https://www.ripe.net/manage-ips-and-asns/ipv4/how-waiting-list-works/
How Does The IPv4 Waiting List Work? — RIPE Network Coordination Centre
If you are a member of the RIPE NCC, you may be able to request a single /24 allocation from any IPv4 addresses that we recover in the future.
ipv4 waiting listworkripecoordinationcentre
https://www.ripe.net/manage-ips-and-asns/ipv4/ipv4-waiting-list/
IPv4 Waiting List — RIPE Network Coordination Centre
ipv4 waiting listripenetworkcoordinationcentre