The Mastermind Holding B.V.
NL. Active in the transfer logs from 25 Mar 2026 to 24 Jun 2026 in this period.
0addresses bought in 0 transfers
768addresses sold in 3 transfers
−768net change in address space
3 transfers
Every range this organisation was on either side of, newest first, including mergers and acquisitions. Addresses are the size of the range; a block is shown when the range is one CIDR prefix.
| Date | Range | Block | Addresses | Side | Counterparty | Registries | Kind |
|---|---|---|---|---|---|---|---|
| 24 Jun 2026 | 45.146.6.0 – 45.146.6.255 | /24 | 256 | Sold | ByteFly Kft (HU) | RIPE | Market transfer |
| 1 May 2026 | 45.146.5.0 – 45.146.5.255 | /24 | 256 | Sold | REVOLUTION PROVIDER SRL (IT) | RIPE | Market transfer |
| 25 Mar 2026 | 45.146.4.0 – 45.146.4.255 | /24 | 256 | Sold | ClearStack B.V. (NL) | RIPE | Market transfer |