| Date | IP Address |
| 2025-08-28 | 34.252.15.133 (ClassC) |
| 2025-09-07 | 54.216.189.61 (ClassC) |
| 2025-10-26 | 54.220.4.219 (ClassC) |
| Date | Domain | IP |
| live.v5.rezcomm.com | 2023-10-31 | 54.246.229.246 |
| dev.v5.rezcomm.com | 2024-02-21 | 54.220.77.163 |
| bre.dev.v5.rezcomm.com | 2024-12-27 | 52.210.32.107 |
| boh.dev.v5.rezcomm.com | 2024-12-27 | 52.215.166.54 |
| bhx.dev.v5.rezcomm.com | 2024-12-27 | 52.210.32.107 |
| hub.rezcomm.com | 2025-02-27 | 54.154.187.45 |
| devhub.rezcomm.com | 2025-09-08 | 52.213.146.164 |
| securepayservice.rezcomm.com | 2025-08-28 | 34.252.15.133 |
| hermesv6widgetnewlive.rezcomm.com | 2024-07-22 | 99.84.66.47 |
| api.rezcomm.com | 2023-08-04 | 52.30.233.69 |
| devapi.rezcomm.com | 2024-08-09 | 52.19.80.97 |
| betaapi-london.rezcomm.com | 2024-06-11 | 3.11.205.229 |
| apiselfhosted.shop.rezcomm.com | 2024-11-11 | 54.229.48.16 |
| dev.airporttours.rezcomm.com | 2024-08-13 | 18.161.6.30 |
| v6combinedlivewidget.rezcomm.com | 2024-09-27 | 99.84.66.21 |
| api-frankfurt.rezcomm.com | 2024-04-23 | 18.159.185.106 |
| betaapi-frankfurt.rezcomm.com | 2024-04-23 | 52.29.108.101 |
| devapi-frankfurt.rezcomm.com | 2024-07-02 | 35.157.101.218 |
| fmm.busticket.dev.rezcomm.com | 2025-09-08 | 52.213.146.164 |
| www.rezcomm.com | 2023-08-04 | 18.203.150.176 |