Les adresses IP débutant par 81.78.45 sont fournies par UK Backbone Network, elles appartiennent au CIDR (Classless Inter-Domain Routing) 81.76.0.0/14, le bloc IP comprant les adresses de 81.76.0.0 à 81.79.255.255). Le numéro de système autonome (ASN) est 5388.
| ASN | 5388 |
| IP commençant par | 81.76.0.0 |
| IP se terminant par | 81.79.255.255 |
| Nom ASN | UK Backbone Network |
| CDIR | 81.76.0.0/14 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 11/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | GB | Royaume-Uni | - | Leeds | 51,2468 | 0,6068 | 2017-07-11 |
| MaxMind | GB | Royaume-Uni | - | - | 51,4964 | -0,1224 | 2017-07-11 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.78.45.0 | 1364077824 | 0 |
| 81.78.45.1 | 1364077825 | 0 |
| 81.78.45.2 | 1364077826 | 0 |
| 81.78.45.3 | 1364077827 | 0 |
| 81.78.45.4 | 1364077828 | 0 |
| 81.78.45.5 | 1364077829 | 0 |
| 81.78.45.6 | 1364077830 | 0 |
| 81.78.45.7 | 1364077831 | 0 |
| 81.78.45.8 | 1364077832 | 0 |
| 81.78.45.9 | 1364077833 | 0 |
| 81.78.45.10 | 1364077834 | 0 |
| 81.78.45.11 | 1364077835 | 0 |
| 81.78.45.12 | 1364077836 | 0 |
| 81.78.45.13 | 1364077837 | 0 |
| 81.78.45.14 | 1364077838 | 0 |
| 81.78.45.15 | 1364077839 | 0 |
| 81.78.45.16 | 1364077840 | 0 |
| 81.78.45.17 | 1364077841 | 0 |
| 81.78.45.18 | 1364077842 | 0 |
| 81.78.45.19 | 1364077843 | 0 |
| 81.78.45.20 | 1364077844 | 0 |
| 81.78.45.21 | 1364077845 | 0 |
| 81.78.45.22 | 1364077846 | 0 |
| 81.78.45.23 | 1364077847 | 0 |
| 81.78.45.24 | 1364077848 | 0 |
| 81.78.45.25 | 1364077849 | 0 |
| 81.78.45.26 | 1364077850 | 0 |
| 81.78.45.27 | 1364077851 | 0 |
| 81.78.45.28 | 1364077852 | 0 |
| 81.78.45.29 | 1364077853 | 0 |
| 81.78.45.30 | 1364077854 | 0 |
| 81.78.45.31 | 1364077855 | 0 |
| 81.78.45.32 | 1364077856 | 0 |
| 81.78.45.33 | 1364077857 | 0 |
| 81.78.45.34 | 1364077858 | 0 |
| 81.78.45.35 | 1364077859 | 0 |
| 81.78.45.36 | 1364077860 | 0 |
| 81.78.45.37 | 1364077861 | 0 |
| 81.78.45.38 | 1364077862 | 0 |
| 81.78.45.39 | 1364077863 | 0 |
| 81.78.45.40 | 1364077864 | 0 |
| 81.78.45.41 | 1364077865 | 0 |
| 81.78.45.42 | 1364077866 | 0 |
| 81.78.45.43 | 1364077867 | 0 |
| 81.78.45.44 | 1364077868 | 0 |
| 81.78.45.45 | 1364077869 | 0 |
| 81.78.45.46 | 1364077870 | 0 |
| 81.78.45.47 | 1364077871 | 0 |
| 81.78.45.48 | 1364077872 | 0 |
| 81.78.45.49 | 1364077873 | 0 |
