Les adresses IP débutant par 81.78.3 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 | 30/11/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | GB | Royaume-Uni | - | Cockfosters | 51,6493 | -0,1482 | 2018-11-30 |
| MaxMind | FR | France | - | - | 48,8582 | 2,3387 | 2018-11-30 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.78.3.0 | 1364067072 | 0 |
| 81.78.3.1 | 1364067073 | 0 |
| 81.78.3.2 | 1364067074 | 0 |
| 81.78.3.3 | 1364067075 | 0 |
| 81.78.3.4 | 1364067076 | 0 |
| 81.78.3.5 | 1364067077 | 0 |
| 81.78.3.6 | 1364067078 | 0 |
| 81.78.3.7 | 1364067079 | 0 |
| 81.78.3.8 | 1364067080 | 0 |
| 81.78.3.9 | 1364067081 | 0 |
| 81.78.3.10 | 1364067082 | 0 |
| 81.78.3.11 | 1364067083 | 0 |
| 81.78.3.12 | 1364067084 | 0 |
| 81.78.3.13 | 1364067085 | 0 |
| 81.78.3.14 | 1364067086 | 0 |
| 81.78.3.15 | 1364067087 | 0 |
| 81.78.3.16 | 1364067088 | 0 |
| 81.78.3.17 | 1364067089 | 0 |
| 81.78.3.18 | 1364067090 | 0 |
| 81.78.3.19 | 1364067091 | 0 |
| 81.78.3.20 | 1364067092 | 0 |
| 81.78.3.21 | 1364067093 | 0 |
| 81.78.3.22 | 1364067094 | 0 |
| 81.78.3.23 | 1364067095 | 0 |
| 81.78.3.24 | 1364067096 | 0 |
| 81.78.3.25 | 1364067097 | 0 |
| 81.78.3.26 | 1364067098 | 0 |
| 81.78.3.27 | 1364067099 | 0 |
| 81.78.3.28 | 1364067100 | 0 |
| 81.78.3.29 | 1364067101 | 0 |
| 81.78.3.30 | 1364067102 | 0 |
| 81.78.3.31 | 1364067103 | 0 |
| 81.78.3.32 | 1364067104 | 0 |
| 81.78.3.33 | 1364067105 | 0 |
| 81.78.3.34 | 1364067106 | 0 |
| 81.78.3.35 | 1364067107 | 0 |
| 81.78.3.36 | 1364067108 | 0 |
| 81.78.3.37 | 1364067109 | 0 |
| 81.78.3.38 | 1364067110 | 0 |
| 81.78.3.39 | 1364067111 | 0 |
| 81.78.3.40 | 1364067112 | 0 |
| 81.78.3.41 | 1364067113 | 0 |
| 81.78.3.42 | 1364067114 | 0 |
| 81.78.3.43 | 1364067115 | 0 |
| 81.78.3.44 | 1364067116 | 0 |
| 81.78.3.45 | 1364067117 | 0 |
| 81.78.3.46 | 1364067118 | 0 |
| 81.78.3.47 | 1364067119 | 0 |
| 81.78.3.48 | 1364067120 | 0 |
| 81.78.3.49 | 1364067121 | 0 |
| 81.78.3.50 | 1364067122 | 0 |
| 81.78.3.51 | 1364067123 | 0 |
| 81.78.3.52 | 1364067124 | 0 |
| 81.78.3.53 | 1364067125 | 0 |
| 81.78.3.54 | 1364067126 | 0 |
| 81.78.3.55 | 1364067127 | 0 |
| 81.78.3.56 | 1364067128 | 0 |
| 81.78.3.57 | 1364067129 | 0 |
| 81.78.3.58 | 1364067130 | 0 |
| 81.78.3.59 | 1364067131 | 0 |
| 81.78.3.60 | 1364067132 | 0 |
| 81.78.3.61 | 1364067133 | 0 |
| 81.78.3.62 | 1364067134 | 0 |
| 81.78.3.63 | 1364067135 | 0 |
| 81.78.3.64 | 1364067136 | 0 |
| 81.78.3.65 | 1364067137 | 0 |
| 81.78.3.66 | 1364067138 | 0 |
| 81.78.3.67 | 1364067139 | 0 |
| 81.78.3.68 | 1364067140 | 0 |
| 81.78.3.69 | 1364067141 | 0 |
| 81.78.3.70 | 1364067142 | 0 |
| 81.78.3.71 | 1364067143 | 0 |
| 81.78.3.72 | 1364067144 | 0 |
| 81.78.3.73 | 1364067145 | 0 |
| 81.78.3.74 | 1364067146 | 0 |
| 81.78.3.75 | 1364067147 | 0 |
| 81.78.3.76 | 1364067148 | 0 |
| 81.78.3.77 | 1364067149 | 0 |
| 81.78.3.78 | 1364067150 | 0 |
| 81.78.3.79 | 1364067151 | 0 |
| 81.78.3.80 | 1364067152 | 0 |
