The total availability tests of pair.upenn.edu performed over the past 0 days beginning November 29, 2024, reached 0. It was noted in every test performed as of November 29, 2024, that pair.upenn.edu was either inaccessible or experiencing issues. Inspections carried out as of November 29, 2024, showed pair.upenn.edu faced no occurrences of inoperability. As confirmed by all replies received as of November 29, 2024, there are no responses with an error status. Pair.upenn.edu's response time was 0 seconds on November 29, 2024, compared to an average of 0.000.