Hello @dmb891 ,
Yes, most probably your IP was banned (you depassed the number of retries for unsuccessful requests during the configured time interval)
A banned IP will be whitelisted after a specific amount of time, which is 24 hours.
In addition, if you are behind a NAT (like in some companies, or even Internet Service Providers), there is also a limit for the maximum number allowed of open connections (at a time) from a single IP address.