Hello, For our purposes, we use RRD image generator and get plots from the different probes. We used the recommendations that described on this page: http://atlas.ripe.net/doc/api . We found, that this information is not actual. So we would like to suggest you to update it: • probe ID < 500: zpm01.atlas.ripe.net. • probe ID >= 500 and probe ID < 1000: zpm02.atlas.ripe.net. • probe ID >= 1000 and probe ID < 2000: zpm03.atlas.ripe.net. • probe ID >= 2000 and probe ID < 3000: zpm04.atlas.ripe.net. In addition, it would be nice if the page with the documentation will contain more extensive and detailed information about the API. -- Thanks in advance & Best Regards -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- Pavel Veselovskiy Email: pavelveselovskiy@gmail.com Phone: +7 927 686 12 32