L'indirizzo IP 81.77.45 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 | 15/02/2018 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | GB | United Kingdom | - | Leeds | 51,2468 | 0,6068 | 2018-02-14 |
| MaxMind | GB | United Kingdom | - | - | 51,4964 | -0,1224 | 2018-02-14 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.77.45.0 | 1364012288 | 0 |
| 81.77.45.1 | 1364012289 | 0 |
| 81.77.45.2 | 1364012290 | 0 |
| 81.77.45.3 | 1364012291 | 0 |
| 81.77.45.4 | 1364012292 | 0 |
| 81.77.45.5 | 1364012293 | 0 |
| 81.77.45.6 | 1364012294 | 0 |
| 81.77.45.7 | 1364012295 | 0 |
| 81.77.45.8 | 1364012296 | 0 |
| 81.77.45.9 | 1364012297 | 0 |
| 81.77.45.10 | 1364012298 | 0 |
| 81.77.45.11 | 1364012299 | 0 |
| 81.77.45.12 | 1364012300 | 0 |
| 81.77.45.13 | 1364012301 | 0 |
| 81.77.45.14 | 1364012302 | 0 |
| 81.77.45.15 | 1364012303 | 0 |
| 81.77.45.16 | 1364012304 | 0 |
| 81.77.45.17 | 1364012305 | 0 |
| 81.77.45.18 | 1364012306 | 0 |
| 81.77.45.19 | 1364012307 | 0 |
| 81.77.45.20 | 1364012308 | 0 |
| 81.77.45.21 | 1364012309 | 0 |
| 81.77.45.22 | 1364012310 | 0 |
| 81.77.45.23 | 1364012311 | 0 |
| 81.77.45.24 | 1364012312 | 0 |
| 81.77.45.25 | 1364012313 | 0 |
| 81.77.45.26 | 1364012314 | 0 |
| 81.77.45.27 | 1364012315 | 0 |
| 81.77.45.28 | 1364012316 | 0 |
| 81.77.45.29 | 1364012317 | 0 |
| 81.77.45.30 | 1364012318 | 0 |
| 81.77.45.31 | 1364012319 | 0 |
| 81.77.45.32 | 1364012320 | 0 |
| 81.77.45.33 | 1364012321 | 0 |
| 81.77.45.34 | 1364012322 | 0 |
| 81.77.45.35 | 1364012323 | 0 |
| 81.77.45.36 | 1364012324 | 0 |
| 81.77.45.37 | 1364012325 | 0 |
| 81.77.45.38 | 1364012326 | 0 |
| 81.77.45.39 | 1364012327 | 0 |
| 81.77.45.40 | 1364012328 | 0 |
| 81.77.45.41 | 1364012329 | 0 |
| 81.77.45.42 | 1364012330 | 0 |
| 81.77.45.43 | 1364012331 | 0 |
| 81.77.45.44 | 1364012332 | 0 |
| 81.77.45.45 | 1364012333 | 0 |
| 81.77.45.46 | 1364012334 | 0 |
| 81.77.45.47 | 1364012335 | 0 |
| 81.77.45.48 | 1364012336 | 0 |
| 81.77.45.49 | 1364012337 | 0 |
| 81.77.45.50 | 1364012338 | 0 |
| 81.77.45.51 | 1364012339 | 0 |
| 81.77.45.52 | 1364012340 | 0 |
| 81.77.45.53 | 1364012341 | 0 |
| 81.77.45.54 | 1364012342 | 0 |
| 81.77.45.55 | 1364012343 | 0 |
| 81.77.45.56 | 1364012344 | 0 |
| 81.77.45.57 | 1364012345 | 0 |
| 81.77.45.58 | 1364012346 | 0 |
| 81.77.45.59 | 1364012347 | 0 |
| 81.77.45.60 | 1364012348 | 0 |
| 81.77.45.61 | 1364012349 | 0 |
| 81.77.45.62 | 1364012350 | 0 |
| 81.77.45.63 | 1364012351 | 0 |
| 81.77.45.64 | 1364012352 | 0 |
| 81.77.45.65 | 1364012353 | 0 |
| 81.77.45.66 | 1364012354 | 0 |
| 81.77.45.67 | 1364012355 | 0 |
| 81.77.45.68 | 1364012356 | 0 |
| 81.77.45.69 | 1364012357 | 0 |
| 81.77.45.70 | 1364012358 | 0 |
| 81.77.45.71 | 1364012359 | 0 |
| 81.77.45.72 | 1364012360 | 0 |
| 81.77.45.73 | 1364012361 | 0 |
| 81.77.45.74 | 1364012362 | 0 |
| 81.77.45.75 | 1364012363 | 0 |
| 81.77.45.76 | 1364012364 | 0 |
| 81.77.45.77 | 1364012365 | 0 |
| 81.77.45.78 | 1364012366 | 0 |
| 81.77.45.79 | 1364012367 | 0 |
| 81.77.45.80 | 1364012368 | 0 |
