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

Rithmic is a developer of high performance multi-asset trade execution software. Rithmic’s R | Trade Execution Platform™ for trading futures, spreads, equities and options provides highly stable and scalable desktop trading and risk management screens, bi-directional streaming connectivity with Microsoft Office Excel, a C++ API, a .NET API, FIX connectivity, market data and order routing.