| Property | Value |
| Name | ISC Networking & Telecommunications |
| hostmaster@upenn.edu | |
| Address | 3401 Walnut Street - Suite 221A |
| City | Philadelphia, PA 191 |
| Country | UNITED STATES |
| NameServer | ADNS2.UPENN.EDU 128.91.254.22, |
| Created | 1986-06-02 00:00:00 |
| Changed | 2014-01-14 00:00:00 |
| Expires | 2015-07-31 00:00:00 |
| Date | IP Address |
| 2014-01-12 | 128.91.90.9 (ClassC) |
| 2014-04-07 | 199.244.200.204 (ClassC) |
| 2014-05-22 | 137.164.255.251 (ClassC) |
| 2014-05-29 | 137.164.255.250 (ClassC) |
| 2014-05-30 | 128.91.89.205 (ClassC) |
| 2014-05-30 | 128.91.86.99 (ClassC) |
| 2014-05-30 | 128.91.87.179 (ClassC) |
| 2014-06-29 | 128.91.90.24 (ClassC) |
| 2015-05-18 | - |
| 2025-03-19 | 165.123.9.6 (ClassC) |
| 2025-03-28 | 128.91.89.214 (ClassC) |
| 2025-04-09 | 128.91.86.255 (ClassC) |
| 2025-05-03 | 165.123.9.4 (ClassC) |