In fact IPv4 transfers are very common in RIPE servin region, there is official pace https://www.ripe.net/manage-ips-and-asns/resource-transfers-and-mergers/ip

In fact IPv4 transfers are very common in RIPE servin region, there is official pace https://www.ripe.net/manage-ips-and-asns/resource-transfers-and-mergers/ipv4-transfers/table-of-transfers https://www.ripe.net/manage-ips-and-asns/resource-transfers-... So companies are buying IPv4 space