IPv4 market trends

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

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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 Sep 2022 32.184.0.0 – 32.191.255.255 /13 524.3K Sold Amazon.com, Inc. (US) ARIN Market transfer
9 Sep 2022 204.146.0.0 – 204.146.255.255 /16 65.5K Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 198.133.16.0 – 198.133.31.255 /20 4.1K Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 166.72.0.0 – 166.72.255.255 /16 65.5K Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 205.233.24.0 – 205.233.31.255 /21 2K Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 199.4.212.0 – 199.4.213.255 /23 512 Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 200.0.216.0 – 200.0.223.255 /21 2K Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 192.231.11.0 – 192.231.11.255 /24 256 Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 192.231.9.0 – 192.231.9.255 /24 256 Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 129.37.0.0 – 129.37.255.255 /16 65.5K Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 206.183.32.0 – 206.183.63.255 /19 8.2K Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 32.224.0.0 – 32.255.255.255 /11 2.1M Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 165.172.0.0 – 165.172.255.255 /16 65.5K Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 32.128.0.0 – 32.191.255.255 /10 4.2M Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 32.192.0.0 – 32.207.255.255 /12 1M Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 205.233.22.0 – 205.233.23.255 /23 512 Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 199.4.211.0 – 199.4.211.255 /24 256 Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 207.39.0.0 – 207.39.255.255 /16 65.5K Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 152.158.0.0 – 152.158.255.255 /16 65.5K Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 198.151.240.0 – 198.151.243.255 /22 1K Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 129.36.0.0 – 129.36.255.255 /16 65.5K Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 165.87.0.0 – 165.87.255.255 /16 65.5K Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 206.251.32.0 – 206.251.35.255 /22 1K Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 206.199.0.0 – 206.199.255.255 /16 65.5K Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 164.120.0.0 – 164.120.255.255 /16 65.5K Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 32.0.0.0 – 32.127.255.255 /9 8.4M Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 204.187.94.0 – 204.187.94.255 /24 256 Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
9 Sep 2022 198.151.244.0 – 198.151.244.255 /24 256 Bought AT&T Global Network Services, LLC (US) ARIN Merger or acquisition
11 Dec 2019 70.152.0.0 – 70.153.255.255 /15 131.1K Sold Microsoft Corporation (US) ARIN Market transfer
11 Dec 2019 74.234.0.0 – 74.235.255.255 /15 131.1K Sold Microsoft Corporation (US) ARIN Market transfer
11 Dec 2019 68.220.0.0 – 68.221.255.255 /15 131.1K Sold Microsoft Corporation (US) ARIN Market transfer
11 Dec 2019 68.218.0.0 – 68.219.255.255 /15 131.1K Sold Microsoft Corporation (US) ARIN Market transfer
11 Dec 2019 74.248.0.0 – 74.249.255.255 /15 131.1K Sold Microsoft Corporation (US) ARIN Market transfer
11 Dec 2019 74.240.0.0 – 74.243.255.255 /14 262.1K Sold Microsoft Corporation (US) ARIN Market transfer
11 Dec 2019 98.70.0.0 – 98.71.255.255 /15 131.1K Sold Microsoft Corporation (US) ARIN Market transfer
11 Dec 2019 70.156.0.0 – 70.157.255.255 /15 131.1K Sold Microsoft Corporation (US) ARIN Market transfer
11 Dec 2019 108.140.0.0 – 108.143.255.255 /14 262.1K Sold Microsoft Corporation (US) ARIN Market transfer
11 Dec 2019 68.154.0.0 – 68.155.255.255 /15 131.1K Sold Microsoft Corporation (US) ARIN Market transfer
11 Dec 2019 98.64.0.0 – 98.67.255.255 /14 262.1K Sold Microsoft Corporation (US) ARIN Market transfer
11 Dec 2019 72.144.0.0 – 72.147.255.255 /14 262.1K Sold Microsoft Corporation (US) ARIN Market transfer
11 Dec 2019 74.224.0.0 – 74.227.255.255 /14 262.1K Sold Microsoft Corporation (US) ARIN Market transfer
11 Dec 2019 74.176.0.0 – 74.179.255.255 /14 262.1K Sold Microsoft Corporation (US) ARIN Market transfer
11 Dec 2019 68.210.0.0 – 68.211.255.255 /15 131.1K Sold Microsoft Corporation (US) ARIN Market transfer
11 Dec 2019 74.160.0.0 – 74.163.255.255 /14 262.1K Sold Microsoft Corporation (US) ARIN Market transfer
11 Dec 2019 72.152.0.0 – 72.155.255.255 /14 262.1K Sold Microsoft Corporation (US) ARIN Market transfer
11 Dec 2019 68.18.0.0 – 68.19.255.255 /15 131.1K Sold Microsoft Corporation (US) ARIN Market transfer
6 Dec 2018 209.149.0.0 – 209.149.255.255 /16 65.5K Bought BellSouth.net Inc. (US) ARIN Merger or acquisition
6 Dec 2018 205.152.0.0 – 205.152.255.255 /16 65.5K Bought BellSouth.net Inc. (US) ARIN Merger or acquisition
6 Dec 2018 192.223.16.0 – 192.223.23.255 /21 2K Bought BellSouth Advanced Networks (US) ARIN Merger or acquisition
6 Dec 2018 207.203.0.0 – 207.203.255.255 /16 65.5K Bought BellSouth.net Inc. (US) ARIN Merger or acquisition