IPv4 market trends

Prices from IPv4.Global prior sales, last fetched 12 Oct 2026, 06:16 UTC.

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Lukasz Kalwinek trading as KALWINEK.NET

Active in the transfer logs from 1 Jul 2022 to 8 Nov 2023 in this period.

768addresses bought in 3 transfers
0addresses sold in 0 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.

DateRangeBlockAddressesSideCounterpartyRegistriesKind
8 Nov 2023 204.144.178.0 – 204.144.178.255 /24 256 Bought Earthnet, Inc. (US) ARIN → RIPE Market transfer
6 Jun 2023 88.135.187.0 – 88.135.187.255 /24 256 Bought KOLNET Sp. z o.o. RIPE Market transfer
1 Jul 2022 88.135.187.0 – 88.135.187.255 /24 256 Bought KOLNET Sp. z o.o. RIPE Market transfer