IPv4 market trends

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

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NEUSTAR, INC

US. Active in the transfer logs from 19 Nov 2015 to 8 Dec 2021 in this period. Published as NEUSTAR, INC; NeuStar, Inc..

4.6Kaddresses bought in 3 transfers
3.6Kaddresses sold in 3 transfers
+1Knet change in address space

149 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
10 Jul 2026 156.154.186.0 – 156.154.186.255 /24 256 Sold Trans Union, LLC (US) ARIN Merger or acquisition
10 Jul 2026 156.154.43.0 – 156.154.43.255 /24 256 Sold Trans Union, LLC (US) ARIN Merger or acquisition
10 Jul 2026 156.154.28.0 – 156.154.28.255 /24 256 Sold Trans Union, LLC (US) ARIN Merger or acquisition
13 Dec 2022 156.154.184.0 – 156.154.184.255 /24 256 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 199.7.64.0 – 199.7.64.255 /24 256 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.58.0 – 156.154.58.255 /24 256 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 64.6.64.0 – 64.6.65.255 /23 512 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.64.0 – 156.154.79.255 /20 4.1K Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 199.7.86.0 – 199.7.86.255 /24 256 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.60.0 – 156.154.63.255 /22 1K Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.190.0 – 156.154.191.255 /23 512 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.80.0 – 156.154.80.255 /24 256 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.96.0 – 156.154.111.255 /20 4.1K Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 199.7.92.0 – 199.7.92.255 /24 256 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.132.0 – 156.154.133.255 /23 512 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.54.0 – 156.154.55.255 /23 512 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.140.0 – 156.154.143.255 /22 1K Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.84.0 – 156.154.87.255 /22 1K Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.94.0 – 156.154.95.255 /23 512 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.128.0 – 156.154.131.255 /22 1K Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.120.0 – 156.154.127.255 /21 2K Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.146.0 – 156.154.146.255 /24 256 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.112.0 – 156.154.113.255 /23 512 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.40.0 – 156.154.41.255 /23 512 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.160.0 – 156.154.175.255 /20 4.1K Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 199.7.77.0 – 199.7.77.255 /24 256 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.150.0 – 156.154.151.255 /23 512 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.36.0 – 156.154.39.255 /22 1K Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.176.0 – 156.154.183.255 /21 2K Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.118.0 – 156.154.119.255 /23 512 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.135.0 – 156.154.135.255 /24 256 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.152.0 – 156.154.159.255 /21 2K Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.204.0 – 156.154.207.255 /22 1K Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.144.0 – 156.154.145.255 /23 512 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 209.173.58.0 – 209.173.58.255 /24 256 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.92.0 – 156.154.92.255 /24 256 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.34.0 – 156.154.35.255 /23 512 Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.208.0 – 156.154.223.255 /20 4.1K Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 74.115.24.0 – 74.115.31.255 /21 2K Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.224.0 – 156.154.255.255 /19 8.2K Sold Neustar Security Services (US) ARIN Merger or acquisition
13 Dec 2022 156.154.53.0 – 156.154.53.255 /24 256 Sold Neustar Security Services (US) ARIN Merger or acquisition
8 Dec 2021 37.209.192.0 – 37.209.199.255 /21 2K Sold Registry Services LLC RIPE Market transfer
8 Dec 2021 185.135.152.0 – 185.135.155.255 /22 1K Sold Registry Services LLC RIPE Market transfer
8 Dec 2021 91.237.174.0 – 91.237.175.255 /23 512 Sold Registry Services LLC RIPE Market transfer
16 Nov 2020 64.6.64.0 – 64.6.64.255 /24 256 Bought VeriSign Global Registry Services (US) ARIN Merger or acquisition
16 Nov 2020 64.6.65.0 – 64.6.65.255 /24 256 Bought VeriSign Global Registry Services (US) ARIN Merger or acquisition
29 May 2019 74.115.24.0 – 74.115.31.255 /21 2K Bought LyonLabs, LLC (US) ARIN Market transfer
19 Nov 2015 37.209.192.0 – 37.209.199.255 /21 2K Bought ARI Registry Services Limited RIPE Market transfer
19 Nov 2015 91.237.174.0 – 91.237.175.255 /23 512 Bought ARI Registry Services Limited RIPE Market transfer