L'indirizzo IP 81.20.131 è fornito da , che è di proprietà del CIDR (Classless Inter-Domain Routing) 81.20.128.0/20, IP tra 81.20.128.0 a 81.20.143.255 ). Il numero di sistema autonomo (ASN) è 33984.
| ASN | 33984 |
| IP inizia con | 81.20.128.0 |
| IP finale con | 81.20.143.255 |
| ASN Nome | |
| CDIR | 81.20.128.0/20 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 02/09/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | DE | Germany | - | Odenthal | 51,0333 | 7,1167 | 2017-09-02 |
| MaxMind | DE | Germany | - | - | 51,2993 | 9,491 | 2017-09-02 |
| Whois | DE | - | - | - | 10 | 51 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.20.131.0 | 1360298752 | 0 |
| 81.20.131.1 | 1360298753 | 0 |
| 81.20.131.2 | 1360298754 | 0 |
| 81.20.131.3 | 1360298755 | 0 |
| 81.20.131.4 | 1360298756 | 0 |
| 81.20.131.5 | 1360298757 | 0 |
| 81.20.131.6 | 1360298758 | 0 |
| 81.20.131.7 | 1360298759 | 0 |
| 81.20.131.8 | 1360298760 | 0 |
| 81.20.131.9 | 1360298761 | 0 |
| 81.20.131.10 | 1360298762 | 0 |
| 81.20.131.11 | 1360298763 | 0 |
| 81.20.131.12 | 1360298764 | 0 |
| 81.20.131.13 | 1360298765 | 0 |
| 81.20.131.14 | 1360298766 | 0 |
| 81.20.131.15 | 1360298767 | 0 |
| 81.20.131.16 | 1360298768 | 0 |
| 81.20.131.17 | 1360298769 | 0 |
| 81.20.131.18 | 1360298770 | 0 |
| 81.20.131.19 | 1360298771 | 0 |
| 81.20.131.20 | 1360298772 | 0 |
| 81.20.131.21 | 1360298773 | 0 |
| 81.20.131.22 | 1360298774 | 0 |
| 81.20.131.23 | 1360298775 | 0 |
| 81.20.131.24 | 1360298776 | 0 |
| 81.20.131.25 | 1360298777 | 0 |
| 81.20.131.26 | 1360298778 | 0 |
| 81.20.131.27 | 1360298779 | 0 |
| 81.20.131.28 | 1360298780 | 0 |
| 81.20.131.29 | 1360298781 | 0 |
| 81.20.131.30 | 1360298782 | 0 |
| 81.20.131.31 | 1360298783 | 0 |
| 81.20.131.32 | 1360298784 | 0 |
| 81.20.131.33 | 1360298785 | 0 |
| 81.20.131.34 | 1360298786 | 0 |
| 81.20.131.35 | 1360298787 | 0 |
| 81.20.131.36 | 1360298788 | 0 |
| 81.20.131.37 | 1360298789 | 0 |
| 81.20.131.38 | 1360298790 | 0 |
| 81.20.131.39 | 1360298791 | 0 |
| 81.20.131.40 | 1360298792 | 0 |
| 81.20.131.41 | 1360298793 | 0 |
| 81.20.131.42 | 1360298794 | 0 |
| 81.20.131.43 | 1360298795 | 0 |
| 81.20.131.44 | 1360298796 | 0 |
| 81.20.131.45 | 1360298797 | 0 |
| 81.20.131.46 | 1360298798 | 0 |
| 81.20.131.47 | 1360298799 | 0 |
| 81.20.131.48 | 1360298800 | 0 |
| 81.20.131.49 | 1360298801 | 0 |
| 81.20.131.50 | 1360298802 | 0 |
| 81.20.131.51 | 1360298803 | 0 |
| 81.20.131.52 | 1360298804 | 0 |
| 81.20.131.53 | 1360298805 | 0 |
| 81.20.131.54 | 1360298806 | 0 |
| 81.20.131.55 | 1360298807 | 0 |
| 81.20.131.56 | 1360298808 | 0 |
| 81.20.131.57 | 1360298809 | 0 |
| 81.20.131.58 | 1360298810 | 0 |
| 81.20.131.59 | 1360298811 | 0 |
| 81.20.131.60 | 1360298812 | 0 |
| 81.20.131.61 | 1360298813 | 0 |
| 81.20.131.62 | 1360298814 | 0 |
| 81.20.131.63 | 1360298815 | 0 |
| 81.20.131.64 | 1360298816 | 0 |
| 81.20.131.65 | 1360298817 | 0 |
| 81.20.131.66 | 1360298818 | 0 |
| 81.20.131.67 | 1360298819 | 0 |
| 81.20.131.68 | 1360298820 | 0 |
| 81.20.131.69 | 1360298821 | 0 |
| 81.20.131.70 | 1360298822 | 0 |
| 81.20.131.71 | 1360298823 | 0 |
| 81.20.131.72 | 1360298824 | 0 |
| 81.20.131.73 | 1360298825 | 0 |
| 81.20.131.74 | 1360298826 | 0 |
| 81.20.131.75 | 1360298827 | 0 |
| 81.20.131.76 | 1360298828 | 0 |
| 81.20.131.77 | 1360298829 | 0 |
| 81.20.131.78 | 1360298830 | 0 |
| 81.20.131.79 | 1360298831 | 0 |
| 81.20.131.80 | 1360298832 | 0 |
| 81.20.131.81 | 1360298833 | 0 |
| 81.20.131.82 | 1360298834 | 0 |
| 81.20.131.83 | 1360298835 | 0 |
| 81.20.131.84 | 1360298836 | 0 |
| 81.20.131.85 | 1360298837 | 0 |