmp/id/id.dec
  ProxyJump 21.3.15.25

Host 21.3.15.30
  Hostname 21.3.15.30
  Port 10000
  User secure
  IdentityFile /tmp/id/id.dec
  ProxyJump 21.3.15.25