I think it just means that some of the probes in your selected geographical area / ASN are offline -----Original Message----- From: ripe-atlas [mailto:ripe-atlas-bounces@ripe.net] On Behalf Of Eduardo Duarte Sent: Sunday, 5 March 2017 10:21 pm To: ripe-atlas@ripe.net Subject: [atlas] Probe Fulfilment Hi, I have craeted several measurements and the I always have a lower "Probe Fulfilment" rate. What does this mean? Thank you, Eduardo Sent via RIPE Forum -- https://www.ripe.net/participate/mail/forum