L'indirizzo IP 81.2.137 è fornito da Cogent Communications, che è di proprietà del CIDR (Classless Inter-Domain Routing) 81.2.128.0/18, IP tra 81.2.128.0 a 81.2.191.255 ). Il numero di sistema autonomo (ASN) è 174.
| ASN | 174 |
| IP inizia con | 81.2.128.0 |
| IP finale con | 81.2.191.255 |
| ASN Nome | Cogent Communications |
| CDIR | 81.2.128.0/18 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 03/08/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | DE | Germany | - | Vreden | 52,0379 | 6,828 | 2017-08-03 |
| MaxMind | DE | Germany | - | - | 51,2993 | 9,491 | 2017-08-03 |
| Whois | DE | - | - | - | 10 | 51 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.2.137.0 | 1359120640 | 0 |
| 81.2.137.1 | 1359120641 | 0 |
| 81.2.137.2 | 1359120642 | 0 |
| 81.2.137.3 | 1359120643 | 0 |
| 81.2.137.4 | 1359120644 | 0 |
| 81.2.137.5 | 1359120645 | 0 |
| 81.2.137.6 | 1359120646 | 0 |
| 81.2.137.7 | 1359120647 | 0 |
| 81.2.137.8 | 1359120648 | 0 |
| 81.2.137.9 | 1359120649 | 0 |
| 81.2.137.10 | 1359120650 | 0 |
| 81.2.137.11 | 1359120651 | 0 |
| 81.2.137.12 | 1359120652 | 0 |
| 81.2.137.13 | 1359120653 | 0 |
| 81.2.137.14 | 1359120654 | 0 |
| 81.2.137.15 | 1359120655 | 0 |
| 81.2.137.16 | 1359120656 | 0 |
| 81.2.137.17 | 1359120657 | 0 |
| 81.2.137.18 | 1359120658 | 0 |
| 81.2.137.19 | 1359120659 | 0 |
| 81.2.137.20 | 1359120660 | 0 |
| 81.2.137.21 | 1359120661 | 0 |
| 81.2.137.22 | 1359120662 | 0 |
| 81.2.137.23 | 1359120663 | 0 |
| 81.2.137.24 | 1359120664 | 0 |
| 81.2.137.25 | 1359120665 | 0 |
| 81.2.137.26 | 1359120666 | 0 |
| 81.2.137.27 | 1359120667 | 0 |
| 81.2.137.28 | 1359120668 | 0 |
| 81.2.137.29 | 1359120669 | 0 |
| 81.2.137.30 | 1359120670 | 0 |
| 81.2.137.31 | 1359120671 | 0 |
| 81.2.137.32 | 1359120672 | 0 |
| 81.2.137.33 | 1359120673 | 0 |
| 81.2.137.34 | 1359120674 | 0 |
| 81.2.137.35 | 1359120675 | 0 |
| 81.2.137.36 | 1359120676 | 0 |
| 81.2.137.37 | 1359120677 | 0 |
| 81.2.137.38 | 1359120678 | 0 |
| 81.2.137.39 | 1359120679 | 0 |
| 81.2.137.40 | 1359120680 | 0 |
| 81.2.137.41 | 1359120681 | 0 |
| 81.2.137.42 | 1359120682 | 0 |
| 81.2.137.43 | 1359120683 | 0 |
| 81.2.137.44 | 1359120684 | 0 |
| 81.2.137.45 | 1359120685 | 0 |
| 81.2.137.46 | 1359120686 | 0 |
| 81.2.137.47 | 1359120687 | 0 |
| 81.2.137.48 | 1359120688 | 0 |
| 81.2.137.49 | 1359120689 | 0 |
| 81.2.137.50 | 1359120690 | 0 |
| 81.2.137.51 | 1359120691 | 0 |
| 81.2.137.52 | 1359120692 | 0 |
| 81.2.137.53 | 1359120693 | 0 |
| 81.2.137.54 | 1359120694 | 0 |
| 81.2.137.55 | 1359120695 | 0 |
| 81.2.137.56 | 1359120696 | 0 |
| 81.2.137.57 | 1359120697 | 0 |
| 81.2.137.58 | 1359120698 | 0 |
| 81.2.137.59 | 1359120699 | 0 |
| 81.2.137.60 | 1359120700 | 0 |
| 81.2.137.61 | 1359120701 | 0 |
| 81.2.137.62 | 1359120702 | 0 |
| 81.2.137.63 | 1359120703 | 0 |
| 81.2.137.64 | 1359120704 | 0 |
| 81.2.137.65 | 1359120705 | 0 |
| 81.2.137.66 | 1359120706 | 0 |
| 81.2.137.67 | 1359120707 | 0 |
| 81.2.137.68 | 1359120708 | 0 |
| 81.2.137.69 | 1359120709 | 0 |
| 81.2.137.70 | 1359120710 | 0 |