| 81.77.45.81 | 1364012369 | 0 |
| 81.77.45.82 | 1364012370 | 0 |
| 81.77.45.83 | 1364012371 | 0 |
| 81.77.45.84 | 1364012372 | 0 |
| 81.77.45.85 | 1364012373 | 0 |
| IP | Numerical IP | DNS |
| 81.77.45.86 | 1364012374 | 0 |
| 81.77.45.87 | 1364012375 | 0 |
| 81.77.45.88 | 1364012376 | 0 |
| 81.77.45.89 | 1364012377 | 0 |
| 81.77.45.90 | 1364012378 | 0 |
| 81.77.45.91 | 1364012379 | 0 |
| 81.77.45.92 | 1364012380 | 0 |
| 81.77.45.93 | 1364012381 | 0 |
| 81.77.45.94 | 1364012382 | 0 |
| 81.77.45.95 | 1364012383 | 0 |
| 81.77.45.96 | 1364012384 | 0 |
| 81.77.45.97 | 1364012385 | 0 |
| 81.77.45.98 | 1364012386 | 0 |
| 81.77.45.99 | 1364012387 | 0 |
| 81.77.45.100 | 1364012388 | 0 |
| 81.77.45.101 | 1364012389 | 0 |
| 81.77.45.102 | 1364012390 | 0 |
| 81.77.45.103 | 1364012391 | 0 |
| 81.77.45.104 | 1364012392 | 0 |
| 81.77.45.105 | 1364012393 | 0 |
| 81.77.45.106 | 1364012394 | 0 |
| 81.77.45.107 | 1364012395 | 0 |
| 81.77.45.108 | 1364012396 | 0 |
| 81.77.45.109 | 1364012397 | 0 |
| 81.77.45.110 | 1364012398 | 0 |
| 81.77.45.111 | 1364012399 | 0 |
| 81.77.45.112 | 1364012400 | 0 |
| 81.77.45.113 | 1364012401 | 0 |
| 81.77.45.114 | 1364012402 | 0 |
| 81.77.45.115 | 1364012403 | 0 |
| 81.77.45.116 | 1364012404 | 0 |
| 81.77.45.117 | 1364012405 | 0 |
| 81.77.45.118 | 1364012406 | 0 |
| 81.77.45.119 | 1364012407 | 0 |
| 81.77.45.120 | 1364012408 | 0 |
| 81.77.45.121 | 1364012409 | 0 |
| 81.77.45.122 | 1364012410 | 0 |
| 81.77.45.123 | 1364012411 | 0 |
| 81.77.45.124 | 1364012412 | 0 |
| 81.77.45.125 | 1364012413 | 0 |
| 81.77.45.126 | 1364012414 | 0 |
| 81.77.45.127 | 1364012415 | 0 |
| 81.77.45.128 | 1364012416 | 0 |
| 81.77.45.129 | 1364012417 | 0 |
| 81.77.45.130 | 1364012418 | 0 |
| 81.77.45.131 | 1364012419 | 0 |
| 81.77.45.132 | 1364012420 | 0 |
| 81.77.45.133 | 1364012421 | 0 |
| 81.77.45.134 | 1364012422 | 0 |
| 81.77.45.135 | 1364012423 | 0 |
| 81.77.45.136 | 1364012424 | 0 |
| 81.77.45.137 | 1364012425 | 0 |
| 81.77.45.138 | 1364012426 | 0 |
| 81.77.45.139 | 1364012427 | 0 |
| 81.77.45.140 | 1364012428 | 0 |
| 81.77.45.141 | 1364012429 | 0 |
| 81.77.45.142 | 1364012430 | 0 |
| 81.77.45.143 | 1364012431 | 0 |
| 81.77.45.144 | 1364012432 | 0 |
| 81.77.45.145 | 1364012433 | 0 |
| 81.77.45.146 | 1364012434 | 0 |
| 81.77.45.147 | 1364012435 | 0 |
| 81.77.45.148 | 1364012436 | 0 |
| 81.77.45.149 | 1364012437 | 0 |
| 81.77.45.150 | 1364012438 | 0 |
| 81.77.45.151 | 1364012439 | 0 |
| 81.77.45.152 | 1364012440 | 0 |
| 81.77.45.153 | 1364012441 | 0 |
| 81.77.45.154 | 1364012442 | 0 |
| 81.77.45.155 | 1364012443 | 0 |
| 81.77.45.156 | 1364012444 | 0 |
| 81.77.45.157 | 1364012445 | 0 |
| 81.77.45.158 | 1364012446 | 0 |
| 81.77.45.159 | 1364012447 | 0 |
| 81.77.45.160 | 1364012448 | 0 |
| 81.77.45.161 | 1364012449 | 0 |
| 81.77.45.162 | 1364012450 | 0 |
| 81.77.45.163 | 1364012451 | 0 |
| 81.77.45.164 | 1364012452 | 0 |
| 81.77.45.165 | 1364012453 | 0 |
| 81.77.45.166 | 1364012454 | 0 |
| 81.77.45.167 | 1364012455 | 0 |
| 81.77.45.168 | 1364012456 | 0 |
