| Property | Value |
| Name | PG Calc Incorporated |
| Organization | PG Calc Incorporated |
| gpforzheimer@PGCALC.COM | |
| Address | 129 Mt. Auburn Street |
| Zip Code | 02138 |
| City | Cambridge |
| State | MA |
| Country | US |
| Phone | +1.6174974970 |
| Fax | +1.9999999999 |
| NameServer | NS2.RACKSPACE.COM |
| Created | 1995-08-16 04:00:00 |
| Changed | 2016-06-16 08:08:08 |
| Expires | 2021-08-15 00:00:00 |
| Registrar | NETWORK SOLUTIONS, L |
| Date | IP Address |
| 2014-07-06 | 63.80.4.161 (ClassC) |
| 2014-07-14 | 63.239.232.112 (ClassC) |
| 2014-07-17 | 165.254.24.152 (ClassC) |
| 2014-07-19 | 63.80.4.211 (ClassC) |
| 2014-08-15 | 184.84.180.16 (ClassC) |
| 2014-08-18 | 184.84.180.35 (ClassC) |
| 2015-01-13 | 165.254.155.131 (ClassC) |
| 2015-11-19 | 63.158.227.83 (ClassC) |
| 2017-07-20 | 204.93.46.34 (ClassC) |
| 2017-10-16 | 23.220.96.88 (ClassC) |
| 2017-11-06 | 23.220.96.16 (ClassC) |
| 2024-12-21 | 199.60.103.30 (ClassC) |
| 2025-01-15 | 199.60.103.226 (ClassC) |
| 2025-10-22 | 199.60.103.31 (ClassC) |
| 2026-01-22 | 199.60.103.225 (ClassC) |