IPv4 market trends

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

Block size
Registry

Concentra Health Services, Inc.

US. Active in the transfer logs from 28 Jul 2026 to 28 Jul 2026 in this period.

256addresses bought in 1 transfer
0addresses sold in 0 transfers
+256net change in address space

2 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
28 Jul 2026 209.162.221.0 – 209.162.221.255 /24 256 Bought Digital Fortress (US) ARIN Market transfer
29 May 2026 67.158.51.0 – 67.158.51.255 /24 256 Bought Select Medical Corporation (US) ARIN Merger or acquisition