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.
| Date | Range | Block | Addresses | Side | Counterparty | Registries | Kind |
|---|---|---|---|---|---|---|---|
| 7 Oct 2026 | 185.60.84.0 – 185.60.87.255 | /22 | 1K | Bought | Cisco OpenDNS LLC (US) | RIPE | Market transfer |
| 10 Sep 2026 | 46.255.40.0 – 46.255.47.255 | /21 | 2K | Bought | Cisco OpenDNS LLC (US) | RIPE | Market transfer |
| 8 Sep 2026 | 192.150.160.0 – 192.150.160.255 | /24 | 256 | Bought | ThousandEyes, Inc. (US) | ARIN | Merger or acquisition |
| 5 Aug 2026 | 80.254.144.0 – 80.254.159.255 | /20 | 4.1K | Bought | Cisco OpenDNS LLC (US) | RIPE | Market transfer |
| 31 Mar 2026 | 198.169.194.0 – 198.169.195.255 | /23 | 512 | Bought | AppDynamics (US) | ARIN | Merger or acquisition |
| 12 Feb 2026 | 194.165.192.0 – 194.165.223.255 | /19 | 8.2K | Bought | Cisco OpenDNS LLC (US) | RIPE | Market transfer |
| 9 Dec 2025 | 195.146.160.0 – 195.146.191.255 | /19 | 8.2K | Bought | Cisco OpenDNS LLC (US) | RIPE | Market transfer |
| 16 Dec 2024 | 45.45.157.0 – 45.45.157.255 | /24 | 256 | Bought | Accedian Networks Inc. (CA) | ARIN | Merger or acquisition |
| 4 Jun 2024 | 152.39.0.0 – 152.39.63.255 | /18 | 16.4K | Bought | Shaw University (US) | ARIN | Market transfer |
| 23 May 2024 | 74.207.64.0 – 74.207.127.255 | /18 | 16.4K | Bought | Webster University (US) | ARIN | Market transfer |
| 14 Dec 2023 | 172.98.16.0 – 172.98.19.255 | /22 | 1K | Bought | Oort Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.133.160.0 – 192.133.191.255 | /19 | 8.2K | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 64.104.0.0 – 64.104.255.255 | /16 | 65.5K | Bought | Cisco Systems, Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.122.174.0 – 192.122.174.255 | /24 | 256 | Bought | Cisco Systems, Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 198.135.0.0 – 198.135.7.255 | /21 | 2K | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 128.107.0.0 – 128.107.255.255 | /16 | 65.5K | Bought | Cisco Systems, Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.31.7.0 – 192.31.7.255 | /24 | 256 | Bought | Cisco Systems, Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.135.247.0 – 192.135.247.255 | /24 | 256 | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.135.240.0 – 192.135.240.255 | /24 | 256 | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.135.243.0 – 192.135.243.255 | /24 | 256 | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 173.36.0.0 – 173.39.255.255 | /14 | 262.1K | Bought | Cisco Systems, Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 209.182.176.0 – 209.182.191.255 | /20 | 4.1K | Bought | Cisco Systems, Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.135.250.0 – 192.135.250.255 | /24 | 256 | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 198.62.154.0 – 198.62.154.255 | /24 | 256 | Bought | TGV Software, Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 72.163.0.0 – 72.163.255.255 | /16 | 65.5K | Bought | Cisco Systems, Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.135.246.0 – 192.135.246.255 | /24 | 256 | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 216.128.32.0 – 216.128.63.255 | /19 | 8.2K | Bought | Cisco Systems, Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.133.144.0 – 192.133.159.255 | /20 | 4.1K | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.135.242.0 – 192.135.242.255 | /24 | 256 | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 64.100.0.0 – 64.103.255.255 | /14 | 262.1K | Bought | Cisco Systems, Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.122.173.0 – 192.122.173.255 | /24 | 256 | Bought | Cisco Systems, Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.133.224.0 – 192.133.239.255 | /20 | 4.1K | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.135.245.0 – 192.135.245.255 | /24 | 256 | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 161.44.0.0 – 161.44.255.255 | /16 | 65.5K | Bought | TGV Software, Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 66.187.208.0 – 66.187.223.255 | /20 | 4.1K | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.190.224.0 – 192.190.224.255 | /24 | 256 | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.133.192.0 – 192.133.223.255 | /19 | 8.2K | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 204.69.198.0 – 204.69.199.255 | /23 | 512 | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.135.241.0 – 192.135.241.255 | /24 | 256 | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.135.239.0 – 192.135.239.255 | /24 | 256 | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 198.133.219.0 – 198.133.219.255 | /24 | 256 | Bought | Cisco Systems, Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 171.68.0.0 – 171.71.255.255 | /14 | 262.1K | Bought | Cisco Systems, Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.135.249.0 – 192.135.249.255 | /24 | 256 | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 204.69.200.0 – 204.69.201.255 | /23 | 512 | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 144.254.0.0 – 144.254.255.255 | /16 | 65.5K | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.133.240.0 – 192.133.243.255 | /22 | 1K | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.150.45.0 – 192.150.45.255 | /24 | 256 | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Sep 2023 | 192.135.244.0 – 192.135.244.255 | /24 | 256 | Bought | Cisco Systems Inc. (US) | ARIN | Merger or acquisition |
| 12 Jun 2023 | 171.68.0.0 – 171.71.255.255 | /14 | 262.1K | Bought | Raytheon BBN Technologies Corp. (US) | ARIN | Market transfer |
| 22 May 2023 | 200.194.240.0 – 200.194.247.255 | /21 | 2K | Bought | BSI INFORMATICA LIMITADA (BR) | LACNIC → ARIN | Market transfer |