| 81.78.45.50 | 1364077874 | 0 |
| 81.78.45.51 | 1364077875 | 0 |
| 81.78.45.52 | 1364077876 | 0 |
| 81.78.45.53 | 1364077877 | 0 |
| 81.78.45.54 | 1364077878 | 0 |
| 81.78.45.55 | 1364077879 | 0 |
| 81.78.45.56 | 1364077880 | 0 |
| 81.78.45.57 | 1364077881 | 0 |
| 81.78.45.58 | 1364077882 | 0 |
| 81.78.45.59 | 1364077883 | 0 |
| 81.78.45.60 | 1364077884 | 0 |
| 81.78.45.61 | 1364077885 | 0 |
| 81.78.45.62 | 1364077886 | 0 |
| 81.78.45.63 | 1364077887 | 0 |
| 81.78.45.64 | 1364077888 | 0 |
| 81.78.45.65 | 1364077889 | 0 |
| 81.78.45.66 | 1364077890 | 0 |
| 81.78.45.67 | 1364077891 | 0 |
| 81.78.45.68 | 1364077892 | 0 |
| 81.78.45.69 | 1364077893 | 0 |
| 81.78.45.70 | 1364077894 | 0 |
| 81.78.45.71 | 1364077895 | 0 |
| 81.78.45.72 | 1364077896 | 0 |
| 81.78.45.73 | 1364077897 | 0 |
| 81.78.45.74 | 1364077898 | 0 |
| 81.78.45.75 | 1364077899 | 0 |
| 81.78.45.76 | 1364077900 | 0 |
| 81.78.45.77 | 1364077901 | 0 |
| 81.78.45.78 | 1364077902 | 0 |
| 81.78.45.79 | 1364077903 | 0 |
| 81.78.45.80 | 1364077904 | 0 |
| 81.78.45.81 | 1364077905 | 0 |
| 81.78.45.82 | 1364077906 | 0 |
| 81.78.45.83 | 1364077907 | 0 |
| 81.78.45.84 | 1364077908 | 0 |
| 81.78.45.85 | 1364077909 | 0 |
| IP | Numerical IP | DNS |
| 81.78.45.86 | 1364077910 | 0 |
| 81.78.45.87 | 1364077911 | 0 |
| 81.78.45.88 | 1364077912 | 0 |
| 81.78.45.89 | 1364077913 | 0 |
| 81.78.45.90 | 1364077914 | 0 |
| 81.78.45.91 | 1364077915 | 0 |
| 81.78.45.92 | 1364077916 | 0 |
| 81.78.45.93 | 1364077917 | 0 |
| 81.78.45.94 | 1364077918 | 0 |
| 81.78.45.95 | 1364077919 | 0 |
| 81.78.45.96 | 1364077920 | 0 |
| 81.78.45.97 | 1364077921 | 0 |
| 81.78.45.98 | 1364077922 | 0 |
| 81.78.45.99 | 1364077923 | 0 |
| 81.78.45.100 | 1364077924 | 0 |
| 81.78.45.101 | 1364077925 | 0 |
| 81.78.45.102 | 1364077926 | 0 |
| 81.78.45.103 | 1364077927 | 0 |
| 81.78.45.104 | 1364077928 | 0 |
| 81.78.45.105 | 1364077929 | 0 |
| 81.78.45.106 | 1364077930 | 0 |
| 81.78.45.107 | 1364077931 | 0 |
| 81.78.45.108 | 1364077932 | 0 |
| 81.78.45.109 | 1364077933 | 0 |
| 81.78.45.110 | 1364077934 | 0 |
| 81.78.45.111 | 1364077935 | 0 |
| 81.78.45.112 | 1364077936 | 0 |
| 81.78.45.113 | 1364077937 | 0 |
| 81.78.45.114 | 1364077938 | 0 |
| 81.78.45.115 | 1364077939 | 0 |
| 81.78.45.116 | 1364077940 | 0 |
| 81.78.45.117 | 1364077941 | 0 |
| 81.78.45.118 | 1364077942 | 0 |
