There have been 4 checks of antlr2.org's functioning in the 1 299 day period starting from September 12, 2021. Out of all the checks that were made, antlr2.org was reachable 4 times, with the most recent one receiving a 200 code on January 9, 2025. There were no instances of unavailability observed for antlr2.org across all tests conducted as of April 3, 2025. Based on all the replies, as of April 3, 2025, no error status code has been returned. Antlr2.org responded in 0.851 seconds on January 9, 2025, its average response time being 0.729 seconds.