| 81.2.137.71 | 1359120711 | 0 |
| 81.2.137.72 | 1359120712 | 0 |
| 81.2.137.73 | 1359120713 | 0 |
| 81.2.137.74 | 1359120714 | 0 |
| 81.2.137.75 | 1359120715 | 0 |
| 81.2.137.76 | 1359120716 | 0 |
| 81.2.137.77 | 1359120717 | 0 |
| 81.2.137.78 | 1359120718 | 0 |
| 81.2.137.79 | 1359120719 | 0 |
| 81.2.137.80 | 1359120720 | 0 |
| 81.2.137.81 | 1359120721 | 0 |
| 81.2.137.82 | 1359120722 | 0 |
| 81.2.137.83 | 1359120723 | 0 |
| 81.2.137.84 | 1359120724 | 0 |
| 81.2.137.85 | 1359120725 | 0 |
| IP | Numerical IP | DNS |
| 81.2.137.86 | 1359120726 | 0 |
| 81.2.137.87 | 1359120727 | 0 |
| 81.2.137.88 | 1359120728 | 0 |
| 81.2.137.89 | 1359120729 | 0 |
| 81.2.137.90 | 1359120730 | 0 |
| 81.2.137.91 | 1359120731 | 0 |
| 81.2.137.92 | 1359120732 | 0 |
| 81.2.137.93 | 1359120733 | 0 |
| 81.2.137.94 | 1359120734 | 0 |
| 81.2.137.95 | 1359120735 | 0 |
| 81.2.137.96 | 1359120736 | 0 |
| 81.2.137.97 | 1359120737 | 0 |
| 81.2.137.98 | 1359120738 | 0 |
| 81.2.137.99 | 1359120739 | 0 |
| 81.2.137.100 | 1359120740 | 0 |
| 81.2.137.101 | 1359120741 | 0 |
| 81.2.137.102 | 1359120742 | 0 |
| 81.2.137.103 | 1359120743 | 0 |
| 81.2.137.104 | 1359120744 | 0 |
| 81.2.137.105 | 1359120745 | 0 |
| 81.2.137.106 | 1359120746 | 0 |
| 81.2.137.107 | 1359120747 | 0 |
| 81.2.137.108 | 1359120748 | 0 |
| 81.2.137.109 | 1359120749 | 0 |
| 81.2.137.110 | 1359120750 | 0 |
| 81.2.137.111 | 1359120751 | 0 |
| 81.2.137.112 | 1359120752 | 0 |
| 81.2.137.113 | 1359120753 | 0 |
| 81.2.137.114 | 1359120754 | 0 |
| 81.2.137.115 | 1359120755 | 0 |
| 81.2.137.116 | 1359120756 | 0 |
| 81.2.137.117 | 1359120757 | 0 |
| 81.2.137.118 | 1359120758 | 0 |
| 81.2.137.119 | 1359120759 | 0 |
| 81.2.137.120 | 1359120760 | 0 |
| 81.2.137.121 | 1359120761 | 0 |
| 81.2.137.122 | 1359120762 | 0 |
| 81.2.137.123 | 1359120763 | 0 |
| 81.2.137.124 | 1359120764 | 0 |
| 81.2.137.125 | 1359120765 | 0 |
| 81.2.137.126 | 1359120766 | 0 |
| 81.2.137.127 | 1359120767 | 0 |
| 81.2.137.128 | 1359120768 | 0 |
| 81.2.137.129 | 1359120769 | 0 |
| 81.2.137.130 | 1359120770 | 0 |
| 81.2.137.131 | 1359120771 | 0 |
| 81.2.137.132 | 1359120772 | 0 |
| 81.2.137.133 | 1359120773 | 0 |
| 81.2.137.134 | 1359120774 | 0 |
| 81.2.137.135 | 1359120775 | 0 |
| 81.2.137.136 | 1359120776 | 0 |
| 81.2.137.137 | 1359120777 | 0 |
| 81.2.137.138 | 1359120778 | 0 |
| 81.2.137.139 | 1359120779 | 0 |
| 81.2.137.140 | 1359120780 | 0 |
| 81.2.137.141 | 1359120781 | 0 |
| 81.2.137.142 | 1359120782 | 0 |
| 81.2.137.143 | 1359120783 | 0 |
| 81.2.137.144 | 1359120784 | 0 |
| 81.2.137.145 | 1359120785 | 0 |
| 81.2.137.146 | 1359120786 | 0 |
| 81.2.137.147 | 1359120787 | 0 |
| 81.2.137.148 | 1359120788 | 0 |
| 81.2.137.149 | 1359120789 | 0 |
| 81.2.137.150 | 1359120790 | 0 |
| 81.2.137.151 | 1359120791 | 0 |
| 81.2.137.152 | 1359120792 | 0 |
| 81.2.137.153 | 1359120793 | 0 |
| 81.2.137.154 | 1359120794 | 0 |
| 81.2.137.155 | 1359120795 | 0 |
| 81.2.137.156 | 1359120796 | 0 |
| 81.2.137.157 | 1359120797 | 0 |
| 81.2.137.158 | 1359120798 | 0 |
