L'indirizzo IP 81.146.51 è fornito da BTnet UK Regional network, che è di proprietà del CIDR (Classless Inter-Domain Routing) 81.128.0.0/11, IP tra 81.128.0.0 a 81.159.255.255 ). Il numero di sistema autonomo (ASN) è 2856.
| ASN | 2856 |
| IP inizia con | 81.128.0.0 |
| IP finale con | 81.159.255.255 |
| ASN Nome | BTnet UK Regional network |
| CDIR | 81.128.0.0/11 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 26/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | GB | United Kingdom | - | Drumahoe | 54,9667 | -7,2667 | 2017-07-26 |
| MaxMind | GB | United Kingdom | - | Edinburgh | 55,9321 | -3,1414 | 2017-07-26 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.146.51.0 | 1368535808 | 0 |
| 81.146.51.1 | 1368535809 | 0 |
| 81.146.51.2 | 1368535810 | 0 |
| 81.146.51.3 | 1368535811 | 0 |
| 81.146.51.4 | 1368535812 | 0 |
| 81.146.51.5 | 1368535813 | 0 |
| 81.146.51.6 | 1368535814 | 0 |
| 81.146.51.7 | 1368535815 | 0 |
| 81.146.51.8 | 1368535816 | 0 |
| 81.146.51.9 | 1368535817 | 0 |
| 81.146.51.10 | 1368535818 | 0 |
| 81.146.51.11 | 1368535819 | 0 |
| 81.146.51.12 | 1368535820 | 0 |
| 81.146.51.13 | 1368535821 | 0 |
| 81.146.51.14 | 1368535822 | 0 |
| 81.146.51.15 | 1368535823 | 0 |
| 81.146.51.16 | 1368535824 | 0 |
| 81.146.51.17 | 1368535825 | 0 |
| 81.146.51.18 | 1368535826 | 0 |
| 81.146.51.19 | 1368535827 | 0 |
| 81.146.51.20 | 1368535828 | 0 |
| 81.146.51.21 | 1368535829 | 0 |
| 81.146.51.22 | 1368535830 | 0 |
| 81.146.51.23 | 1368535831 | 0 |
| 81.146.51.24 | 1368535832 | 0 |
| 81.146.51.25 | 1368535833 | 0 |
| 81.146.51.26 | 1368535834 | 0 |
| 81.146.51.27 | 1368535835 | 0 |
| 81.146.51.28 | 1368535836 | 0 |
| 81.146.51.29 | 1368535837 | 0 |
| 81.146.51.30 | 1368535838 | 0 |
| 81.146.51.31 | 1368535839 | 0 |
| 81.146.51.32 | 1368535840 | 0 |
| 81.146.51.33 | 1368535841 | 0 |
| 81.146.51.34 | 1368535842 | 0 |
| 81.146.51.35 | 1368535843 | 0 |
| 81.146.51.36 | 1368535844 | 0 |
| 81.146.51.37 | 1368535845 | 0 |
| 81.146.51.38 | 1368535846 | 0 |
| 81.146.51.39 | 1368535847 | 0 |
| 81.146.51.40 | 1368535848 | 0 |
| 81.146.51.41 | 1368535849 | 0 |
| 81.146.51.42 | 1368535850 | 0 |
| 81.146.51.43 | 1368535851 | 0 |
| 81.146.51.44 | 1368535852 | 0 |
| 81.146.51.45 | 1368535853 | 0 |
| 81.146.51.46 | 1368535854 | 0 |
| 81.146.51.47 | 1368535855 | 0 |
| 81.146.51.48 | 1368535856 | 0 |
| 81.146.51.49 | 1368535857 | 0 |
| 81.146.51.50 | 1368535858 | 0 |
| 81.146.51.51 | 1368535859 | 0 |
| 81.146.51.52 | 1368535860 | 0 |
| 81.146.51.53 | 1368535861 | 0 |
| 81.146.51.54 | 1368535862 | 0 |
| 81.146.51.55 | 1368535863 | 0 |
| 81.146.51.56 | 1368535864 | 0 |
| 81.146.51.57 | 1368535865 | 0 |
| 81.146.51.58 | 1368535866 | 0 |
| 81.146.51.59 | 1368535867 | 0 |
| 81.146.51.60 | 1368535868 | 0 |
| 81.146.51.61 | 1368535869 | 0 |
| 81.146.51.62 | 1368535870 | 0 |
| 81.146.51.63 | 1368535871 | 0 |
| 81.146.51.64 | 1368535872 | 0 |
| 81.146.51.65 | 1368535873 | 0 |
| 81.146.51.66 | 1368535874 | 0 |
| 81.146.51.67 | 1368535875 | 0 |
| 81.146.51.68 | 1368535876 | 0 |
| 81.146.51.69 | 1368535877 | 0 |
| 81.146.51.70 | 1368535878 | 0 |
| 81.146.51.71 | 1368535879 | 0 |
| 81.146.51.72 | 1368535880 | 0 |
| 81.146.51.73 | 1368535881 | 0 |
| 81.146.51.74 | 1368535882 | 0 |
| 81.146.51.75 | 1368535883 | 0 |
| 81.146.51.76 | 1368535884 | 0 |
| 81.146.51.77 | 1368535885 | 0 |
| 81.146.51.78 | 1368535886 | 0 |
| 81.146.51.79 | 1368535887 | 0 |
| 81.146.51.80 | 1368535888 | 0 |
| 81.146.51.81 | 1368535889 | 0 |
| 81.146.51.82 | 1368535890 | 0 |
| 81.146.51.83 | 1368535891 | 0 |
| 81.146.51.84 | 1368535892 | 0 |
| 81.146.51.85 | 1368535893 | 0 |