We are facing to a delivery slow-down on FailOver IP and RIPE blocks.
A few hours to a few days can be necessary to deliver the IP depending on the number you ordered.
Update(s):
Date: 2017-05-17 12:34:27 UTC no more trouble
Date: 2017-05-10 12:49:57 UTC The RIPE blocks are now available, we are facing a delay of several days for the creation and updating of whois.
The transfer is in progress.