The IP address 81.158.237 is provided by BTnet UK Regional network, it's belong to the CDIR (Classless Inter-Domain Routing) 81.128.0.0/11 (range 81.128.0.0 to 81.159.255.255). The autonomous system number (ASN) is 2856.
| ASN | 2856 |
| IP starting by | 81.128.0.0 |
| IP ending by | 81.159.255.255 |
| ASN Name | BTnet UK Regional network |
| CDIR | 81.128.0.0/11 |
| Numerical IP | |
| Registry | ripencc |
| Last update | 03/08/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | GB | United Kingdom | - | Rugby | 52.3709 | -1.2642 | 2017-08-02 |
| MaxMind | GB | United Kingdom | - | Hereford | 52.05 | -2.7167 | 2017-08-02 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |