After the payment is secured by escrow.com and an IPv4 transfer ticket is submitted, the IPv4 transfer can take from 2 days (small subnet, everything is paid, subnet is not announced, the IPv4 transfer is made within one RIR) up to several weeks (Large subnets equal or larger than /16 / additional documents were requested by RIR – a transfer within one RIR) or several months (Inter-RIR transfers. As example, LACNIC-RIPE IPv4 network transfer can take 4-6 months).