IPv4 market trends

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

Block size
Registry

Core Technology Services, Inc.

US. Active in the transfer logs from 15 Jan 2025 to 26 Aug 2025 in this period.

0addresses bought in 0 transfers
5.1Kaddresses sold in 4 transfers
−5.1Knet 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
26 Aug 2025 96.45.72.0 – 96.45.79.255 /21 2K Sold Humboldt Utilities Broadband (US) ARIN Market transfer
5 May 2025 66.199.236.0 – 66.199.239.255 /22 1K Sold Milan Public Utilities Authority (US) ARIN Market transfer
5 May 2025 96.45.64.0 – 96.45.67.255 /22 1K Sold Milan Public Utilities Authority (US) ARIN Market transfer
15 Jan 2025 64.29.184.0 – 64.29.187.255 /22 1K Sold Estherville Communications LLC (US) ARIN Market transfer