IPv4 market trends

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

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Microsoft Limited

US. Active in the transfer logs from 22 Jun 2011 to 29 Dec 2025 in this period. Published as Microsoft Corp; Microsoft Corporation; Microsoft Limited.

74Maddresses bought in 348 transfers
131.1Kaddresses sold in 1 transfer
+73.9Mnet change in address space

369 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
5 Jul 2023 167.231.0.0 – 167.231.255.255 /16 65.5K Bought ALSTOM Transport USA Inc. (US) ARIN → RIPE Market transfer
5 Jul 2023 72.16.128.0 – 72.16.255.255 /17 32.8K Bought Fusion Communications, LLC (US) ARIN → RIPE Market transfer
28 Jun 2023 173.200.0.0 – 173.200.255.255 /16 65.5K Bought Fusion Communications, LLC (US) ARIN → RIPE Market transfer
5 Jun 2023 135.4.0.0 – 135.4.255.255 /16 65.5K Bought Nokia of America Corporation (US) ARIN → RIPE Market transfer
5 Jun 2023 135.230.0.0 – 135.230.255.255 /16 65.5K Bought Nokia of America Corporation (US) ARIN → RIPE Market transfer
5 Jun 2023 135.116.0.0 – 135.116.255.255 /16 65.5K Bought Nokia of America Corporation (US) ARIN → RIPE Market transfer
5 Jun 2023 135.232.0.0 – 135.235.255.255 /14 262.1K Bought Nokia of America Corporation (US) ARIN → RIPE Market transfer
5 Jun 2023 135.224.0.0 – 135.225.255.255 /15 131.1K Bought Nokia of America Corporation (US) ARIN → RIPE Market transfer
5 Jun 2023 135.236.0.0 – 135.237.255.255 /15 131.1K Bought Nokia of America Corporation (US) ARIN → RIPE Market transfer
5 Jun 2023 135.229.0.0 – 135.229.255.255 /16 65.5K Bought Nokia of America Corporation (US) ARIN → RIPE Market transfer
5 Jun 2023 135.226.0.0 – 135.226.255.255 /16 65.5K Bought Nokia of America Corporation (US) ARIN → RIPE Market transfer
22 May 2023 109.246.0.0 – 109.246.255.255 /16 65.5K Bought WIFINITY LIMITED RIPE Market transfer
9 May 2023 149.1.0.0 – 149.1.255.255 /16 65.5K Bought Schoffstall Associates, Inc (US) ARIN Market transfer
9 May 2023 150.212.0.0 – 150.212.255.255 /16 65.5K Bought University of Pittsburgh (US) ARIN Market transfer
25 Apr 2023 143.226.0.0 – 143.226.255.255 /16 65.5K Bought Augustana College (US) ARIN → RIPE Market transfer
18 Apr 2023 194.238.128.0 – 194.238.255.255 /17 32.8K Bought RM Education Ltd RIPE Market transfer
18 Apr 2023 212.173.0.0 – 212.173.127.255 /17 32.8K Bought RM Education Ltd RIPE Market transfer
18 Apr 2023 217.176.0.0 – 217.176.255.255 /16 65.5K Bought RM Education Ltd RIPE Market transfer
18 Apr 2023 217.177.96.0 – 217.177.127.255 /19 8.2K Bought RM Education Ltd RIPE Market transfer
18 Apr 2023 212.207.0.0 – 212.207.255.255 /16 65.5K Bought RM Education Ltd RIPE Market transfer
18 Apr 2023 212.132.0.0 – 212.132.31.255 /19 8.2K Bought RM Education Ltd RIPE Market transfer
12 Apr 2023 151.129.0.0 – 151.129.255.255 /16 65.5K Bought Office of the KENT Police and Crime RIPE Market transfer
4 Apr 2023 82.87.128.0 – 82.87.255.255 /17 32.8K Bought Telecom Castilla La Mancha SA RIPE Market transfer
