The IP address 91.123.172 is provided by 1, it's belong to the CDIR (Classless Inter-Domain Routing) 91.123.176.0/20 (range 91.123.176.0 to 91.123.191.255). The autonomous system number (ASN) is 51792.
| ASN | 51792 |
| IP starting by | 91.123.176.0 |
| IP ending by | 91.123.191.255 |
| ASN Name | 1 |
| CDIR | 91.123.176.0/20 |
| Numerical IP | |
| Registry | ripencc |
| Last update | 03/08/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | PL | Poland | - | Lublin | 51.25 | 22.5667 | 2017-08-03 |
| MaxMind | PL | Poland | - | Lublin | 51.25 | 22.5667 | 2017-08-03 |
| Whois | PL | - | - | - | 19 | 52 | |
| W3C | - | - | - | - | - | - | - |