IPv4 market trends

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

Block size
Registry

cerfnet

No market transfers for this organisation match the filters. Show all time.

15 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 Mar 2025 192.215.0.0 – 192.215.255.255 /16 65.5K Sold AT&T Enterprises, LLC (US) ARIN Merger or acquisition
19 Mar 2025 192.102.249.0 – 192.102.249.255 /24 256 Sold AT&T Enterprises, LLC (US) ARIN Merger or acquisition
19 Mar 2025 134.24.0.0 – 134.24.255.255 /16 65.5K Sold AT&T Enterprises, LLC (US) ARIN Merger or acquisition
19 Mar 2025 198.137.140.0 – 198.137.140.255 /24 256 Sold AT&T Enterprises, LLC (US) ARIN Merger or acquisition
19 Mar 2025 199.108.0.0 – 199.108.255.255 /16 65.5K Sold AT&T Enterprises, LLC (US) ARIN Merger or acquisition
19 Mar 2025 206.16.0.0 – 206.19.255.255 /14 262.1K Sold AT&T Enterprises, LLC (US) ARIN Merger or acquisition
19 Mar 2025 63.242.0.0 – 63.242.255.255 /16 65.5K Sold AT&T Enterprises, LLC (US) ARIN Merger or acquisition
19 Mar 2025 63.240.0.0 – 63.241.255.255 /15 131.1K Sold AT&T Enterprises, LLC (US) ARIN Merger or acquisition
19 Mar 2025 216.148.0.0 – 216.148.255.255 /16 65.5K Sold AT&T Enterprises, LLC (US) ARIN Merger or acquisition
19 Mar 2025 199.105.0.0 – 199.105.255.255 /16 65.5K Sold AT&T Enterprises, LLC (US) ARIN Merger or acquisition
19 Mar 2025 209.186.0.0 – 209.187.255.255 /15 131.1K Sold AT&T Enterprises, LLC (US) ARIN Merger or acquisition
19 Mar 2025 192.153.156.0 – 192.153.156.255 /24 256 Sold AT&T Enterprises, LLC (US) ARIN Merger or acquisition
19 Mar 2025 207.252.0.0 – 207.252.255.255 /16 65.5K Sold AT&T Enterprises, LLC (US) ARIN Merger or acquisition
19 Mar 2025 149.17.0.0 – 149.17.255.255 /16 65.5K Sold AT&T Enterprises, LLC (US) ARIN Merger or acquisition
19 Mar 2025 199.106.0.0 – 199.107.255.255 /15 131.1K Sold AT&T Enterprises, LLC (US) ARIN Merger or acquisition