Les adresses IP débutant par 81.78.66 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 | 08/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | GB | Royaume-Uni | - | Leeds | 51,2468 | 0,6068 | 2017-07-08 |
| MaxMind | GB | Royaume-Uni | - | - | 51,4964 | -0,1224 | 2017-07-08 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.78.66.0 | 1364083200 | 0 |
| 81.78.66.1 | 1364083201 | 0 |
| 81.78.66.2 | 1364083202 | 0 |
| 81.78.66.3 | 1364083203 | 0 |
| 81.78.66.4 | 1364083204 | 0 |
| 81.78.66.5 | 1364083205 | 0 |
| 81.78.66.6 | 1364083206 | 0 |
| 81.78.66.7 | 1364083207 | 0 |
| 81.78.66.8 | 1364083208 | 0 |
| 81.78.66.9 | 1364083209 | 0 |
| 81.78.66.10 | 1364083210 | 0 |
| 81.78.66.11 | 1364083211 | 0 |
| 81.78.66.12 | 1364083212 | 0 |
| 81.78.66.13 | 1364083213 | 0 |
| 81.78.66.14 | 1364083214 | 0 |
| 81.78.66.15 | 1364083215 | 0 |
| 81.78.66.16 | 1364083216 | 0 |
| 81.78.66.17 | 1364083217 | 0 |
| 81.78.66.18 | 1364083218 | 0 |
| 81.78.66.19 | 1364083219 | 0 |
| 81.78.66.20 | 1364083220 | 0 |
| 81.78.66.21 | 1364083221 | 0 |
| 81.78.66.22 | 1364083222 | 0 |
| 81.78.66.23 | 1364083223 | 0 |
| 81.78.66.24 | 1364083224 | 0 |
| 81.78.66.25 | 1364083225 | 0 |
| 81.78.66.26 | 1364083226 | 0 |
| 81.78.66.27 | 1364083227 | 0 |
| 81.78.66.28 | 1364083228 | 0 |
| 81.78.66.29 | 1364083229 | 0 |
| 81.78.66.30 | 1364083230 | 0 |
| 81.78.66.31 | 1364083231 | 0 |
| 81.78.66.32 | 1364083232 | 0 |
| 81.78.66.33 | 1364083233 | 0 |
| 81.78.66.34 | 1364083234 | 0 |
| 81.78.66.35 | 1364083235 | 0 |
| 81.78.66.36 | 1364083236 | 0 |
| 81.78.66.37 | 1364083237 | 0 |
| 81.78.66.38 | 1364083238 | 0 |
| 81.78.66.39 | 1364083239 | 0 |
| 81.78.66.40 | 1364083240 | 0 |
| 81.78.66.41 | 1364083241 | 0 |
| 81.78.66.42 | 1364083242 | 0 |
| 81.78.66.43 | 1364083243 | 0 |
| 81.78.66.44 | 1364083244 | 0 |
| 81.78.66.45 | 1364083245 | 0 |
| 81.78.66.46 | 1364083246 | 0 |
| 81.78.66.47 | 1364083247 | 0 |
| 81.78.66.48 | 1364083248 | 0 |
| 81.78.66.49 | 1364083249 | 0 |
| 81.78.66.50 | 1364083250 | 0 |
| 81.78.66.51 | 1364083251 | 0 |
| 81.78.66.52 | 1364083252 | 0 |
| 81.78.66.53 | 1364083253 | 0 |
| 81.78.66.54 | 1364083254 | 0 |
| 81.78.66.55 | 1364083255 | 0 |
| 81.78.66.56 | 1364083256 | 0 |
| 81.78.66.57 | 1364083257 | 0 |
| 81.78.66.58 | 1364083258 | 0 |
| 81.78.66.59 | 1364083259 | 0 |
| 81.78.66.60 | 1364083260 | 0 |
| 81.78.66.61 | 1364083261 | 0 |
| 81.78.66.62 | 1364083262 | 0 |
| 81.78.66.63 | 1364083263 | 0 |
| 81.78.66.64 | 1364083264 | 0 |
| 81.78.66.65 | 1364083265 | 0 |
| 81.78.66.66 | 1364083266 | 0 |
| 81.78.66.67 | 1364083267 | 0 |
| 81.78.66.68 | 1364083268 | 0 |
| 81.78.66.69 | 1364083269 | 0 |
| 81.78.66.70 | 1364083270 | 0 |
| 81.78.66.71 | 1364083271 | 0 |
| 81.78.66.72 | 1364083272 | 0 |
| 81.78.66.73 | 1364083273 | 0 |
| 81.78.66.74 | 1364083274 | 0 |
| 81.78.66.75 | 1364083275 | 0 |
| 81.78.66.76 | 1364083276 | 0 |
| 81.78.66.77 | 1364083277 | 0 |
| 81.78.66.78 | 1364083278 | 0 |
| 81.78.66.79 | 1364083279 | 0 |
| 81.78.66.80 | 1364083280 | 0 |
