The IP address 165.123.231 is provided by University of Pennsylvania, it's belong to the CDIR (Classless Inter-Domain Routing) 165.123.0.0/16 (range 165.123.0.0 to 165.123.255.255). The autonomous system number (ASN) is 55.
| ASN | 55 |
| IP starting by | 165.123.0.0 |
| IP ending by | 165.123.255.255 |
| ASN Name | University of Pennsylvania |
| CDIR | 165.123.0.0/16 |
| Numerical IP | |
| Registry | arin |
| Last update | 02/09/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Evanston | 42.0575 | -87.6739 | 2018-09-02 |
| MaxMind | US | United States | - | Evanston | 42.0586 | -87.6845 | 2018-09-02 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |