IPv4 market trends

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

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National Science Center Foundation, Inc.

US. Active in the transfer logs from 5 Nov 2019 to 15 Jan 2021 in this period.

0addresses bought in 0 transfers
81.4Kaddresses sold in 28 transfers
−81.4Knet change in address space

28 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
15 Jan 2021 192.190.148.0 – 192.190.151.255 /22 1K Sold PALANTIR TECHNOLOGIES INC. (US) ARIN Market transfer
5 Jan 2021 192.190.144.0 – 192.190.147.255 /22 1K Sold BUNNY TECHNOLOGY LLC (US) ARIN Market transfer
23 Dec 2020 192.190.136.0 – 192.190.143.255 /21 2K Sold Missouri Network Alliance, LLC (US) ARIN Market transfer
9 Nov 2020 192.188.42.0 – 192.188.42.255 /24 256 Sold Irontrust Networks (US) ARIN Market transfer
9 Nov 2020 192.103.126.0 – 192.103.126.255 /24 256 Sold Irontrust Networks (US) ARIN Market transfer
11 Aug 2020 192.111.96.0 – 192.111.99.255 /22 1K Sold CARFAX, Inc. (US) ARIN Market transfer
10 Jul 2020 192.190.160.0 – 192.190.167.255 /21 2K Sold Trumansburg Telephone Company, Inc. (US) ARIN Market transfer
9 Jun 2020 192.111.92.0 – 192.111.95.255 /22 1K Sold Todyl, Inc. (US) ARIN Market transfer
5 Jun 2020 192.103.117.0 – 192.103.117.255 /24 256 Sold Nutrien (CA) ARIN Market transfer
1 Jun 2020 192.190.153.0 – 192.190.153.255 /24 256 Sold HCL Software (US) ARIN Market transfer
1 Jun 2020 192.190.152.0 – 192.190.152.255 /24 256 Sold HCL Software (US) ARIN Market transfer
18 May 2020 192.103.120.0 – 192.103.123.255 /22 1K Sold Docusign, Inc (US) ARIN Market transfer
11 May 2020 157.90.0.0 – 157.90.255.255 /16 65.5K Sold Hetzner Online GmbH ARIN → RIPE Market transfer
28 Apr 2020 192.190.135.0 – 192.190.135.255 /24 256 Sold SkillSoft Corporation (US) ARIN Market transfer
28 Apr 2020 192.190.134.0 – 192.190.134.255 /24 256 Sold SkillSoft Corporation (US) ARIN Market transfer
27 Apr 2020 192.190.172.0 – 192.190.172.255 /24 256 Sold NCH Healthcare System, Inc. (US) ARIN Market transfer
1 Apr 2020 192.190.168.0 – 192.190.171.255 /22 1K Sold GIBFIBRE LTD ARIN → RIPE Market transfer
18 Mar 2020 192.190.133.0 – 192.190.133.255 /24 256 Sold Northeast Alabama Regional Medical Center (US) ARIN Market transfer
26 Feb 2020 192.103.124.0 – 192.103.125.255 /23 512 Sold Intouch Group, LLC (US) ARIN Market transfer
31 Jan 2020 192.103.118.0 – 192.103.119.255 /23 512 Sold Nutrien (CA) ARIN Market transfer
27 Jan 2020 192.48.117.0 – 192.48.117.255 /24 256 Sold Puyallup Tribe of Indians (US) ARIN Market transfer
17 Jan 2020 192.111.90.0 – 192.111.91.255 /23 512 Sold Computer Talk (CA) ARIN Market transfer
5 Nov 2019 192.190.157.0 – 192.190.157.255 /24 256 Sold Brantley Telephone Company, Inc. (US) ARIN Market transfer
5 Nov 2019 192.190.158.0 – 192.190.158.255 /24 256 Sold Brantley Telephone Company, Inc. (US) ARIN Market transfer
5 Nov 2019 192.190.154.0 – 192.190.154.255 /24 256 Sold Brantley Telephone Company, Inc. (US) ARIN Market transfer
5 Nov 2019 192.190.159.0 – 192.190.159.255 /24 256 Sold Brantley Telephone Company, Inc. (US) ARIN Market transfer
5 Nov 2019 192.190.156.0 – 192.190.156.255 /24 256 Sold Brantley Telephone Company, Inc. (US) ARIN Market transfer
5 Nov 2019 192.190.155.0 – 192.190.155.255 /24 256 Sold Brantley Telephone Company, Inc. (US) ARIN Market transfer