| 81.78.3.81 | 1364067153 | 0 |
| 81.78.3.82 | 1364067154 | 0 |
| 81.78.3.83 | 1364067155 | 0 |
| 81.78.3.84 | 1364067156 | 0 |
| 81.78.3.85 | 1364067157 | 0 |
| IP | Numerical IP | DNS |
| 81.78.3.86 | 1364067158 | 0 |
| 81.78.3.87 | 1364067159 | 0 |
| 81.78.3.88 | 1364067160 | 0 |
| 81.78.3.89 | 1364067161 | 0 |
| 81.78.3.90 | 1364067162 | 0 |
| 81.78.3.91 | 1364067163 | 0 |
| 81.78.3.92 | 1364067164 | 0 |
| 81.78.3.93 | 1364067165 | 0 |
| 81.78.3.94 | 1364067166 | 0 |
| 81.78.3.95 | 1364067167 | 0 |
| 81.78.3.96 | 1364067168 | 0 |
| 81.78.3.97 | 1364067169 | 0 |
| 81.78.3.98 | 1364067170 | 0 |
| 81.78.3.99 | 1364067171 | 0 |
| 81.78.3.100 | 1364067172 | 0 |
| 81.78.3.101 | 1364067173 | 0 |
| 81.78.3.102 | 1364067174 | 0 |
| 81.78.3.103 | 1364067175 | 0 |
| 81.78.3.104 | 1364067176 | 0 |
| 81.78.3.105 | 1364067177 | 0 |
| 81.78.3.106 | 1364067178 | 0 |
| 81.78.3.107 | 1364067179 | 0 |
| 81.78.3.108 | 1364067180 | 0 |
| 81.78.3.109 | 1364067181 | 0 |
| 81.78.3.110 | 1364067182 | 0 |
| 81.78.3.111 | 1364067183 | 0 |
| 81.78.3.112 | 1364067184 | 0 |
| 81.78.3.113 | 1364067185 | 0 |
| 81.78.3.114 | 1364067186 | 0 |
| 81.78.3.115 | 1364067187 | 0 |
| 81.78.3.116 | 1364067188 | 0 |
| 81.78.3.117 | 1364067189 | 0 |
| 81.78.3.118 | 1364067190 | 0 |
| 81.78.3.119 | 1364067191 | 0 |
| 81.78.3.120 | 1364067192 | 0 |
| 81.78.3.121 | 1364067193 | 0 |
| 81.78.3.122 | 1364067194 | 0 |
| 81.78.3.123 | 1364067195 | 0 |
| 81.78.3.124 | 1364067196 | 0 |
| 81.78.3.125 | 1364067197 | 0 |
| 81.78.3.126 | 1364067198 | 0 |
| 81.78.3.127 | 1364067199 | 0 |
| 81.78.3.128 | 1364067200 | 0 |
| 81.78.3.129 | 1364067201 | 0 |
| 81.78.3.130 | 1364067202 | 0 |
| 81.78.3.131 | 1364067203 | 0 |
| 81.78.3.132 | 1364067204 | 0 |
| 81.78.3.133 | 1364067205 | 0 |
| 81.78.3.134 | 1364067206 | 0 |
| 81.78.3.135 | 1364067207 | 0 |
| 81.78.3.136 | 1364067208 | 0 |
| 81.78.3.137 | 1364067209 | 0 |
| 81.78.3.138 | 1364067210 | 0 |
| 81.78.3.139 | 1364067211 | 0 |
| 81.78.3.140 | 1364067212 | 0 |
| 81.78.3.141 | 1364067213 | 0 |
| 81.78.3.142 | 1364067214 | 0 |
| 81.78.3.143 | 1364067215 | 0 |
| 81.78.3.144 | 1364067216 | 0 |
| 81.78.3.145 | 1364067217 | 0 |
| 81.78.3.146 | 1364067218 | 0 |
| 81.78.3.147 | 1364067219 | 0 |
| 81.78.3.148 | 1364067220 | 0 |
| 81.78.3.149 | 1364067221 | 0 |
| 81.78.3.150 | 1364067222 | 0 |
| 81.78.3.151 | 1364067223 | 0 |
| 81.78.3.152 | 1364067224 | 0 |
| 81.78.3.153 | 1364067225 | 0 |
| 81.78.3.154 | 1364067226 | 0 |
| 81.78.3.155 | 1364067227 | 0 |
| 81.78.3.156 | 1364067228 | 0 |
| 81.78.3.157 | 1364067229 | 0 |
| 81.78.3.158 | 1364067230 | 0 |
| 81.78.3.159 | 1364067231 | 0 |
| 81.78.3.160 | 1364067232 | 0 |
| 81.78.3.161 | 1364067233 | 0 |
| 81.78.3.162 | 1364067234 | 0 |
| 81.78.3.163 | 1364067235 | 0 |
| 81.78.3.164 | 1364067236 | 0 |
| 81.78.3.165 | 1364067237 | 0 |
| 81.78.3.166 | 1364067238 | 0 |
| 81.78.3.167 | 1364067239 | 0 |
| 81.78.3.168 | 1364067240 | 0 |
