L'indirizzo IP 81.77.78 è fornito da UK Backbone Network, che è di proprietà del CIDR (Classless Inter-Domain Routing) 81.76.0.0/14, IP tra 81.76.0.0 a 81.79.255.255 ). Il numero di sistema autonomo (ASN) è 5388.
| ASN | 5388 |
| IP inizia con | 81.76.0.0 |
| IP finale con | 81.79.255.255 |
| ASN Nome | UK Backbone Network |
| CDIR | 81.76.0.0/14 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 18/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | GB | United Kingdom | - | London | 51,5085 | -0,1257 | 2017-07-18 |
| MaxMind | GB | United Kingdom | - | - | 51,4964 | -0,1224 | 2017-07-18 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.77.78.0 | 1364020736 | 0 |
| 81.77.78.1 | 1364020737 | 0 |
| 81.77.78.2 | 1364020738 | 0 |
| 81.77.78.3 | 1364020739 | 0 |
| 81.77.78.4 | 1364020740 | 0 |
| 81.77.78.5 | 1364020741 | 0 |
| 81.77.78.6 | 1364020742 | 0 |
| 81.77.78.7 | 1364020743 | 0 |
| 81.77.78.8 | 1364020744 | 0 |
| 81.77.78.9 | 1364020745 | 0 |
| 81.77.78.10 | 1364020746 | 0 |
| 81.77.78.11 | 1364020747 | 0 |
| 81.77.78.12 | 1364020748 | 0 |
| 81.77.78.13 | 1364020749 | 0 |
| 81.77.78.14 | 1364020750 | 0 |
| 81.77.78.15 | 1364020751 | 0 |
| 81.77.78.16 | 1364020752 | 0 |
| 81.77.78.17 | 1364020753 | 0 |
| 81.77.78.18 | 1364020754 | 0 |
| 81.77.78.19 | 1364020755 | 0 |
| 81.77.78.20 | 1364020756 | 0 |
| 81.77.78.21 | 1364020757 | 0 |
| 81.77.78.22 | 1364020758 | 0 |
| 81.77.78.23 | 1364020759 | 0 |
| 81.77.78.24 | 1364020760 | 0 |
| 81.77.78.25 | 1364020761 | 0 |
| 81.77.78.26 | 1364020762 | 0 |
| 81.77.78.27 | 1364020763 | 0 |
| 81.77.78.28 | 1364020764 | 0 |
| 81.77.78.29 | 1364020765 | 0 |
| 81.77.78.30 | 1364020766 | 0 |
| 81.77.78.31 | 1364020767 | 0 |
| 81.77.78.32 | 1364020768 | 0 |
| 81.77.78.33 | 1364020769 | 0 |
| 81.77.78.34 | 1364020770 | 0 |
| 81.77.78.35 | 1364020771 | 0 |
| 81.77.78.36 | 1364020772 | 0 |
| 81.77.78.37 | 1364020773 | 0 |
| 81.77.78.38 | 1364020774 | 0 |
| 81.77.78.39 | 1364020775 | 0 |
| 81.77.78.40 | 1364020776 | 0 |
| 81.77.78.41 | 1364020777 | 0 |
| 81.77.78.42 | 1364020778 | 0 |
| 81.77.78.43 | 1364020779 | 0 |
| 81.77.78.44 | 1364020780 | 0 |
| 81.77.78.45 | 1364020781 | 0 |
| 81.77.78.46 | 1364020782 | 0 |
| 81.77.78.47 | 1364020783 | 0 |
| 81.77.78.48 | 1364020784 | 0 |
| 81.77.78.49 | 1364020785 | 0 |
| 81.77.78.50 | 1364020786 | 0 |
