L'indirizzo IP 81.123.77 è fornito da , che è di proprietà del CIDR (Classless Inter-Domain Routing) 81.123.0.0/16, IP tra 81.123.0.0 a 81.123.255.255 ). Il numero di sistema autonomo (ASN) è 20959.
| ASN | 20959 |
| IP inizia con | 81.123.0.0 |
| IP finale con | 81.123.255.255 |
| ASN Nome | |
| CDIR | 81.123.0.0/16 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 02/08/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | IT | Italy | - | Genova | 44,4063 | 8,9339 | 2017-08-02 |
| MaxMind | IT | Italy | - | - | 43,1479 | 12,1097 | 2017-08-02 |
| Whois | IT | - | - | - | 13 | 42 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.123.77.0 | 1367035136 | 0 |
| 81.123.77.1 | 1367035137 | 0 |
| 81.123.77.2 | 1367035138 | 0 |
| 81.123.77.3 | 1367035139 | 0 |
| 81.123.77.4 | 1367035140 | 0 |
| 81.123.77.5 | 1367035141 | 0 |
| 81.123.77.6 | 1367035142 | 0 |
| 81.123.77.7 | 1367035143 | 0 |
| 81.123.77.8 | 1367035144 | 0 |
| 81.123.77.9 | 1367035145 | 0 |
| 81.123.77.10 | 1367035146 | 0 |
| 81.123.77.11 | 1367035147 | 0 |
| 81.123.77.12 | 1367035148 | 0 |
| 81.123.77.13 | 1367035149 | 0 |
| 81.123.77.14 | 1367035150 | 0 |
| 81.123.77.15 | 1367035151 | 0 |
| 81.123.77.16 | 1367035152 | 0 |
| 81.123.77.17 | 1367035153 | 0 |
| 81.123.77.18 | 1367035154 | 0 |
| 81.123.77.19 | 1367035155 | 0 |
| 81.123.77.20 | 1367035156 | 0 |
| 81.123.77.21 | 1367035157 | 0 |
| 81.123.77.22 | 1367035158 | 0 |
| 81.123.77.23 | 1367035159 | 0 |
| 81.123.77.24 | 1367035160 | 0 |
| 81.123.77.25 | 1367035161 | 0 |
| 81.123.77.26 | 1367035162 | 0 |
| 81.123.77.27 | 1367035163 | 0 |
| 81.123.77.28 | 1367035164 | 0 |
| 81.123.77.29 | 1367035165 | 0 |
| 81.123.77.30 | 1367035166 | 0 |
| 81.123.77.31 | 1367035167 | 0 |
| 81.123.77.32 | 1367035168 | 0 |
| 81.123.77.33 | 1367035169 | 0 |
| 81.123.77.34 | 1367035170 | 0 |
| 81.123.77.35 | 1367035171 | 0 |
| 81.123.77.36 | 1367035172 | 0 |
| 81.123.77.37 | 1367035173 | 0 |
| 81.123.77.38 | 1367035174 | 0 |
| 81.123.77.39 | 1367035175 | 0 |
| 81.123.77.40 | 1367035176 | 0 |
| 81.123.77.41 | 1367035177 | 0 |
| 81.123.77.42 | 1367035178 | 0 |
| 81.123.77.43 | 1367035179 | 0 |
| 81.123.77.44 | 1367035180 | 0 |
| 81.123.77.45 | 1367035181 | 0 |
| 81.123.77.46 | 1367035182 | 0 |
| 81.123.77.47 | 1367035183 | 0 |
| 81.123.77.48 | 1367035184 | 0 |
| 81.123.77.49 | 1367035185 | 0 |
| 81.123.77.50 | 1367035186 | 0 |
| 81.123.77.51 | 1367035187 | 0 |
| 81.123.77.52 | 1367035188 | 0 |
| 81.123.77.53 | 1367035189 | 0 |
| 81.123.77.54 | 1367035190 | 0 |
| 81.123.77.55 | 1367035191 | 0 |
| 81.123.77.56 | 1367035192 | 0 |
| 81.123.77.57 | 1367035193 | 0 |
| 81.123.77.58 | 1367035194 | 0 |
| 81.123.77.59 | 1367035195 | 0 |
| 81.123.77.60 | 1367035196 | 0 |
| 81.123.77.61 | 1367035197 | 0 |
| 81.123.77.62 | 1367035198 | 0 |
| 81.123.77.63 | 1367035199 | 0 |
| 81.123.77.64 | 1367035200 | 0 |
| 81.123.77.65 | 1367035201 | 0 |
| 81.123.77.66 | 1367035202 | 0 |
| 81.123.77.67 | 1367035203 | 0 |
| 81.123.77.68 | 1367035204 | 0 |
| 81.123.77.69 | 1367035205 | 0 |
| 81.123.77.70 | 1367035206 | 0 |
| 81.123.77.71 | 1367035207 | 0 |
| 81.123.77.72 | 1367035208 | 0 |
| 81.123.77.73 | 1367035209 | 0 |
| 81.123.77.74 | 1367035210 | 0 |
| 81.123.77.75 | 1367035211 | 0 |
| 81.123.77.76 | 1367035212 | 0 |
| 81.123.77.77 | 1367035213 | 0 |
| 81.123.77.78 | 1367035214 | 0 |
| 81.123.77.79 | 1367035215 | 0 |
| 81.123.77.80 | 1367035216 | 0 |
| 81.123.77.81 | 1367035217 | 0 |
| 81.123.77.82 | 1367035218 | 0 |
| 81.123.77.83 | 1367035219 | 0 |
| 81.123.77.84 | 1367035220 | 0 |
| 81.123.77.85 | 1367035221 | 0 |