20 Mar 2023 128.85.0.0 – 128.85.255.255 /16 65.5K Bought Baker Hughes Holdings LLC (US) ARIN → RIPE Market transfer
20 Mar 2023 149.198.0.0 – 149.198.255.255 /16 65.5K Bought Nokia of America Corporation (US) ARIN → RIPE Market transfer
20 Mar 2023 135.18.0.0 – 135.18.255.255 /16 65.5K Bought Nokia of America Corporation (US) ARIN → RIPE Market transfer
20 Mar 2023 135.6.0.0 – 135.6.255.255 /16 65.5K Bought Nokia of America Corporation (US) ARIN → RIPE Market transfer
2 Mar 2023 82.87.0.0 – 82.87.127.255 /17 32.8K Bought Telecom Castilla La Mancha SA RIPE Market transfer
24 Feb 2023 85.210.0.0 – 85.211.255.255 /15 131.1K Bought TalkTalk Communications Limited RIPE Market transfer
23 Feb 2023 152.138.0.0 – 152.138.255.255 /16 65.5K Bought A.M. Best Company (US) ARIN → RIPE Market transfer
20 Feb 2023 85.212.0.0 – 85.212.255.255 /16 65.5K Bought ecotel communication ag RIPE Market transfer
20 Feb 2023 213.54.0.0 – 213.54.255.255 /16 65.5K Bought ecotel communication ag RIPE Market transfer
19 Dec 2022 167.186.0.0 – 167.186.255.255 /16 65.5K Bought Textron Aviation Inc. (US) ARIN → RIPE Market transfer
2 Nov 2022 172.128.0.0 – 172.159.255.255 /11 2.1M Bought Oath Holdings Inc. (US) ARIN → RIPE Market transfer
19 Sep 2022 157.95.0.0 – 157.95.255.255 /16 65.5K Bought Infineon technologies Americas Corp (US) ARIN → RIPE Market transfer
5 Sep 2022 167.162.0.0 – 167.162.255.255 /16 65.5K Bought Not named APNIC → RIPE Market transfer
1 Sep 2022 151.206.0.0 – 151.206.255.255 /16 65.5K Bought AECOM (US) ARIN → RIPE Market transfer
4 Aug 2022 209.199.0.0 – 209.199.255.255 /16 65.5K Bought Sprint (US) ARIN → RIPE Market transfer
4 Aug 2022 40.171.0.0 – 40.171.255.255 /16 65.5K Bought Eli Lilly and Company (US) ARIN → RIPE Market transfer
4 Aug 2022 40.169.0.0 – 40.169.255.255 /16 65.5K Bought Eli Lilly and Company (US) ARIN → RIPE Market transfer
4 Aug 2022 40.170.0.0 – 40.170.255.255 /16 65.5K Bought Eli Lilly and Company (US) ARIN → RIPE Market transfer
5 Jul 2022 135.130.0.0 – 135.130.255.255 /16 65.5K Bought NCR Corporation (US) ARIN → RIPE Market transfer
5 Jul 2022 132.164.0.0 – 132.164.255.255 /16 65.5K Bought L3Harris Technologies, Inc. (US) ARIN → RIPE Market transfer
30 Jun 2022 138.105.0.0 – 138.105.255.255 /16 65.5K Bought Olin Corporation (US) ARIN → RIPE Market transfer
22 Jun 2022 172.160.0.0 – 172.191.255.255 /11 2.1M Bought Oath Holdings Inc. (US) ARIN → RIPE Market transfer
22 Jun 2022 172.208.0.0 – 172.215.255.255 /13 524.3K Bought Oath Holdings Inc. (US) ARIN → RIPE Market transfer
22 Jun 2022 172.200.0.0 – 172.207.255.255 /13 524.3K Bought Oath Holdings Inc. (US) ARIN → RIPE Market transfer
21 Jun 2022 157.31.0.0 – 157.31.255.255 /16 65.5K Bought Freeport-McMoRan Inc. (US) ARIN → RIPE Market transfer
14 Jun 2022 159.128.0.0 – 159.128.255.255 /16 65.5K Bought G3 Canada Limited (CA) ARIN → RIPE Market transfer
6 Apr 2021 4.240.0.0 – 4.255.255.255 /12 1M Bought Level 3 Parent, LLC (US) ARIN Market transfer