| 81.77.78.51 | 1364020787 | 0 |
| 81.77.78.52 | 1364020788 | 0 |
| 81.77.78.53 | 1364020789 | 0 |
| 81.77.78.54 | 1364020790 | 0 |
| 81.77.78.55 | 1364020791 | 0 |
| 81.77.78.56 | 1364020792 | 0 |
| 81.77.78.57 | 1364020793 | 0 |
| 81.77.78.58 | 1364020794 | 0 |
| 81.77.78.59 | 1364020795 | 0 |
| 81.77.78.60 | 1364020796 | 0 |
| 81.77.78.61 | 1364020797 | 0 |
| 81.77.78.62 | 1364020798 | 0 |
| 81.77.78.63 | 1364020799 | 0 |
| 81.77.78.64 | 1364020800 | 0 |
| 81.77.78.65 | 1364020801 | 0 |
| 81.77.78.66 | 1364020802 | 0 |
| 81.77.78.67 | 1364020803 | 0 |
| 81.77.78.68 | 1364020804 | 0 |
| 81.77.78.69 | 1364020805 | 0 |
| 81.77.78.70 | 1364020806 | 0 |
| 81.77.78.71 | 1364020807 | 0 |
| 81.77.78.72 | 1364020808 | 0 |
| 81.77.78.73 | 1364020809 | 0 |
| 81.77.78.74 | 1364020810 | 0 |
| 81.77.78.75 | 1364020811 | 0 |
| 81.77.78.76 | 1364020812 | 0 |
| 81.77.78.77 | 1364020813 | 0 |
| 81.77.78.78 | 1364020814 | 0 |
| 81.77.78.79 | 1364020815 | 0 |
| 81.77.78.80 | 1364020816 | 0 |
| 81.77.78.81 | 1364020817 | 0 |
| 81.77.78.82 | 1364020818 | 0 |
| 81.77.78.83 | 1364020819 | 0 |
| 81.77.78.84 | 1364020820 | 0 |
| 81.77.78.85 | 1364020821 | 0 |
| IP | Numerical IP | DNS |
| 81.77.78.86 | 1364020822 | 0 |
| 81.77.78.87 | 1364020823 | 0 |
| 81.77.78.88 | 1364020824 | 0 |
| 81.77.78.89 | 1364020825 | 0 |
| 81.77.78.90 | 1364020826 | 0 |
| 81.77.78.91 | 1364020827 | 0 |
| 81.77.78.92 | 1364020828 | 0 |
| 81.77.78.93 | 1364020829 | 0 |
| 81.77.78.94 | 1364020830 | 0 |
| 81.77.78.95 | 1364020831 | 0 |
| 81.77.78.96 | 1364020832 | 0 |
| 81.77.78.97 | 1364020833 | 0 |
| 81.77.78.98 | 1364020834 | 0 |
| 81.77.78.99 | 1364020835 | 0 |
| 81.77.78.100 | 1364020836 | 0 |
| 81.77.78.101 | 1364020837 | 0 |
| 81.77.78.102 | 1364020838 | 0 |
| 81.77.78.103 | 1364020839 | 0 |
| 81.77.78.104 | 1364020840 | 0 |
| 81.77.78.105 | 1364020841 | 0 |
| 81.77.78.106 | 1364020842 | 0 |
| 81.77.78.107 | 1364020843 | 0 |
| 81.77.78.108 | 1364020844 | 0 |
| 81.77.78.109 | 1364020845 | 0 |
| 81.77.78.110 | 1364020846 | 0 |
| 81.77.78.111 | 1364020847 | 0 |
| 81.77.78.112 | 1364020848 | 0 |
| 81.77.78.113 | 1364020849 | 0 |
| 81.77.78.114 | 1364020850 | 0 |
| 81.77.78.115 | 1364020851 | 0 |
| 81.77.78.116 | 1364020852 | 0 |
| 81.77.78.117 | 1364020853 | 0 |
| 81.77.78.118 | 1364020854 | 0 |
| 81.77.78.119 | 1364020855 | 0 |
