Sauce Labs recommends using Sauce Connect Proxy to test internal sites and applications, rather than allowlisting Sauce Labs IP addresses for incoming connections.
You can find further information on this topic at
https://docs.saucelabs.com/secure-connections/sauce-connect/
If you need to allowlist connections to Sauce Labs so that Sauce Connect Proxy will work correctly, we recommend allowlisting hostnames rather than IP addresses. See the Allowlisting for Restricted Networks section at
https://docs.saucelabs.com/secure-connections/sauce-connect/system-requirements/