| 81.78.66.81 | 1364083281 | 0 |
| 81.78.66.82 | 1364083282 | 0 |
| 81.78.66.83 | 1364083283 | 0 |
| 81.78.66.84 | 1364083284 | 0 |
| 81.78.66.85 | 1364083285 | 0 |
| IP | Numerical IP | DNS |
| 81.78.66.86 | 1364083286 | 0 |
| 81.78.66.87 | 1364083287 | 0 |
| 81.78.66.88 | 1364083288 | 0 |
| 81.78.66.89 | 1364083289 | 0 |
| 81.78.66.90 | 1364083290 | 0 |
| 81.78.66.91 | 1364083291 | 0 |
| 81.78.66.92 | 1364083292 | 0 |
| 81.78.66.93 | 1364083293 | 0 |
| 81.78.66.94 | 1364083294 | 0 |
| 81.78.66.95 | 1364083295 | 0 |
| 81.78.66.96 | 1364083296 | 0 |
| 81.78.66.97 | 1364083297 | 0 |
| 81.78.66.98 | 1364083298 | 0 |
| 81.78.66.99 | 1364083299 | 0 |
| 81.78.66.100 | 1364083300 | 0 |
| 81.78.66.101 | 1364083301 | 0 |
| 81.78.66.102 | 1364083302 | 0 |
| 81.78.66.103 | 1364083303 | 0 |
| 81.78.66.104 | 1364083304 | 0 |
| 81.78.66.105 | 1364083305 | 0 |
| 81.78.66.106 | 1364083306 | 0 |
| 81.78.66.107 | 1364083307 | 0 |
| 81.78.66.108 | 1364083308 | 0 |
| 81.78.66.109 | 1364083309 | 0 |
| 81.78.66.110 | 1364083310 | 0 |
| 81.78.66.111 | 1364083311 | 0 |
| 81.78.66.112 | 1364083312 | 0 |
| 81.78.66.113 | 1364083313 | 0 |
| 81.78.66.114 | 1364083314 | 0 |
| 81.78.66.115 | 1364083315 | 0 |
| 81.78.66.116 | 1364083316 | 0 |
| 81.78.66.117 | 1364083317 | 0 |
| 81.78.66.118 | 1364083318 | 0 |
| 81.78.66.119 | 1364083319 | 0 |
| 81.78.66.120 | 1364083320 | 0 |
| 81.78.66.121 | 1364083321 | 0 |
| 81.78.66.122 | 1364083322 | 0 |
| 81.78.66.123 | 1364083323 | 0 |
| 81.78.66.124 | 1364083324 | 0 |
| 81.78.66.125 | 1364083325 | 0 |
| 81.78.66.126 | 1364083326 | 0 |
| 81.78.66.127 | 1364083327 | 0 |
| 81.78.66.128 | 1364083328 | 0 |
| 81.78.66.129 | 1364083329 | 0 |
| 81.78.66.130 | 1364083330 | 0 |
| 81.78.66.131 | 1364083331 | 0 |
| 81.78.66.132 | 1364083332 | 0 |
| 81.78.66.133 | 1364083333 | 0 |
| 81.78.66.134 | 1364083334 | 0 |
| 81.78.66.135 | 1364083335 | 0 |
| 81.78.66.136 | 1364083336 | 0 |
| 81.78.66.137 | 1364083337 | 0 |
| 81.78.66.138 | 1364083338 | 0 |
| 81.78.66.139 | 1364083339 | 0 |
| 81.78.66.140 | 1364083340 | 0 |
| 81.78.66.141 | 1364083341 | 0 |
| 81.78.66.142 | 1364083342 | 0 |
| 81.78.66.143 | 1364083343 | 0 |
| 81.78.66.144 | 1364083344 | 0 |
| 81.78.66.145 | 1364083345 | 0 |
| 81.78.66.146 | 1364083346 | 0 |
| 81.78.66.147 | 1364083347 | 0 |
| 81.78.66.148 | 1364083348 | 0 |
| 81.78.66.149 | 1364083349 | 0 |
| 81.78.66.150 | 1364083350 | 0 |
| 81.78.66.151 | 1364083351 | 0 |
| 81.78.66.152 | 1364083352 | 0 |
| 81.78.66.153 | 1364083353 | 0 |
| 81.78.66.154 | 1364083354 | 0 |
| 81.78.66.155 | 1364083355 | 0 |
| 81.78.66.156 | 1364083356 | 0 |
| 81.78.66.157 | 1364083357 | 0 |
| 81.78.66.158 | 1364083358 | 0 |
| 81.78.66.159 | 1364083359 | 0 |
| 81.78.66.160 | 1364083360 | 0 |
| 81.78.66.161 | 1364083361 | 0 |
| 81.78.66.162 | 1364083362 | 0 |
| 81.78.66.163 | 1364083363 | 0 |
| 81.78.66.164 | 1364083364 | 0 |
| 81.78.66.165 | 1364083365 | 0 |
| 81.78.66.166 | 1364083366 | 0 |
| 81.78.66.167 | 1364083367 | 0 |
| 81.78.66.168 | 1364083368 | 0 |