| 81.77.78.120 | 1364020856 | 0 |
| 81.77.78.121 | 1364020857 | 0 |
| 81.77.78.122 | 1364020858 | 0 |
| 81.77.78.123 | 1364020859 | 0 |
| 81.77.78.124 | 1364020860 | 0 |
| 81.77.78.125 | 1364020861 | 0 |
| 81.77.78.126 | 1364020862 | 0 |
| 81.77.78.127 | 1364020863 | 0 |
| 81.77.78.128 | 1364020864 | 0 |
| 81.77.78.129 | 1364020865 | 0 |
| 81.77.78.130 | 1364020866 | 0 |
| 81.77.78.131 | 1364020867 | 0 |
| 81.77.78.132 | 1364020868 | 0 |
| 81.77.78.133 | 1364020869 | 0 |
| 81.77.78.134 | 1364020870 | 0 |
| 81.77.78.135 | 1364020871 | 0 |
| 81.77.78.136 | 1364020872 | 0 |
| 81.77.78.137 | 1364020873 | 0 |
| 81.77.78.138 | 1364020874 | 0 |
| 81.77.78.139 | 1364020875 | 0 |
| 81.77.78.140 | 1364020876 | 0 |
| 81.77.78.141 | 1364020877 | 0 |
| 81.77.78.142 | 1364020878 | 0 |
| 81.77.78.143 | 1364020879 | 0 |
| 81.77.78.144 | 1364020880 | 0 |
| 81.77.78.145 | 1364020881 | 0 |
| 81.77.78.146 | 1364020882 | 0 |
| 81.77.78.147 | 1364020883 | 0 |
| 81.77.78.148 | 1364020884 | 0 |
| 81.77.78.149 | 1364020885 | 0 |
| 81.77.78.150 | 1364020886 | 0 |
| 81.77.78.151 | 1364020887 | 0 |
| 81.77.78.152 | 1364020888 | 0 |
| 81.77.78.153 | 1364020889 | 0 |
| 81.77.78.154 | 1364020890 | 0 |
| 81.77.78.155 | 1364020891 | 0 |
| 81.77.78.156 | 1364020892 | 0 |
| 81.77.78.157 | 1364020893 | 0 |
| 81.77.78.158 | 1364020894 | 0 |
| 81.77.78.159 | 1364020895 | 0 |
| 81.77.78.160 | 1364020896 | 0 |
| 81.77.78.161 | 1364020897 | 0 |
| 81.77.78.162 | 1364020898 | 0 |
| 81.77.78.163 | 1364020899 | 0 |
| 81.77.78.164 | 1364020900 | 0 |
| 81.77.78.165 | 1364020901 | 0 |
| 81.77.78.166 | 1364020902 | 0 |
| 81.77.78.167 | 1364020903 | 0 |
| 81.77.78.168 | 1364020904 | 0 |
| 81.77.78.169 | 1364020905 | 0 |
| 81.77.78.170 | 1364020906 | 0 |
| 81.77.78.171 | 1364020907 | 0 |
| IP | Numerical IP | DNS |
| 81.77.78.172 | 1364020908 | 0 |
| 81.77.78.173 | 1364020909 | 0 |
| 81.77.78.174 | 1364020910 | 0 |
| 81.77.78.175 | 1364020911 | 0 |
| 81.77.78.176 | 1364020912 | 0 |
| 81.77.78.177 | 1364020913 | 0 |
| 81.77.78.178 | 1364020914 | 0 |
| 81.77.78.179 | 1364020915 | 0 |
| 81.77.78.180 | 1364020916 | 0 |
| 81.77.78.181 | 1364020917 | 0 |
| 81.77.78.182 | 1364020918 | 0 |
| 81.77.78.183 | 1364020919 | 0 |
| 81.77.78.184 | 1364020920 | 0 |
| 81.77.78.185 | 1364020921 | 0 |
| 81.77.78.186 | 1364020922 | 0 |
| 81.77.78.187 | 1364020923 | 0 |
