Les adresses IP débutant par 81.157.24 sont fournies par BTnet UK Regional network, elles appartiennent au CIDR (Classless Inter-Domain Routing) 81.128.0.0/11, le bloc IP comprant les adresses de 81.128.0.0 à 81.159.255.255). Le numéro de système autonome (ASN) est 2856.
| ASN | 2856 |
| IP commençant par | 81.128.0.0 |
| IP se terminant par | 81.159.255.255 |
| Nom ASN | BTnet UK Regional network |
| CDIR | 81.128.0.0/11 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 20/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | GB | Royaume-Uni | - | Hythe | 50,86 | -1,4016 | 2017-07-20 |
| MaxMind | GB | Royaume-Uni | - | - | 51,4964 | -0,1224 | 2017-07-20 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.157.24.0 | 1369249792 | 0 |
| 81.157.24.1 | 1369249793 | 0 |
| 81.157.24.2 | 1369249794 | 0 |
| 81.157.24.3 | 1369249795 | 0 |
| 81.157.24.4 | 1369249796 | 0 |
| 81.157.24.5 | 1369249797 | 0 |
| 81.157.24.6 | 1369249798 | 0 |
| 81.157.24.7 | 1369249799 | 0 |
| 81.157.24.8 | 1369249800 | 0 |
| 81.157.24.9 | 1369249801 | 0 |
| 81.157.24.10 | 1369249802 | 0 |
| 81.157.24.11 | 1369249803 | 0 |
| 81.157.24.12 | 1369249804 | 0 |
| 81.157.24.13 | 1369249805 | 0 |
| 81.157.24.14 | 1369249806 | 0 |
| 81.157.24.15 | 1369249807 | 0 |
| 81.157.24.16 | 1369249808 | 0 |
| 81.157.24.17 | 1369249809 | 0 |
| 81.157.24.18 | 1369249810 | 0 |
| 81.157.24.19 | 1369249811 | 0 |
| 81.157.24.20 | 1369249812 | 0 |
| 81.157.24.21 | 1369249813 | 0 |
| 81.157.24.22 | 1369249814 | 0 |
| 81.157.24.23 | 1369249815 | 0 |
| 81.157.24.24 | 1369249816 | 0 |
| 81.157.24.25 | 1369249817 | 0 |
| 81.157.24.26 | 1369249818 | 0 |
| 81.157.24.27 | 1369249819 | 0 |
| 81.157.24.28 | 1369249820 | 0 |
| 81.157.24.29 | 1369249821 | 0 |
| 81.157.24.30 | 1369249822 | 0 |
| 81.157.24.31 | 1369249823 | 0 |
| 81.157.24.32 | 1369249824 | 0 |
| 81.157.24.33 | 1369249825 | 0 |
| 81.157.24.34 | 1369249826 | 0 |
| 81.157.24.35 | 1369249827 | 0 |
| 81.157.24.36 | 1369249828 | 0 |
| 81.157.24.37 | 1369249829 | 0 |
| 81.157.24.38 | 1369249830 | 0 |
| 81.157.24.39 | 1369249831 | 0 |
| 81.157.24.40 | 1369249832 | 0 |
| 81.157.24.41 | 1369249833 | 0 |
| 81.157.24.42 | 1369249834 | 0 |
| 81.157.24.43 | 1369249835 | 0 |
| 81.157.24.44 | 1369249836 | 0 |
| 81.157.24.45 | 1369249837 | 0 |
| 81.157.24.46 | 1369249838 | 0 |
| 81.157.24.47 | 1369249839 | 0 |
| 81.157.24.48 | 1369249840 | 0 |
| 81.157.24.49 | 1369249841 | 0 |
| 81.157.24.50 | 1369249842 | 0 |
| 81.157.24.51 | 1369249843 | 0 |
| 81.157.24.52 | 1369249844 | 0 |
| 81.157.24.53 | 1369249845 | 0 |
| 81.157.24.54 | 1369249846 | 0 |
| 81.157.24.55 | 1369249847 | 0 |
| 81.157.24.56 | 1369249848 | 0 |
| 81.157.24.57 | 1369249849 | 0 |
| 81.157.24.58 | 1369249850 | 0 |
| 81.157.24.59 | 1369249851 | 0 |
| 81.157.24.60 | 1369249852 | 0 |
| 81.157.24.61 | 1369249853 | 0 |
| 81.157.24.62 | 1369249854 | 0 |
| 81.157.24.63 | 1369249855 | 0 |
| 81.157.24.64 | 1369249856 | 0 |
| 81.157.24.65 | 1369249857 | 0 |
| 81.157.24.66 | 1369249858 | 0 |
| 81.157.24.67 | 1369249859 | 0 |
| 81.157.24.68 | 1369249860 | 0 |
| 81.157.24.69 | 1369249861 | 0 |
| 81.157.24.70 | 1369249862 | 0 |
| 81.157.24.71 | 1369249863 | 0 |
| 81.157.24.72 | 1369249864 | 0 |
| 81.157.24.73 | 1369249865 | 0 |
| 81.157.24.74 | 1369249866 | 0 |
| 81.157.24.75 | 1369249867 | 0 |
| 81.157.24.76 | 1369249868 | 0 |
| 81.157.24.77 | 1369249869 | 0 |
| 81.157.24.78 | 1369249870 | 0 |
| 81.157.24.79 | 1369249871 | 0 |
| 81.157.24.80 | 1369249872 | 0 |
| 81.157.24.81 | 1369249873 | 0 |
| 81.157.24.82 | 1369249874 | 0 |
| 81.157.24.83 | 1369249875 | 0 |
| 81.157.24.84 | 1369249876 | 0 |
| 81.157.24.85 | 1369249877 | 0 |