IPv4 market trends

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

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SirsiDynix

US. Active in the transfer logs from 9 May 2017 to 18 Sep 2026 in this period.

0addresses bought in 0 transfers
98.6Kaddresses sold in 6 transfers
−98.6Knet change in address space

12 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
18 Sep 2026 206.187.192.0 – 206.187.223.255 /19 8.2K Sold Skyvoro Inc (US) ARIN Market transfer
5 Aug 2026 198.22.43.0 – 198.22.43.255 /24 256 Sold ImprovMX Incorporated (US) ARIN Market transfer
14 Jul 2026 206.15.48.0 – 206.15.63.255 /20 4.1K Sold Contrust Solutions S.R.L. (MD) ARIN → RIPE Market transfer
24 Mar 2026 206.15.32.0 – 206.15.47.255 /20 4.1K Sold Mainstream doo Beograd (RS) ARIN → RIPE Market transfer
21 Jan 2026 206.203.0.0 – 206.203.63.255 /18 16.4K Sold Valor Information Technologies, S.L. (ES) ARIN → RIPE Market transfer
8 Nov 2023 206.187.0.0 – 206.187.255.255 /16 65.5K Bought Data Research Associates, Inc. (US) ARIN Merger or acquisition
8 Nov 2023 206.203.0.0 – 206.203.63.255 /18 16.4K Bought Data Research Associates, Inc. (US) ARIN Merger or acquisition
8 Nov 2023 198.22.43.0 – 198.22.43.255 /24 256 Bought Data Research Associates, Inc. (US) ARIN Merger or acquisition
8 Nov 2023 192.65.218.0 – 192.65.218.255 /24 256 Bought Data Research Associates, Inc. (US) ARIN Merger or acquisition
8 Nov 2023 206.15.32.0 – 206.15.63.255 /19 8.2K Bought Data Research Associates, Inc. (US) ARIN Merger or acquisition
9 May 2017 150.147.0.0 – 150.147.255.255 /16 65.5K Sold Japan Network Information Center/so-net (JP) ARIN → APNIC Market transfer
31 Jan 2017 150.147.0.0 – 150.147.255.255 /16 65.5K Bought Data Research Associates, Inc. (US) ARIN Merger or acquisition