| 81.78.45.119 | 1364077943 | 0 |
| 81.78.45.120 | 1364077944 | 0 |
| 81.78.45.121 | 1364077945 | 0 |
| 81.78.45.122 | 1364077946 | 0 |
| 81.78.45.123 | 1364077947 | 0 |
| 81.78.45.124 | 1364077948 | 0 |
| 81.78.45.125 | 1364077949 | 0 |
| 81.78.45.126 | 1364077950 | 0 |
| 81.78.45.127 | 1364077951 | 0 |
| 81.78.45.128 | 1364077952 | 0 |
| 81.78.45.129 | 1364077953 | 0 |
| 81.78.45.130 | 1364077954 | 0 |
| 81.78.45.131 | 1364077955 | 0 |
| 81.78.45.132 | 1364077956 | 0 |
| 81.78.45.133 | 1364077957 | 0 |
| 81.78.45.134 | 1364077958 | 0 |
| 81.78.45.135 | 1364077959 | 0 |
| 81.78.45.136 | 1364077960 | 0 |
| 81.78.45.137 | 1364077961 | 0 |
| 81.78.45.138 | 1364077962 | 0 |
| 81.78.45.139 | 1364077963 | 0 |
| 81.78.45.140 | 1364077964 | 0 |
| 81.78.45.141 | 1364077965 | 0 |
| 81.78.45.142 | 1364077966 | 0 |
| 81.78.45.143 | 1364077967 | 0 |
| 81.78.45.144 | 1364077968 | 0 |
| 81.78.45.145 | 1364077969 | 0 |
| 81.78.45.146 | 1364077970 | 0 |
| 81.78.45.147 | 1364077971 | 0 |
| 81.78.45.148 | 1364077972 | 0 |
| 81.78.45.149 | 1364077973 | 0 |
| 81.78.45.150 | 1364077974 | 0 |
| 81.78.45.151 | 1364077975 | 0 |
| 81.78.45.152 | 1364077976 | 0 |
| 81.78.45.153 | 1364077977 | 0 |
| 81.78.45.154 | 1364077978 | 0 |
| 81.78.45.155 | 1364077979 | 0 |
| 81.78.45.156 | 1364077980 | 0 |
| 81.78.45.157 | 1364077981 | 0 |
| 81.78.45.158 | 1364077982 | 0 |
| 81.78.45.159 | 1364077983 | 0 |
| 81.78.45.160 | 1364077984 | 0 |
| 81.78.45.161 | 1364077985 | 0 |
| 81.78.45.162 | 1364077986 | 0 |
| 81.78.45.163 | 1364077987 | 0 |
| 81.78.45.164 | 1364077988 | 0 |
| 81.78.45.165 | 1364077989 | 0 |
| 81.78.45.166 | 1364077990 | 0 |
| 81.78.45.167 | 1364077991 | 0 |
| 81.78.45.168 | 1364077992 | 0 |
| 81.78.45.169 | 1364077993 | 0 |
| 81.78.45.170 | 1364077994 | 0 |
| 81.78.45.171 | 1364077995 | 0 |
| IP | Numerical IP | DNS |
| 81.78.45.172 | 1364077996 | 0 |
| 81.78.45.173 | 1364077997 | 0 |
| 81.78.45.174 | 1364077998 | 0 |
| 81.78.45.175 | 1364077999 | 0 |
| 81.78.45.176 | 1364078000 | 0 |
| 81.78.45.177 | 1364078001 | 0 |
| 81.78.45.178 | 1364078002 | 0 |
| 81.78.45.179 | 1364078003 | 0 |
| 81.78.45.180 | 1364078004 | 0 |
| 81.78.45.181 | 1364078005 | 0 |
| 81.78.45.182 | 1364078006 | 0 |
| 81.78.45.183 | 1364078007 | 0 |
| 81.78.45.184 | 1364078008 | 0 |
| 81.78.45.185 | 1364078009 | 0 |
| 81.78.45.186 | 1364078010 | 0 |
