From July 24, 2021, up to the current date, 1 226 days total, istc.net was checked for operability 4 times. Istc.net was up 4 times during the course of the testing, with the most recent uptime occurring on January 9, 2023, responding with a code 200. No evaluations conducted as of December 2, 2024, showed any periods of unavailability for istc.net. As of December 2, 2024, no error statuses had been reported in any of the responses that had been received. Istc.net responded in 4.746 seconds on January 9, 2023, its average response time being 4.153 seconds.