IPv4 market trends

Prices from IPv4.Global prior sales, last fetched 12 Oct 2026, 18:16 UTC.

Block size
Registry
Reset

AT&T Corp.

US. Active in the transfer logs from 18 Sep 2018 to 25 Sep 2023 in this period.

0addresses bought in 0 transfers
11.9Maddresses sold in 50 transfers
−11.9Mnet change in address space

724 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 Jul 2018 68.76.0.0 – 68.77.255.255 /15 131.1K Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 67.36.0.0 – 67.39.255.255 /14 262.1K Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 66.159.128.0 – 66.159.191.255 /18 16.4K Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 68.79.128.0 – 68.79.255.255 /17 32.8K Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 66.136.0.0 – 66.143.255.255 /13 524.3K Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 66.161.0.0 – 66.161.127.255 /17 32.8K Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 68.72.0.0 – 68.75.255.255 /14 262.1K Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 64.160.0.0 – 64.175.255.255 /12 1M Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 64.252.0.0 – 64.252.63.255 /18 16.4K Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 64.148.0.0 – 64.149.255.255 /15 131.1K Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 66.10.0.0 – 66.10.255.255 /16 65.5K Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 104.176.0.0 – 104.191.255.255 /12 1M Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 64.216.0.0 – 64.219.255.255 /14 262.1K Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 66.72.0.0 – 66.73.255.255 /15 131.1K Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 64.252.192.0 – 64.252.255.255 /18 16.4K Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 65.64.0.0 – 65.71.255.255 /13 524.3K Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 65.42.0.0 – 65.43.255.255 /15 131.1K Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 64.108.0.0 – 64.109.255.255 /15 131.1K Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 45.16.0.0 – 45.31.255.255 /12 1M Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 23.112.0.0 – 23.127.255.255 /12 1M Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 104.0.0.0 – 104.15.255.255 /12 1M Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 64.143.0.0 – 64.143.255.255 /16 65.5K Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 64.123.0.0 – 64.123.255.255 /16 65.5K Bought AT&T Internet Services (US) ARIN Merger or acquisition
19 Jul 2018 63.192.0.0 – 63.207.255.255 /12 1M Bought AT&T Internet Services (US) ARIN Merger or acquisition