There have been 2 checks of antlr2.org's functioning in the 1 198 day period starting from September 12, 2021. Out of all the checks that were made, antlr2.org was reachable 2 times, with the most recent one receiving a 200 code on September 12, 2021. There were no instances of unavailability observed for antlr2.org across all tests conducted as of December 23, 2024. Based on all the replies, as of December 23, 2024, no error status code has been returned. Antlr2.org responded in 0.328 seconds on September 12, 2021, its average response time being 0.669 seconds.