| Date | IP Address |
| 2015-04-19 | 173.194.197.121 (ClassC) |
| 2015-06-16 | 173.194.193.121 (ClassC) |
| 2024-07-08 | 142.251.211.243 (ClassC) |
| 2024-07-27 | 142.250.217.83 (ClassC) |
| 2024-09-03 | 172.217.14.243 (ClassC) |
| 2024-09-15 | 142.250.69.211 (ClassC) |
| 2025-01-14 | 142.251.215.243 (ClassC) |
| 2025-04-04 | 142.251.33.83 (ClassC) |
| 2025-04-18 | 142.250.217.115 (ClassC) |
| 2025-04-26 | 142.251.33.115 (ClassC) |
| Date | Domain | IP |
| ns2.ieee.org | 2025-04-17 | 63.84.220.182 |
| ctmedia.ieee.org | 2024-03-23 | 108.138.246.92 |
| icxui-qa.ieee.org | 2023-08-25 | 23.6.98.18 |
| ieee-collabratecqa.ieee.org | 2024-09-15 | 204.246.191.30 |
| xploreqa.ieee.org | 2023-08-25 | 23.6.98.18 |
| ieee-collabratec.ieee.org | 2019-10-23 | 13.224.29.17 |
| latexqc.ieee.org | 2025-04-18 | 34.120.72.148 |
| ieeexplore.ieee.org | 2024-01-11 | 18.161.6.20 |
| smetrics-ieeexplore.ieee.org | 2024-09-12 | 63.140.37.126 |
| staticieeexplore.ieee.org | 2014-12-30 | 173.205.10.42 |
| advertise.ieee.org | 2014-04-25 | 205.251.242.107 |
| innovate.ieee.org | 2015-03-12 | 173.205.10.59 |
| qainnovate.ieee.org | 2024-09-03 | 23.198.175.189 |
| theinstitute.ieee.org | 2015-01-04 | 184.27.202.73 |
| 5g.ieee.org | 2025-04-15 | 18.235.91.131 |
| xplorestaging.ieee.org | 2025-02-03 | 99.86.38.65 |
| ieeeorg-stg.ieee.org | 2023-08-25 | 23.6.98.18 |
| research.ieee.org | 2023-08-26 | 96.17.223.210 |
| conference-api.ieee.org | 2025-04-18 | 52.55.136.216 |
| ieee-collabratecapi.ieee.org | 2024-08-18 | 18.161.6.67 |
| standards-oui.ieee.org | 2025-04-18 | 142.215.42.90 |
| email.ieee.org | 2015-04-19 | 173.194.197.121 |
| spectrum.ieee.org | 2013-12-08 | 198.173.2.40 |