L'indirizzo IP 81.193.54 è fornito da , che è di proprietà del CIDR (Classless Inter-Domain Routing) 81.193.0.0/16, IP tra 81.193.0.0 a 81.193.255.255 ). Il numero di sistema autonomo (ASN) è 3243.
| ASN | 3243 |
| IP inizia con | 81.193.0.0 |
| IP finale con | 81.193.255.255 |
| ASN Nome | |
| CDIR | 81.193.0.0/16 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 30/09/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | PT | Portugal | - | Alvor | 37,1299 | -8,5917 | 2017-09-29 |
| MaxMind | PT | Portugal | - | Lisbon | 38,7167 | -9,1333 | 2017-09-29 |
| Whois | PT | - | - | - | -8 | 39 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.193.54.0 | 1371616768 | 0 |
| 81.193.54.1 | 1371616769 | 0 |
| 81.193.54.2 | 1371616770 | 0 |
| 81.193.54.3 | 1371616771 | 0 |
| 81.193.54.4 | 1371616772 | 0 |
| 81.193.54.5 | 1371616773 | 0 |
| 81.193.54.6 | 1371616774 | 0 |
| 81.193.54.7 | 1371616775 | 0 |
| 81.193.54.8 | 1371616776 | 0 |
| 81.193.54.9 | 1371616777 | 0 |
| 81.193.54.10 | 1371616778 | 0 |
| 81.193.54.11 | 1371616779 | 0 |
| 81.193.54.12 | 1371616780 | 0 |
| 81.193.54.13 | 1371616781 | 0 |
| 81.193.54.14 | 1371616782 | 0 |
| 81.193.54.15 | 1371616783 | 0 |
| 81.193.54.16 | 1371616784 | 0 |
| 81.193.54.17 | 1371616785 | 0 |
| 81.193.54.18 | 1371616786 | 0 |
| 81.193.54.19 | 1371616787 | 0 |
| 81.193.54.20 | 1371616788 | 0 |
| 81.193.54.21 | 1371616789 | 0 |
| 81.193.54.22 | 1371616790 | 0 |
| 81.193.54.23 | 1371616791 | 0 |
| 81.193.54.24 | 1371616792 | 0 |
| 81.193.54.25 | 1371616793 | 0 |
| 81.193.54.26 | 1371616794 | 0 |
| 81.193.54.27 | 1371616795 | 0 |
| 81.193.54.28 | 1371616796 | 0 |
| 81.193.54.29 | 1371616797 | 0 |
| 81.193.54.30 | 1371616798 | 0 |
| 81.193.54.31 | 1371616799 | 0 |
| 81.193.54.32 | 1371616800 | 0 |
| 81.193.54.33 | 1371616801 | 0 |
| 81.193.54.34 | 1371616802 | 0 |
| 81.193.54.35 | 1371616803 | 0 |
| 81.193.54.36 | 1371616804 | 0 |
| 81.193.54.37 | 1371616805 | 0 |
| 81.193.54.38 | 1371616806 | 0 |
| 81.193.54.39 | 1371616807 | 0 |
| 81.193.54.40 | 1371616808 | 0 |
| 81.193.54.41 | 1371616809 | 0 |
| 81.193.54.42 | 1371616810 | 0 |
| 81.193.54.43 | 1371616811 | 0 |
| 81.193.54.44 | 1371616812 | 0 |
| 81.193.54.45 | 1371616813 | 0 |
| 81.193.54.46 | 1371616814 | 0 |
| 81.193.54.47 | 1371616815 | 0 |
| 81.193.54.48 | 1371616816 | 0 |
| 81.193.54.49 | 1371616817 | 0 |
| 81.193.54.50 | 1371616818 | 0 |
| 81.193.54.51 | 1371616819 | 0 |
| 81.193.54.52 | 1371616820 | 0 |
| 81.193.54.53 | 1371616821 | 0 |
| 81.193.54.54 | 1371616822 | 0 |
| 81.193.54.55 | 1371616823 | 0 |
| 81.193.54.56 | 1371616824 | 0 |
| 81.193.54.57 | 1371616825 | 0 |
| 81.193.54.58 | 1371616826 | 0 |
| 81.193.54.59 | 1371616827 | 0 |
| 81.193.54.60 | 1371616828 | 0 |
| 81.193.54.61 | 1371616829 | 0 |
| 81.193.54.62 | 1371616830 | 0 |
| 81.193.54.63 | 1371616831 | 0 |
| 81.193.54.64 | 1371616832 | 0 |
| 81.193.54.65 | 1371616833 | 0 |
| 81.193.54.66 | 1371616834 | 0 |
| 81.193.54.67 | 1371616835 | 0 |
| 81.193.54.68 | 1371616836 | 0 |
| 81.193.54.69 | 1371616837 | 0 |
| 81.193.54.70 | 1371616838 | 0 |
| 81.193.54.71 | 1371616839 | 0 |
| 81.193.54.72 | 1371616840 | 0 |
| 81.193.54.73 | 1371616841 | 0 |
| 81.193.54.74 | 1371616842 | 0 |
| 81.193.54.75 | 1371616843 | 0 |
| 81.193.54.76 | 1371616844 | 0 |
| 81.193.54.77 | 1371616845 | 0 |
| 81.193.54.78 | 1371616846 | 0 |
| 81.193.54.79 | 1371616847 | 0 |
| 81.193.54.80 | 1371616848 | 0 |
| 81.193.54.81 | 1371616849 | 0 |
| 81.193.54.82 | 1371616850 | 0 |
| 81.193.54.83 | 1371616851 | 0 |
| 81.193.54.84 | 1371616852 | 0 |
| 81.193.54.85 | 1371616853 | 0 |