IPv4 market trends

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

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Cisco Systems, Inc.

US. Active in the transfer logs from 20 Apr 2020 to 7 Oct 2026 in this period. Published as CISCO SYSTEMS, INC.; Cisco Systems Inc; Cisco Systems, Inc..

327.4Kaddresses bought in 14 transfers
0addresses sold in 0 transfers
+327.4Knet change in address space

62 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
29 Apr 2021 75.119.188.0 – 75.119.189.255 /23 512 Bought BroadbandONE, LLC (US) ARIN Market transfer
29 Jan 2021 74.117.120.0 – 74.117.127.255 /21 2K Bought Weyerhaeuser Company (US) ARIN Market transfer
13 Oct 2020 216.9.168.0 – 216.9.175.255 /21 2K Bought R. Fritz Enterprises Inc. (US) ARIN Market transfer
20 Apr 2020 170.76.240.0 – 170.76.240.255 /24 256 Bought Ashton Systems Corporation (US) ARIN Market transfer
20 Apr 2020 104.156.40.0 – 104.156.47.255 /21 2K Bought PRETECS NETWORKS INC. (CA) ARIN Market transfer
12 Dec 2017 192.133.224.0 – 192.133.239.255 /20 4.1K Bought Scientific Atlanta (US) ARIN Merger or acquisition
12 Dec 2017 192.133.144.0 – 192.133.159.255 /20 4.1K Bought Scientific Atlanta (US) ARIN Merger or acquisition
12 Dec 2017 192.133.160.0 – 192.133.191.255 /19 8.2K Bought Scientific Atlanta (US) ARIN Merger or acquisition
12 Dec 2017 192.133.240.0 – 192.133.243.255 /22 1K Bought Scientific Atlanta (US) ARIN Merger or acquisition
12 Dec 2017 192.133.192.0 – 192.133.223.255 /19 8.2K Bought Scientific Atlanta (US) ARIN Merger or acquisition
25 Oct 2016 209.182.176.0 – 209.182.191.255 /20 4.1K Bought Lancope (US) ARIN Merger or acquisition
1 Jul 2015 198.148.78.0 – 198.148.79.255 /23 512 Bought Sourcefire Labs (US) ARIN Merger or acquisition