IPv4 market trends

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

Block size
Registry
Reset

Ralph Karseboom

Active in the transfer logs from 6 Apr 2018 to 20 Dec 2024 in this period.

0addresses bought in 0 transfers
7.4Kaddresses sold in 9 transfers
−7.4Knet change in address space

9 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
20 Dec 2024 193.3.189.0 – 193.3.189.255 /24 256 Sold HostSlim B.V. RIPE Market transfer
2 Nov 2021 193.57.88.0 – 193.57.89.255 /23 512 Sold G-Core Labs S.A. RIPE Market transfer
22 Oct 2021 193.57.94.0 – 193.57.95.255 /23 512 Sold TNGNET B.V. RIPE Market transfer
10 Mar 2021 185.36.112.0 – 185.36.115.255 /22 1K Sold Alexander Siebnich RIPE Market transfer
24 Dec 2020 212.103.52.0 – 212.103.55.255 /22 1K Sold Alexander Siebnich RIPE Market transfer
16 Apr 2020 185.255.24.0 – 185.255.27.255 /22 1K Sold Adjust GmbH RIPE Market transfer
11 Dec 2018 185.180.152.0 – 185.180.155.255 /22 1K Sold Vem Solutions, LLC RIPE Market transfer
31 Oct 2018 185.171.208.0 – 185.171.211.255 /22 1K Sold AC Skyways (US) RIPE → ARIN Market transfer
6 Apr 2018 185.142.32.0 – 185.142.35.255 /22 1K Sold Innovation IT Solutions LTD RIPE Market transfer