The total availability tests of pair.upenn.edu performed over the past 0 days beginning November 30, 2024, reached 0. It was noted in every test performed as of November 30, 2024, that pair.upenn.edu was either inaccessible or experiencing issues. Inspections carried out as of November 30, 2024, showed pair.upenn.edu faced no occurrences of inoperability. As confirmed by all replies received as of November 30, 2024, there are no responses with an error status. Pair.upenn.edu's response time was 0 seconds on November 30, 2024, compared to an average of 0.000.