The IP address 81.193.237 is provided by , it's belong to the CDIR (Classless Inter-Domain Routing) 81.193.0.0/16 (range 81.193.0.0 to 81.193.255.255). The autonomous system number (ASN) is 3243.
| ASN | 3243 |
| IP starting by | 81.193.0.0 |
| IP ending by | 81.193.255.255 |
| ASN Name | |
| CDIR | 81.193.0.0/16 |
| Numerical IP | |
| Registry | ripencc |
| Last update | 12/02/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | PT | Portugal | - | Montemor-o-Novo | 38.6481 | -8.2146 | 2018-02-11 |
| MaxMind | PT | Portugal | - | Telheiro | 38.4538 | -7.3815 | 2018-02-11 |
| Whois | PT | - | - | - | -8 | 39 | |
| W3C | - | - | - | - | - | - | - |