June 22, 2021, started the 1 245 day period in which subnettingpractice.com had 9 availability tests performed. In response, on September 11, 2024, subnettingpractice.com, which has been operational for 9 times during all conducted checks, returned a code 200. All testing performed of subnettingpractice.com as of November 19, 2024, found zero instances of inoperability. Based on the replies that were received, it was determined that as of November 19, 2024, all responses were error-free. According to records, on September 11, 2024, subnettingpractice.com responded in 0.394 seconds, as opposed to an average of 0.487 seconds.