| 81.78.66.169 | 1364083369 | 0 |
| 81.78.66.170 | 1364083370 | 0 |
| 81.78.66.171 | 1364083371 | 0 |
| IP | Numerical IP | DNS |
| 81.78.66.172 | 1364083372 | 0 |
| 81.78.66.173 | 1364083373 | 0 |
| 81.78.66.174 | 1364083374 | 0 |
| 81.78.66.175 | 1364083375 | 0 |
| 81.78.66.176 | 1364083376 | 0 |
| 81.78.66.177 | 1364083377 | 0 |
| 81.78.66.178 | 1364083378 | 0 |
| 81.78.66.179 | 1364083379 | 0 |
| 81.78.66.180 | 1364083380 | 0 |
| 81.78.66.181 | 1364083381 | 0 |
| 81.78.66.182 | 1364083382 | 0 |
| 81.78.66.183 | 1364083383 | 0 |
| 81.78.66.184 | 1364083384 | 0 |
| 81.78.66.185 | 1364083385 | 0 |
| 81.78.66.186 | 1364083386 | 0 |
| 81.78.66.187 | 1364083387 | 0 |
| 81.78.66.188 | 1364083388 | 0 |
| 81.78.66.189 | 1364083389 | 0 |
| 81.78.66.190 | 1364083390 | 0 |
| 81.78.66.191 | 1364083391 | 0 |
| 81.78.66.192 | 1364083392 | 0 |
| 81.78.66.193 | 1364083393 | 0 |
| 81.78.66.194 | 1364083394 | 0 |
| 81.78.66.195 | 1364083395 | 0 |
| 81.78.66.196 | 1364083396 | 0 |
| 81.78.66.197 | 1364083397 | 0 |
| 81.78.66.198 | 1364083398 | 0 |
| 81.78.66.199 | 1364083399 | 0 |
| 81.78.66.200 | 1364083400 | 0 |
| 81.78.66.201 | 1364083401 | 0 |
| 81.78.66.202 | 1364083402 | 0 |
| 81.78.66.203 | 1364083403 | 0 |
| 81.78.66.204 | 1364083404 | 0 |
| 81.78.66.205 | 1364083405 | 0 |
| 81.78.66.206 | 1364083406 | 0 |
| 81.78.66.207 | 1364083407 | 0 |
| 81.78.66.208 | 1364083408 | 0 |
| 81.78.66.209 | 1364083409 | 0 |
| 81.78.66.210 | 1364083410 | 0 |
| 81.78.66.211 | 1364083411 | 0 |
| 81.78.66.212 | 1364083412 | 0 |
| 81.78.66.213 | 1364083413 | 0 |
| 81.78.66.214 | 1364083414 | 0 |
| 81.78.66.215 | 1364083415 | 0 |
| 81.78.66.216 | 1364083416 | 0 |
| 81.78.66.217 | 1364083417 | 0 |
| 81.78.66.218 | 1364083418 | 0 |
| 81.78.66.219 | 1364083419 | 0 |
| 81.78.66.220 | 1364083420 | 0 |
| 81.78.66.221 | 1364083421 | 0 |
| 81.78.66.222 | 1364083422 | 0 |
| 81.78.66.223 | 1364083423 | 0 |
| 81.78.66.224 | 1364083424 | 0 |
| 81.78.66.225 | 1364083425 | 0 |
| 81.78.66.226 | 1364083426 | 0 |
| 81.78.66.227 | 1364083427 | 0 |
| 81.78.66.228 | 1364083428 | 0 |
| 81.78.66.229 | 1364083429 | 0 |
| 81.78.66.230 | 1364083430 | 0 |
| 81.78.66.231 | 1364083431 | 0 |
| 81.78.66.232 | 1364083432 | 0 |
| 81.78.66.233 | 1364083433 | 0 |
| 81.78.66.234 | 1364083434 | 0 |
| 81.78.66.235 | 1364083435 | 0 |
| 81.78.66.236 | 1364083436 | 0 |
| 81.78.66.237 | 1364083437 | 0 |
| 81.78.66.238 | 1364083438 | 0 |
| 81.78.66.239 | 1364083439 | 0 |
| 81.78.66.240 | 1364083440 | 0 |
| 81.78.66.241 | 1364083441 | 0 |
| 81.78.66.242 | 1364083442 | 0 |
| 81.78.66.243 | 1364083443 | 0 |
| 81.78.66.244 | 1364083444 | 0 |
| 81.78.66.245 | 1364083445 | 0 |
| 81.78.66.246 | 1364083446 | 0 |
| 81.78.66.247 | 1364083447 | 0 |
| 81.78.66.248 | 1364083448 | 0 |
| 81.78.66.249 | 1364083449 | 0 |
| 81.78.66.250 | 1364083450 | 0 |
| 81.78.66.251 | 1364083451 | 0 |
| 81.78.66.252 | 1364083452 | 0 |
| 81.78.66.253 | 1364083453 | 0 |
| 81.78.66.254 | 1364083454 | 0 |
| 81.78.66.255 | 1364083455 | 0 |