| Property | Value |
| Name | Koppers Inc. |
| Organization | Koppers Inc. |
| reeherjg@KOPPERS.COM | |
| Address | 436 Seventh Avenue |
| Zip Code | 15219 |
| City | Pittsburgh |
| State | PA |
| Country | US |
| Phone | +1.9999999999 |
| Fax | +1.9999999999 |
| NameServer | NS78.WORLDNIC.COM |
| Created | 1995-11-10 05:00:00 |
| Changed | 2015-01-28 23:22:35 |
| Expires | 2015-11-09 00:00:00 |
| Registrar | NETWORK SOLUTIONS, L |
| Date | IP Address |
| 2014-01-21 | 157.238.74.144 (ClassC) |
| 2014-01-21 | 165.254.94.114 (ClassC) |
| 2014-12-04 | 205.185.206.170 (ClassC) |
| 2014-12-06 | 165.254.206.120 (ClassC) |
| 2014-12-09 | 165.254.206.89 (ClassC) |
| 2015-01-06 | 128.177.96.35 (ClassC) |
| 2015-01-30 | 165.254.207.57 (ClassC) |
| 2015-02-03 | 165.254.206.88 (ClassC) |
| 2015-02-06 | 69.22.154.35 (ClassC) |
| 2015-03-08 | 184.51.147.67 (ClassC) |
| 2015-03-12 | 128.177.96.16 (ClassC) |
| 2015-04-09 | - |
| 2016-05-31 | 184.86.240.192 (ClassC) |
| 2016-07-25 | 65.153.18.11 (ClassC) |
| 2016-08-11 | 165.254.114.24 (ClassC) |
| 2018-03-19 | 90.84.51.144 (ClassC) |
| 2018-04-26 | 23.194.112.25 (ClassC) |
| 2018-04-26 | 23.194.112.35 (ClassC) |
| 2018-06-30 | 23.215.131.194 (ClassC) |
| 2020-12-04 | 172.232.13.33 (ClassC) |
| 2024-06-17 | 23.46.17.32 (ClassC) |
| 2024-06-23 | 23.46.17.67 (ClassC) |
| 2024-08-01 | 23.55.167.19 (ClassC) |
| 2024-08-30 | 23.46.17.12 (ClassC) |
| 2024-10-01 | 23.54.19.96 (ClassC) |
| 2024-11-28 | 23.54.19.115 (ClassC) |
| 2024-12-06 | 104.70.127.55 (ClassC) |
| 2024-12-25 | 23.46.228.171 (ClassC) |