IPv4 market trends

Prices from IPv4.Global prior sales, last fetched 12 Oct 2026, 00:15 UTC.

Block size
Registry

Black Duck Software, Inc.

US. Active in the transfer logs from 4 Dec 2024 to 4 Dec 2024 in this period.

2Kaddresses bought in 1 transfer
0addresses sold in 0 transfers
+2Knet change in address space

4 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
19 May 2026 162.244.4.0 – 162.244.5.255 /23 512 Bought Synopsys Inc. (US) ARIN Merger or acquisition
19 May 2026 162.223.124.0 – 162.223.124.255 /24 256 Bought Synopsys Inc. (US) ARIN Merger or acquisition
19 May 2026 192.231.134.0 – 192.231.134.255 /24 256 Bought Synopsys Inc. (US) ARIN Merger or acquisition
4 Dec 2024 209.51.32.0 – 209.51.39.255 /21 2K Bought Intis Telecom Inc. (US) ARIN Market transfer