L'indirizzo IP 81.77.177 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 | 16/12/2018 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | GB | United Kingdom | - | Leeds | 51,2468 | 0,6068 | 2018-12-16 |
| MaxMind | FR | France | - | - | 48,8582 | 2,3387 | 2018-12-16 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.77.177.0 | 1364046080 | 0 |
| 81.77.177.1 | 1364046081 | 0 |
| 81.77.177.2 | 1364046082 | 0 |
| 81.77.177.3 | 1364046083 | 0 |
| 81.77.177.4 | 1364046084 | 0 |
| 81.77.177.5 | 1364046085 | 0 |
| 81.77.177.6 | 1364046086 | 0 |
| 81.77.177.7 | 1364046087 | 0 |
| 81.77.177.8 | 1364046088 | 0 |
| 81.77.177.9 | 1364046089 | 0 |
| 81.77.177.10 | 1364046090 | 0 |
| 81.77.177.11 | 1364046091 | 0 |
| 81.77.177.12 | 1364046092 | 0 |
| 81.77.177.13 | 1364046093 | 0 |
| 81.77.177.14 | 1364046094 | 0 |
| 81.77.177.15 | 1364046095 | 0 |
| 81.77.177.16 | 1364046096 | 0 |
| 81.77.177.17 | 1364046097 | 0 |
| 81.77.177.18 | 1364046098 | 0 |
| 81.77.177.19 | 1364046099 | 0 |
| 81.77.177.20 | 1364046100 | 0 |
| 81.77.177.21 | 1364046101 | 0 |
| 81.77.177.22 | 1364046102 | 0 |
| 81.77.177.23 | 1364046103 | 0 |
| 81.77.177.24 | 1364046104 | 0 |
| 81.77.177.25 | 1364046105 | 0 |
| 81.77.177.26 | 1364046106 | 0 |
| 81.77.177.27 | 1364046107 | 0 |
| 81.77.177.28 | 1364046108 | 0 |
| 81.77.177.29 | 1364046109 | 0 |
| 81.77.177.30 | 1364046110 | 0 |
| 81.77.177.31 | 1364046111 | 0 |
| 81.77.177.32 | 1364046112 | 0 |
| 81.77.177.33 | 1364046113 | 0 |
| 81.77.177.34 | 1364046114 | 0 |
| 81.77.177.35 | 1364046115 | 0 |
| 81.77.177.36 | 1364046116 | 0 |
| 81.77.177.37 | 1364046117 | 0 |
| 81.77.177.38 | 1364046118 | 0 |
| 81.77.177.39 | 1364046119 | 0 |
| 81.77.177.40 | 1364046120 | 0 |
| 81.77.177.41 | 1364046121 | 0 |
| 81.77.177.42 | 1364046122 | 0 |
| 81.77.177.43 | 1364046123 | 0 |
| 81.77.177.44 | 1364046124 | 0 |
| 81.77.177.45 | 1364046125 | 0 |
| 81.77.177.46 | 1364046126 | 0 |
| 81.77.177.47 | 1364046127 | 0 |
| 81.77.177.48 | 1364046128 | 0 |
| 81.77.177.49 | 1364046129 | 0 |
| 81.77.177.50 | 1364046130 | 0 |
| 81.77.177.51 | 1364046131 | 0 |
| 81.77.177.52 | 1364046132 | 0 |
| 81.77.177.53 | 1364046133 | 0 |
| 81.77.177.54 | 1364046134 | 0 |
| 81.77.177.55 | 1364046135 | 0 |
| 81.77.177.56 | 1364046136 | 0 |
| 81.77.177.57 | 1364046137 | 0 |
| 81.77.177.58 | 1364046138 | 0 |
| 81.77.177.59 | 1364046139 | 0 |
| 81.77.177.60 | 1364046140 | 0 |
| 81.77.177.61 | 1364046141 | 0 |
| 81.77.177.62 | 1364046142 | 0 |
| 81.77.177.63 | 1364046143 | 0 |
| 81.77.177.64 | 1364046144 | 0 |
| 81.77.177.65 | 1364046145 | 0 |
| 81.77.177.66 | 1364046146 | 0 |
| 81.77.177.67 | 1364046147 | 0 |
| 81.77.177.68 | 1364046148 | 0 |
| 81.77.177.69 | 1364046149 | 0 |
| 81.77.177.70 | 1364046150 | 0 |
| 81.77.177.71 | 1364046151 | 0 |
| 81.77.177.72 | 1364046152 | 0 |
| 81.77.177.73 | 1364046153 | 0 |
| 81.77.177.74 | 1364046154 | 0 |
| 81.77.177.75 | 1364046155 | 0 |
| 81.77.177.76 | 1364046156 | 0 |
| 81.77.177.77 | 1364046157 | 0 |
| 81.77.177.78 | 1364046158 | 0 |
| 81.77.177.79 | 1364046159 | 0 |
| 81.77.177.80 | 1364046160 | 0 |
| 81.77.177.81 | 1364046161 | 0 |
| 81.77.177.82 | 1364046162 | 0 |
| 81.77.177.83 | 1364046163 | 0 |
| 81.77.177.84 | 1364046164 | 0 |
| 81.77.177.85 | 1364046165 | 0 |