| 81.78.3.169 | 1364067241 | 0 |
| 81.78.3.170 | 1364067242 | 0 |
| 81.78.3.171 | 1364067243 | 0 |
| IP | Numerical IP | DNS |
| 81.78.3.172 | 1364067244 | 0 |
| 81.78.3.173 | 1364067245 | 0 |
| 81.78.3.174 | 1364067246 | 0 |
| 81.78.3.175 | 1364067247 | 0 |
| 81.78.3.176 | 1364067248 | 0 |
| 81.78.3.177 | 1364067249 | 0 |
| 81.78.3.178 | 1364067250 | 0 |
| 81.78.3.179 | 1364067251 | 0 |
| 81.78.3.180 | 1364067252 | 0 |
| 81.78.3.181 | 1364067253 | 0 |
| 81.78.3.182 | 1364067254 | 0 |
| 81.78.3.183 | 1364067255 | 0 |
| 81.78.3.184 | 1364067256 | 0 |
| 81.78.3.185 | 1364067257 | 0 |
| 81.78.3.186 | 1364067258 | 0 |
| 81.78.3.187 | 1364067259 | 0 |
| 81.78.3.188 | 1364067260 | 0 |
| 81.78.3.189 | 1364067261 | 0 |
| 81.78.3.190 | 1364067262 | 0 |
| 81.78.3.191 | 1364067263 | 0 |
| 81.78.3.192 | 1364067264 | 0 |
| 81.78.3.193 | 1364067265 | 0 |
| 81.78.3.194 | 1364067266 | 0 |
| 81.78.3.195 | 1364067267 | 0 |
| 81.78.3.196 | 1364067268 | 0 |
| 81.78.3.197 | 1364067269 | 0 |
| 81.78.3.198 | 1364067270 | 0 |
| 81.78.3.199 | 1364067271 | 0 |
| 81.78.3.200 | 1364067272 | 0 |
| 81.78.3.201 | 1364067273 | 0 |
| 81.78.3.202 | 1364067274 | 0 |
| 81.78.3.203 | 1364067275 | 0 |
| 81.78.3.204 | 1364067276 | 0 |
| 81.78.3.205 | 1364067277 | 0 |
| 81.78.3.206 | 1364067278 | 0 |
| 81.78.3.207 | 1364067279 | 0 |
| 81.78.3.208 | 1364067280 | 0 |
| 81.78.3.209 | 1364067281 | 0 |
| 81.78.3.210 | 1364067282 | 0 |
| 81.78.3.211 | 1364067283 | 0 |
| 81.78.3.212 | 1364067284 | 0 |
| 81.78.3.213 | 1364067285 | 0 |
| 81.78.3.214 | 1364067286 | 0 |
| 81.78.3.215 | 1364067287 | 0 |
| 81.78.3.216 | 1364067288 | 0 |
| 81.78.3.217 | 1364067289 | 0 |
| 81.78.3.218 | 1364067290 | 0 |
| 81.78.3.219 | 1364067291 | 0 |
| 81.78.3.220 | 1364067292 | 0 |
| 81.78.3.221 | 1364067293 | 0 |
| 81.78.3.222 | 1364067294 | 0 |
| 81.78.3.223 | 1364067295 | 0 |
| 81.78.3.224 | 1364067296 | 0 |
| 81.78.3.225 | 1364067297 | 0 |
| 81.78.3.226 | 1364067298 | 0 |
| 81.78.3.227 | 1364067299 | 0 |
| 81.78.3.228 | 1364067300 | 0 |
| 81.78.3.229 | 1364067301 | 0 |
| 81.78.3.230 | 1364067302 | 0 |
| 81.78.3.231 | 1364067303 | 0 |
| 81.78.3.232 | 1364067304 | 0 |
| 81.78.3.233 | 1364067305 | 0 |
| 81.78.3.234 | 1364067306 | 0 |
| 81.78.3.235 | 1364067307 | 0 |
| 81.78.3.236 | 1364067308 | 0 |
| 81.78.3.237 | 1364067309 | 0 |
| 81.78.3.238 | 1364067310 | 0 |
| 81.78.3.239 | 1364067311 | 0 |
| 81.78.3.240 | 1364067312 | 0 |
| 81.78.3.241 | 1364067313 | 0 |
| 81.78.3.242 | 1364067314 | 0 |
| 81.78.3.243 | 1364067315 | 0 |
| 81.78.3.244 | 1364067316 | 0 |
| 81.78.3.245 | 1364067317 | 0 |
| 81.78.3.246 | 1364067318 | 0 |
| 81.78.3.247 | 1364067319 | 0 |
| 81.78.3.248 | 1364067320 | 0 |
| 81.78.3.249 | 1364067321 | 0 |
| 81.78.3.250 | 1364067322 | 0 |
| 81.78.3.251 | 1364067323 | 0 |
| 81.78.3.252 | 1364067324 | 0 |
| 81.78.3.253 | 1364067325 | 0 |
| 81.78.3.254 | 1364067326 | 0 |
| 81.78.3.255 | 1364067327 | 0 |