| 81.78.45.187 | 1364078011 | 0 |
| 81.78.45.188 | 1364078012 | 0 |
| 81.78.45.189 | 1364078013 | 0 |
| 81.78.45.190 | 1364078014 | 0 |
| 81.78.45.191 | 1364078015 | 0 |
| 81.78.45.192 | 1364078016 | 0 |
| 81.78.45.193 | 1364078017 | 0 |
| 81.78.45.194 | 1364078018 | 0 |
| 81.78.45.195 | 1364078019 | 0 |
| 81.78.45.196 | 1364078020 | 0 |
| 81.78.45.197 | 1364078021 | 0 |
| 81.78.45.198 | 1364078022 | 0 |
| 81.78.45.199 | 1364078023 | 0 |
| 81.78.45.200 | 1364078024 | 0 |
| 81.78.45.201 | 1364078025 | 0 |
| 81.78.45.202 | 1364078026 | 0 |
| 81.78.45.203 | 1364078027 | 0 |
| 81.78.45.204 | 1364078028 | 0 |
| 81.78.45.205 | 1364078029 | 0 |
| 81.78.45.206 | 1364078030 | 0 |
| 81.78.45.207 | 1364078031 | 0 |
| 81.78.45.208 | 1364078032 | 0 |
| 81.78.45.209 | 1364078033 | 0 |
| 81.78.45.210 | 1364078034 | 0 |
| 81.78.45.211 | 1364078035 | 0 |
| 81.78.45.212 | 1364078036 | 0 |
| 81.78.45.213 | 1364078037 | 0 |
| 81.78.45.214 | 1364078038 | 0 |
| 81.78.45.215 | 1364078039 | 0 |
| 81.78.45.216 | 1364078040 | 0 |
| 81.78.45.217 | 1364078041 | 0 |
| 81.78.45.218 | 1364078042 | 0 |
| 81.78.45.219 | 1364078043 | 0 |
| 81.78.45.220 | 1364078044 | 0 |
| 81.78.45.221 | 1364078045 | 0 |
| 81.78.45.222 | 1364078046 | 0 |
| 81.78.45.223 | 1364078047 | 0 |
| 81.78.45.224 | 1364078048 | 0 |
| 81.78.45.225 | 1364078049 | 0 |
| 81.78.45.226 | 1364078050 | 0 |
| 81.78.45.227 | 1364078051 | 0 |
| 81.78.45.228 | 1364078052 | 0 |
| 81.78.45.229 | 1364078053 | 0 |
| 81.78.45.230 | 1364078054 | 0 |
| 81.78.45.231 | 1364078055 | 0 |
| 81.78.45.232 | 1364078056 | 0 |
| 81.78.45.233 | 1364078057 | 0 |
| 81.78.45.234 | 1364078058 | 0 |
| 81.78.45.235 | 1364078059 | 0 |
| 81.78.45.236 | 1364078060 | 0 |
| 81.78.45.237 | 1364078061 | 0 |
| 81.78.45.238 | 1364078062 | 0 |
| 81.78.45.239 | 1364078063 | 0 |
| 81.78.45.240 | 1364078064 | 0 |
| 81.78.45.241 | 1364078065 | 0 |
| 81.78.45.242 | 1364078066 | 0 |
| 81.78.45.243 | 1364078067 | 0 |
| 81.78.45.244 | 1364078068 | 0 |
| 81.78.45.245 | 1364078069 | 0 |
| 81.78.45.246 | 1364078070 | 0 |
| 81.78.45.247 | 1364078071 | 0 |
| 81.78.45.248 | 1364078072 | 0 |
| 81.78.45.249 | 1364078073 | 0 |
| 81.78.45.250 | 1364078074 | 0 |
| 81.78.45.251 | 1364078075 | 0 |
| 81.78.45.252 | 1364078076 | 0 |
| 81.78.45.253 | 1364078077 | 0 |
| 81.78.45.254 | 1364078078 | 0 |
| 81.78.45.255 | 1364078079 | 0 |