| 81.77.45.169 | 1364012457 | 0 |
| 81.77.45.170 | 1364012458 | 0 |
| 81.77.45.171 | 1364012459 | 0 |
| IP | Numerical IP | DNS |
| 81.77.45.172 | 1364012460 | 0 |
| 81.77.45.173 | 1364012461 | 0 |
| 81.77.45.174 | 1364012462 | 0 |
| 81.77.45.175 | 1364012463 | 0 |
| 81.77.45.176 | 1364012464 | 0 |
| 81.77.45.177 | 1364012465 | 0 |
| 81.77.45.178 | 1364012466 | 0 |
| 81.77.45.179 | 1364012467 | 0 |
| 81.77.45.180 | 1364012468 | 0 |
| 81.77.45.181 | 1364012469 | 0 |
| 81.77.45.182 | 1364012470 | 0 |
| 81.77.45.183 | 1364012471 | 0 |
| 81.77.45.184 | 1364012472 | 0 |
| 81.77.45.185 | 1364012473 | 0 |
| 81.77.45.186 | 1364012474 | 0 |
| 81.77.45.187 | 1364012475 | 0 |
| 81.77.45.188 | 1364012476 | 0 |
| 81.77.45.189 | 1364012477 | 0 |
| 81.77.45.190 | 1364012478 | 0 |
| 81.77.45.191 | 1364012479 | 0 |
| 81.77.45.192 | 1364012480 | 0 |
| 81.77.45.193 | 1364012481 | 0 |
| 81.77.45.194 | 1364012482 | 0 |
| 81.77.45.195 | 1364012483 | 0 |
| 81.77.45.196 | 1364012484 | 0 |
| 81.77.45.197 | 1364012485 | 0 |
| 81.77.45.198 | 1364012486 | 0 |
| 81.77.45.199 | 1364012487 | 0 |
| 81.77.45.200 | 1364012488 | 0 |
| 81.77.45.201 | 1364012489 | 0 |
| 81.77.45.202 | 1364012490 | 0 |
| 81.77.45.203 | 1364012491 | 0 |
| 81.77.45.204 | 1364012492 | 0 |
| 81.77.45.205 | 1364012493 | 0 |
| 81.77.45.206 | 1364012494 | 0 |
| 81.77.45.207 | 1364012495 | 0 |
| 81.77.45.208 | 1364012496 | 0 |
| 81.77.45.209 | 1364012497 | 0 |
| 81.77.45.210 | 1364012498 | 0 |
| 81.77.45.211 | 1364012499 | 0 |
| 81.77.45.212 | 1364012500 | 0 |
| 81.77.45.213 | 1364012501 | 0 |
| 81.77.45.214 | 1364012502 | 0 |
| 81.77.45.215 | 1364012503 | 0 |
| 81.77.45.216 | 1364012504 | 0 |
| 81.77.45.217 | 1364012505 | 0 |
| 81.77.45.218 | 1364012506 | 0 |
| 81.77.45.219 | 1364012507 | 0 |
| 81.77.45.220 | 1364012508 | 0 |
| 81.77.45.221 | 1364012509 | 0 |
| 81.77.45.222 | 1364012510 | 0 |
| 81.77.45.223 | 1364012511 | 0 |
| 81.77.45.224 | 1364012512 | 0 |
| 81.77.45.225 | 1364012513 | 0 |
| 81.77.45.226 | 1364012514 | 0 |
| 81.77.45.227 | 1364012515 | 0 |
| 81.77.45.228 | 1364012516 | 0 |
| 81.77.45.229 | 1364012517 | 0 |
| 81.77.45.230 | 1364012518 | 0 |
| 81.77.45.231 | 1364012519 | 0 |
| 81.77.45.232 | 1364012520 | 0 |
| 81.77.45.233 | 1364012521 | 0 |
| 81.77.45.234 | 1364012522 | 0 |
| 81.77.45.235 | 1364012523 | 0 |
| 81.77.45.236 | 1364012524 | 0 |
| 81.77.45.237 | 1364012525 | 0 |
| 81.77.45.238 | 1364012526 | 0 |
| 81.77.45.239 | 1364012527 | 0 |
| 81.77.45.240 | 1364012528 | 0 |
| 81.77.45.241 | 1364012529 | 0 |
| 81.77.45.242 | 1364012530 | 0 |
| 81.77.45.243 | 1364012531 | 0 |
| 81.77.45.244 | 1364012532 | 0 |
| 81.77.45.245 | 1364012533 | 0 |
| 81.77.45.246 | 1364012534 | 0 |
| 81.77.45.247 | 1364012535 | 0 |
| 81.77.45.248 | 1364012536 | 0 |
| 81.77.45.249 | 1364012537 | 0 |
| 81.77.45.250 | 1364012538 | 0 |
| 81.77.45.251 | 1364012539 | 0 |
| 81.77.45.252 | 1364012540 | 0 |
| 81.77.45.253 | 1364012541 | 0 |
| 81.77.45.254 | 1364012542 | 0 |
| 81.77.45.255 | 1364012543 | 0 |