L'indirizzo IP 81.72.133 è fornito da , che è di proprietà del CIDR (Classless Inter-Domain Routing) 81.72.0.0/16, IP tra 81.72.0.0 a 81.72.255.255 ). Il numero di sistema autonomo (ASN) è 3269.
| ASN | 3269 |
| IP inizia con | 81.72.0.0 |
| IP finale con | 81.72.255.255 |
| ASN Nome | |
| CDIR | 81.72.0.0/16 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 15/08/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | IT | Italy | - | Rome | 41,8947 | 12,4839 | 2017-08-15 |
| MaxMind | IT | Italy | - | - | 43,1479 | 12,1097 | 2017-08-15 |
| Whois | IT | - | - | - | 13 | 42 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.72.133.0 | 1363707136 | 0 |
| 81.72.133.1 | 1363707137 | 0 |
| 81.72.133.2 | 1363707138 | 0 |
| 81.72.133.3 | 1363707139 | 0 |
| 81.72.133.4 | 1363707140 | 0 |
| 81.72.133.5 | 1363707141 | 0 |
| 81.72.133.6 | 1363707142 | 0 |
| 81.72.133.7 | 1363707143 | 0 |
| 81.72.133.8 | 1363707144 | 0 |
| 81.72.133.9 | 1363707145 | 0 |
| 81.72.133.10 | 1363707146 | 0 |
| 81.72.133.11 | 1363707147 | 0 |
| 81.72.133.12 | 1363707148 | 0 |
| 81.72.133.13 | 1363707149 | 0 |
| 81.72.133.14 | 1363707150 | 0 |
| 81.72.133.15 | 1363707151 | 0 |
| 81.72.133.16 | 1363707152 | 0 |
| 81.72.133.17 | 1363707153 | 0 |
| 81.72.133.18 | 1363707154 | 0 |
| 81.72.133.19 | 1363707155 | 0 |
| 81.72.133.20 | 1363707156 | 0 |
| 81.72.133.21 | 1363707157 | 0 |
| 81.72.133.22 | 1363707158 | 0 |
| 81.72.133.23 | 1363707159 | 0 |
| 81.72.133.24 | 1363707160 | 0 |
| 81.72.133.25 | 1363707161 | 0 |
| 81.72.133.26 | 1363707162 | 0 |
| 81.72.133.27 | 1363707163 | 0 |
| 81.72.133.28 | 1363707164 | 0 |
| 81.72.133.29 | 1363707165 | 0 |
| 81.72.133.30 | 1363707166 | 0 |
| 81.72.133.31 | 1363707167 | 0 |
| 81.72.133.32 | 1363707168 | 0 |
| 81.72.133.33 | 1363707169 | 0 |
| 81.72.133.34 | 1363707170 | 0 |
| 81.72.133.35 | 1363707171 | 0 |
| 81.72.133.36 | 1363707172 | 0 |
| 81.72.133.37 | 1363707173 | 0 |
| 81.72.133.38 | 1363707174 | 0 |
| 81.72.133.39 | 1363707175 | 0 |
| 81.72.133.40 | 1363707176 | 0 |
| 81.72.133.41 | 1363707177 | 0 |
| 81.72.133.42 | 1363707178 | 0 |
| 81.72.133.43 | 1363707179 | 0 |
| 81.72.133.44 | 1363707180 | 0 |
| 81.72.133.45 | 1363707181 | 0 |
| 81.72.133.46 | 1363707182 | 0 |
| 81.72.133.47 | 1363707183 | 0 |
| 81.72.133.48 | 1363707184 | 0 |
| 81.72.133.49 | 1363707185 | 0 |
| 81.72.133.50 | 1363707186 | 0 |
| 81.72.133.51 | 1363707187 | 0 |
| 81.72.133.52 | 1363707188 | 0 |
| 81.72.133.53 | 1363707189 | 0 |
| 81.72.133.54 | 1363707190 | 0 |
| 81.72.133.55 | 1363707191 | 0 |
| 81.72.133.56 | 1363707192 | 0 |
| 81.72.133.57 | 1363707193 | 0 |
| 81.72.133.58 | 1363707194 | 0 |
| 81.72.133.59 | 1363707195 | 0 |
| 81.72.133.60 | 1363707196 | 0 |
| 81.72.133.61 | 1363707197 | 0 |
| 81.72.133.62 | 1363707198 | 0 |
| 81.72.133.63 | 1363707199 | 0 |
| 81.72.133.64 | 1363707200 | 0 |
| 81.72.133.65 | 1363707201 | 0 |
| 81.72.133.66 | 1363707202 | 0 |
| 81.72.133.67 | 1363707203 | 0 |
| 81.72.133.68 | 1363707204 | 0 |
| 81.72.133.69 | 1363707205 | 0 |
| 81.72.133.70 | 1363707206 | 0 |
| 81.72.133.71 | 1363707207 | 0 |
| 81.72.133.72 | 1363707208 | 0 |
| 81.72.133.73 | 1363707209 | 0 |
| 81.72.133.74 | 1363707210 | 0 |
| 81.72.133.75 | 1363707211 | 0 |
| 81.72.133.76 | 1363707212 | 0 |
| 81.72.133.77 | 1363707213 | 0 |
| 81.72.133.78 | 1363707214 | 0 |
| 81.72.133.79 | 1363707215 | 0 |
| 81.72.133.80 | 1363707216 | 0 |
| 81.72.133.81 | 1363707217 | 0 |
| 81.72.133.82 | 1363707218 | 0 |
| 81.72.133.83 | 1363707219 | 0 |
| 81.72.133.84 | 1363707220 | 0 |
| 81.72.133.85 | 1363707221 | 0 |