L'indirizzo IP 81.77.158 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 | 10/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | GB | United Kingdom | - | Leeds | 51,2468 | 0,6068 | 2017-07-03 |
| MaxMind | GB | United Kingdom | - | - | 51,4964 | -0,1224 | 2017-07-03 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.77.158.0 | 1364041216 | 0 |
| 81.77.158.1 | 1364041217 | 0 |
| 81.77.158.2 | 1364041218 | 0 |
| 81.77.158.3 | 1364041219 | 0 |
| 81.77.158.4 | 1364041220 | 0 |
| 81.77.158.5 | 1364041221 | 0 |
| 81.77.158.6 | 1364041222 | 0 |
| 81.77.158.7 | 1364041223 | 0 |
| 81.77.158.8 | 1364041224 | 0 |
| 81.77.158.9 | 1364041225 | 0 |
| 81.77.158.10 | 1364041226 | 0 |
| 81.77.158.11 | 1364041227 | 0 |
| 81.77.158.12 | 1364041228 | 0 |
| 81.77.158.13 | 1364041229 | 0 |
| 81.77.158.14 | 1364041230 | 0 |
| 81.77.158.15 | 1364041231 | 0 |
| 81.77.158.16 | 1364041232 | 0 |
| 81.77.158.17 | 1364041233 | 0 |
| 81.77.158.18 | 1364041234 | 0 |
| 81.77.158.19 | 1364041235 | 0 |
| 81.77.158.20 | 1364041236 | 0 |
| 81.77.158.21 | 1364041237 | 0 |
| 81.77.158.22 | 1364041238 | 0 |
| 81.77.158.23 | 1364041239 | 0 |
| 81.77.158.24 | 1364041240 | 0 |
| 81.77.158.25 | 1364041241 | 0 |
| 81.77.158.26 | 1364041242 | 0 |
| 81.77.158.27 | 1364041243 | 0 |
| 81.77.158.28 | 1364041244 | 0 |
| 81.77.158.29 | 1364041245 | 0 |
| 81.77.158.30 | 1364041246 | 0 |
| 81.77.158.31 | 1364041247 | 0 |
| 81.77.158.32 | 1364041248 | 0 |
| 81.77.158.33 | 1364041249 | 0 |
| 81.77.158.34 | 1364041250 | 0 |
| 81.77.158.35 | 1364041251 | 0 |
| 81.77.158.36 | 1364041252 | 0 |
| 81.77.158.37 | 1364041253 | 0 |
| 81.77.158.38 | 1364041254 | 0 |
| 81.77.158.39 | 1364041255 | 0 |
| 81.77.158.40 | 1364041256 | 0 |
| 81.77.158.41 | 1364041257 | 0 |
| 81.77.158.42 | 1364041258 | 0 |
| 81.77.158.43 | 1364041259 | 0 |
| 81.77.158.44 | 1364041260 | 0 |
| 81.77.158.45 | 1364041261 | 0 |
| 81.77.158.46 | 1364041262 | 0 |
| 81.77.158.47 | 1364041263 | 0 |
| 81.77.158.48 | 1364041264 | 0 |
| 81.77.158.49 | 1364041265 | 0 |
| 81.77.158.50 | 1364041266 | 0 |
| 81.77.158.51 | 1364041267 | 0 |
| 81.77.158.52 | 1364041268 | 0 |
| 81.77.158.53 | 1364041269 | 0 |
| 81.77.158.54 | 1364041270 | 0 |
| 81.77.158.55 | 1364041271 | 0 |
| 81.77.158.56 | 1364041272 | 0 |
| 81.77.158.57 | 1364041273 | 0 |
| 81.77.158.58 | 1364041274 | 0 |
| 81.77.158.59 | 1364041275 | 0 |
| 81.77.158.60 | 1364041276 | 0 |
| 81.77.158.61 | 1364041277 | 0 |
| 81.77.158.62 | 1364041278 | 0 |
| 81.77.158.63 | 1364041279 | 0 |
| 81.77.158.64 | 1364041280 | 0 |
| 81.77.158.65 | 1364041281 | 0 |
| 81.77.158.66 | 1364041282 | 0 |
| 81.77.158.67 | 1364041283 | 0 |
| 81.77.158.68 | 1364041284 | 0 |
| 81.77.158.69 | 1364041285 | 0 |
| 81.77.158.70 | 1364041286 | 0 |
| 81.77.158.71 | 1364041287 | 0 |
| 81.77.158.72 | 1364041288 | 0 |
| 81.77.158.73 | 1364041289 | 0 |
| 81.77.158.74 | 1364041290 | 0 |
| 81.77.158.75 | 1364041291 | 0 |
| 81.77.158.76 | 1364041292 | 0 |
| 81.77.158.77 | 1364041293 | 0 |
| 81.77.158.78 | 1364041294 | 0 |
| 81.77.158.79 | 1364041295 | 0 |
| 81.77.158.80 | 1364041296 | 0 |
| 81.77.158.81 | 1364041297 | 0 |
| 81.77.158.82 | 1364041298 | 0 |
| 81.77.158.83 | 1364041299 | 0 |
| 81.77.158.84 | 1364041300 | 0 |
| 81.77.158.85 | 1364041301 | 0 |