The Mastermind Holding B.V.
NL. Active in the transfer logs from 20 Dec 2022 to 24 Jun 2026 in this period.
1.5Kaddresses bought in 3 transfers
1Kaddresses sold in 4 transfers
+512net change in address space
7 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 |
| 18 Jun 2024 | 188.64.138.0 – 188.64.138.255 | /24 | 256 | Bought | Rick Bakker trading as Bakker IT | RIPE | Market transfer |
| 31 Oct 2023 | 185.190.26.0 – 185.190.26.255 | /24 | 256 | Sold | Ruben Vandepitte | RIPE | Market transfer |
| 15 Feb 2023 | 185.235.144.0 – 185.235.144.255 | /24 | 256 | Bought | Rick Bakker trading as Bakker IT | RIPE | Market transfer |
| 20 Dec 2022 | 45.146.4.0 – 45.146.7.255 | /22 | 1K | Bought | Rick Bakker trading as Bakker IT | RIPE | Market transfer |