L'indirizzo IP 81.77.205 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 | 12/12/2018 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | GB | United Kingdom | - | Heslington | 53,9464 | -1,0492 | 2018-12-12 |
| MaxMind | FR | France | - | - | 48,8582 | 2,3387 | 2018-12-12 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.77.205.0 | 1364053248 | 0 |
| 81.77.205.1 | 1364053249 | 0 |
| 81.77.205.2 | 1364053250 | 0 |
| 81.77.205.3 | 1364053251 | 0 |
| 81.77.205.4 | 1364053252 | 0 |
| 81.77.205.5 | 1364053253 | 0 |
| 81.77.205.6 | 1364053254 | 0 |
| 81.77.205.7 | 1364053255 | 0 |
| 81.77.205.8 | 1364053256 | 0 |
| 81.77.205.9 | 1364053257 | 0 |
| 81.77.205.10 | 1364053258 | 0 |
| 81.77.205.11 | 1364053259 | 0 |
| 81.77.205.12 | 1364053260 | 0 |
| 81.77.205.13 | 1364053261 | 0 |
| 81.77.205.14 | 1364053262 | 0 |
| 81.77.205.15 | 1364053263 | 0 |
| 81.77.205.16 | 1364053264 | 0 |
| 81.77.205.17 | 1364053265 | 0 |
| 81.77.205.18 | 1364053266 | 0 |
| 81.77.205.19 | 1364053267 | 0 |
| 81.77.205.20 | 1364053268 | 0 |
| 81.77.205.21 | 1364053269 | 0 |
| 81.77.205.22 | 1364053270 | 0 |
| 81.77.205.23 | 1364053271 | 0 |
| 81.77.205.24 | 1364053272 | 0 |
| 81.77.205.25 | 1364053273 | 0 |
| 81.77.205.26 | 1364053274 | 0 |
| 81.77.205.27 | 1364053275 | 0 |
| 81.77.205.28 | 1364053276 | 0 |
| 81.77.205.29 | 1364053277 | 0 |
| 81.77.205.30 | 1364053278 | 0 |
| 81.77.205.31 | 1364053279 | 0 |
| 81.77.205.32 | 1364053280 | 0 |
| 81.77.205.33 | 1364053281 | 0 |
| 81.77.205.34 | 1364053282 | 0 |
| 81.77.205.35 | 1364053283 | 0 |
| 81.77.205.36 | 1364053284 | 0 |
| 81.77.205.37 | 1364053285 | 0 |
| 81.77.205.38 | 1364053286 | 0 |
| 81.77.205.39 | 1364053287 | 0 |
| 81.77.205.40 | 1364053288 | 0 |
| 81.77.205.41 | 1364053289 | 0 |
| 81.77.205.42 | 1364053290 | 0 |
| 81.77.205.43 | 1364053291 | 0 |
| 81.77.205.44 | 1364053292 | 0 |
| 81.77.205.45 | 1364053293 | 0 |
| 81.77.205.46 | 1364053294 | 0 |
| 81.77.205.47 | 1364053295 | 0 |
| 81.77.205.48 | 1364053296 | 0 |
| 81.77.205.49 | 1364053297 | 0 |
| 81.77.205.50 | 1364053298 | 0 |
| 81.77.205.51 | 1364053299 | 0 |
| 81.77.205.52 | 1364053300 | 0 |
| 81.77.205.53 | 1364053301 | 0 |
| 81.77.205.54 | 1364053302 | 0 |
| 81.77.205.55 | 1364053303 | 0 |
| 81.77.205.56 | 1364053304 | 0 |
| 81.77.205.57 | 1364053305 | 0 |
| 81.77.205.58 | 1364053306 | 0 |
| 81.77.205.59 | 1364053307 | 0 |
| 81.77.205.60 | 1364053308 | 0 |
| 81.77.205.61 | 1364053309 | 0 |
| 81.77.205.62 | 1364053310 | 0 |
| 81.77.205.63 | 1364053311 | 0 |
| 81.77.205.64 | 1364053312 | 0 |
| 81.77.205.65 | 1364053313 | 0 |
| 81.77.205.66 | 1364053314 | 0 |
| 81.77.205.67 | 1364053315 | 0 |
| 81.77.205.68 | 1364053316 | 0 |
| 81.77.205.69 | 1364053317 | 0 |
| 81.77.205.70 | 1364053318 | 0 |
| 81.77.205.71 | 1364053319 | 0 |
| 81.77.205.72 | 1364053320 | 0 |
| 81.77.205.73 | 1364053321 | 0 |
| 81.77.205.74 | 1364053322 | 0 |
| 81.77.205.75 | 1364053323 | 0 |
| 81.77.205.76 | 1364053324 | 0 |
| 81.77.205.77 | 1364053325 | 0 |
| 81.77.205.78 | 1364053326 | 0 |
| 81.77.205.79 | 1364053327 | 0 |
| 81.77.205.80 | 1364053328 | 0 |
| 81.77.205.81 | 1364053329 | 0 |
| 81.77.205.82 | 1364053330 | 0 |
| 81.77.205.83 | 1364053331 | 0 |
| 81.77.205.84 | 1364053332 | 0 |
| 81.77.205.85 | 1364053333 | 0 |