| 81.77.78.188 | 1364020924 | 0 |
| 81.77.78.189 | 1364020925 | 0 |
| 81.77.78.190 | 1364020926 | 0 |
| 81.77.78.191 | 1364020927 | 0 |
| 81.77.78.192 | 1364020928 | 0 |
| 81.77.78.193 | 1364020929 | 0 |
| 81.77.78.194 | 1364020930 | 0 |
| 81.77.78.195 | 1364020931 | 0 |
| 81.77.78.196 | 1364020932 | 0 |
| 81.77.78.197 | 1364020933 | 0 |
| 81.77.78.198 | 1364020934 | 0 |
| 81.77.78.199 | 1364020935 | 0 |
| 81.77.78.200 | 1364020936 | 0 |
| 81.77.78.201 | 1364020937 | 0 |
| 81.77.78.202 | 1364020938 | 0 |
| 81.77.78.203 | 1364020939 | 0 |
| 81.77.78.204 | 1364020940 | 0 |
| 81.77.78.205 | 1364020941 | 0 |
| 81.77.78.206 | 1364020942 | 0 |
| 81.77.78.207 | 1364020943 | 0 |
| 81.77.78.208 | 1364020944 | 0 |
| 81.77.78.209 | 1364020945 | 0 |
| 81.77.78.210 | 1364020946 | 0 |
| 81.77.78.211 | 1364020947 | 0 |
| 81.77.78.212 | 1364020948 | 0 |
| 81.77.78.213 | 1364020949 | 0 |
| 81.77.78.214 | 1364020950 | 0 |
| 81.77.78.215 | 1364020951 | 0 |
| 81.77.78.216 | 1364020952 | 0 |
| 81.77.78.217 | 1364020953 | 0 |
| 81.77.78.218 | 1364020954 | 0 |
| 81.77.78.219 | 1364020955 | 0 |
| 81.77.78.220 | 1364020956 | 0 |
| 81.77.78.221 | 1364020957 | 0 |
| 81.77.78.222 | 1364020958 | 0 |
| 81.77.78.223 | 1364020959 | 0 |
| 81.77.78.224 | 1364020960 | 0 |
| 81.77.78.225 | 1364020961 | 0 |
| 81.77.78.226 | 1364020962 | 0 |
| 81.77.78.227 | 1364020963 | 0 |
| 81.77.78.228 | 1364020964 | 0 |
| 81.77.78.229 | 1364020965 | 0 |
| 81.77.78.230 | 1364020966 | 0 |
| 81.77.78.231 | 1364020967 | 0 |
| 81.77.78.232 | 1364020968 | 0 |
| 81.77.78.233 | 1364020969 | 0 |
| 81.77.78.234 | 1364020970 | 0 |
| 81.77.78.235 | 1364020971 | 0 |
| 81.77.78.236 | 1364020972 | 0 |
| 81.77.78.237 | 1364020973 | 0 |
| 81.77.78.238 | 1364020974 | 0 |
| 81.77.78.239 | 1364020975 | 0 |
| 81.77.78.240 | 1364020976 | 0 |
| 81.77.78.241 | 1364020977 | 0 |
| 81.77.78.242 | 1364020978 | 0 |
| 81.77.78.243 | 1364020979 | 0 |
| 81.77.78.244 | 1364020980 | 0 |
| 81.77.78.245 | 1364020981 | 0 |
| 81.77.78.246 | 1364020982 | 0 |
| 81.77.78.247 | 1364020983 | 0 |
| 81.77.78.248 | 1364020984 | 0 |
| 81.77.78.249 | 1364020985 | 0 |
| 81.77.78.250 | 1364020986 | 0 |
| 81.77.78.251 | 1364020987 | 0 |
| 81.77.78.252 | 1364020988 | 0 |
| 81.77.78.253 | 1364020989 | 0 |
| 81.77.78.254 | 1364020990 | 0 |
| 81.77.78.255 | 1364020991 | 0 |