| Property | Value |
| Name | HarperCollins Publishers |
| Address | Westerhill Road |
| Zip Code | G64 2QT |
| City | Bishopbriggs |
| State | Glasgow |
| Country | United Kingdom |
| NameServer | ns2.markmonitor.com |
| Created | before Aug-1996 |
| Changed | 2014-06-13 00:00:00 |
| Expires | 2015-09-15 00:00:00 |
| Registrar | Markmonitor Inc. t/a |
| Date | IP Address |
| 2014-04-08 | 54.230.34.197 (ClassC) |
| 2014-06-07 | 54.230.35.145 (ClassC) |
| 2014-10-03 | 54.230.5.80 (ClassC) |
| 2014-10-23 | 54.192.5.116 (ClassC) |
| 2014-10-28 | 54.230.6.228 (ClassC) |
| 2014-11-04 | 54.230.88.223 (ClassC) |
| 2015-01-06 | 54.230.90.117 (ClassC) |
| 2015-02-25 | 54.230.6.3 (ClassC) |
| 2015-05-04 | 54.230.34.176 (ClassC) |
| 2016-01-15 | 52.84.4.241 (ClassC) |
| 2016-03-06 | 52.84.4.124 (ClassC) |
| 2016-07-02 | 52.85.209.243 (ClassC) |
| 2016-07-19 | 54.192.119.114 (ClassC) |
| 2016-10-11 | 52.84.66.82 (ClassC) |
| 2016-10-28 | 52.84.66.67 (ClassC) |
| 2016-11-14 | 52.84.66.42 (ClassC) |
| 2017-07-08 | 52.84.3.87 (ClassC) |
| 2018-08-25 | 54.230.35.71 (ClassC) |
| 2025-03-12 | 18.238.238.32 (ClassC) |
| 2025-05-02 | 18.238.238.47 (ClassC) |
| 2025-05-29 | 99.84.66.23 (ClassC) |
| 2025-07-11 | 99.84.66.99 (ClassC) |
| 2025-07-15 | 99.84.66.52 (ClassC) |
| 2025-08-28 | 99.84.66.82 (ClassC) |
| Date | Domain | IP |
| images.harpercollins.co.uk | 2014-04-08 | 54.230.34.197 |
| assets.harpercollins.co.uk | 2014-10-15 | 54.230.183.27 |
| marketingassets.harpercollins.co.uk | 2015-02-12 | 54.192.7.148 |