To connect to various instances of R | Trade Execution Platform™, machines behind a firewall will need to be able to connect to the following ip addresses with associated subnet masks:

38.79.0.80/28

38.65.202.192/27

104.153.226.0/27

184.105.22.224/27

The following ports must be accessible through the associated protocol at the ip addresses above:

65000 TCP

64100 TCP

63100 TCP

56000 TCP

55555 TCP

44444 TCP

40000 through to 41099 TCP

45454 UDP