| 81.2.137.159 | 1359120799 | 0 |
| 81.2.137.160 | 1359120800 | 0 |
| 81.2.137.161 | 1359120801 | 0 |
| 81.2.137.162 | 1359120802 | 0 |
| 81.2.137.163 | 1359120803 | 0 |
| 81.2.137.164 | 1359120804 | 0 |
| 81.2.137.165 | 1359120805 | 0 |
| 81.2.137.166 | 1359120806 | 0 |
| 81.2.137.167 | 1359120807 | 0 |
| 81.2.137.168 | 1359120808 | 0 |
| 81.2.137.169 | 1359120809 | 0 |
| 81.2.137.170 | 1359120810 | 0 |
| 81.2.137.171 | 1359120811 | 0 |
| IP | Numerical IP | DNS |
| 81.2.137.172 | 1359120812 | 0 |
| 81.2.137.173 | 1359120813 | 0 |
| 81.2.137.174 | 1359120814 | 0 |
| 81.2.137.175 | 1359120815 | 0 |
| 81.2.137.176 | 1359120816 | 0 |
| 81.2.137.177 | 1359120817 | 0 |
| 81.2.137.178 | 1359120818 | 0 |
| 81.2.137.179 | 1359120819 | 0 |
| 81.2.137.180 | 1359120820 | 0 |
| 81.2.137.181 | 1359120821 | 0 |
| 81.2.137.182 | 1359120822 | 0 |
| 81.2.137.183 | 1359120823 | 0 |
| 81.2.137.184 | 1359120824 | 0 |
| 81.2.137.185 | 1359120825 | 0 |
| 81.2.137.186 | 1359120826 | 0 |
| 81.2.137.187 | 1359120827 | 0 |
| 81.2.137.188 | 1359120828 | 0 |
| 81.2.137.189 | 1359120829 | 0 |
| 81.2.137.190 | 1359120830 | 0 |
| 81.2.137.191 | 1359120831 | 0 |
| 81.2.137.192 | 1359120832 | 0 |
| 81.2.137.193 | 1359120833 | 0 |
| 81.2.137.194 | 1359120834 | 0 |
| 81.2.137.195 | 1359120835 | 0 |
| 81.2.137.196 | 1359120836 | 0 |
| 81.2.137.197 | 1359120837 | 0 |
| 81.2.137.198 | 1359120838 | 0 |
| 81.2.137.199 | 1359120839 | 0 |
| 81.2.137.200 | 1359120840 | 0 |
| 81.2.137.201 | 1359120841 | 0 |
| 81.2.137.202 | 1359120842 | 0 |
| 81.2.137.203 | 1359120843 | 0 |
| 81.2.137.204 | 1359120844 | 0 |
| 81.2.137.205 | 1359120845 | 0 |
| 81.2.137.206 | 1359120846 | 0 |
| 81.2.137.207 | 1359120847 | 0 |
| 81.2.137.208 | 1359120848 | 0 |
| 81.2.137.209 | 1359120849 | 0 |
| 81.2.137.210 | 1359120850 | 0 |
| 81.2.137.211 | 1359120851 | 0 |
| 81.2.137.212 | 1359120852 | 0 |
| 81.2.137.213 | 1359120853 | 0 |
| 81.2.137.214 | 1359120854 | 0 |
| 81.2.137.215 | 1359120855 | 0 |
| 81.2.137.216 | 1359120856 | 0 |
| 81.2.137.217 | 1359120857 | 0 |
| 81.2.137.218 | 1359120858 | 0 |
| 81.2.137.219 | 1359120859 | 0 |
| 81.2.137.220 | 1359120860 | 0 |
| 81.2.137.221 | 1359120861 | 0 |
| 81.2.137.222 | 1359120862 | 0 |
| 81.2.137.223 | 1359120863 | 0 |
| 81.2.137.224 | 1359120864 | 0 |
| 81.2.137.225 | 1359120865 | 0 |
| 81.2.137.226 | 1359120866 | 0 |
| 81.2.137.227 | 1359120867 | 0 |
| 81.2.137.228 | 1359120868 | 0 |
| 81.2.137.229 | 1359120869 | 0 |
| 81.2.137.230 | 1359120870 | 0 |
| 81.2.137.231 | 1359120871 | 0 |
| 81.2.137.232 | 1359120872 | 0 |
| 81.2.137.233 | 1359120873 | 0 |
| 81.2.137.234 | 1359120874 | 0 |
| 81.2.137.235 | 1359120875 | 0 |
| 81.2.137.236 | 1359120876 | 0 |
| 81.2.137.237 | 1359120877 | 0 |
| 81.2.137.238 | 1359120878 | 0 |
| 81.2.137.239 | 1359120879 | 0 |
| 81.2.137.240 | 1359120880 | 0 |
| 81.2.137.241 | 1359120881 | 0 |
| 81.2.137.242 | 1359120882 | 0 |
| 81.2.137.243 | 1359120883 | 0 |
| 81.2.137.244 | 1359120884 | 0 |
| 81.2.137.245 | 1359120885 | 0 |
| 81.2.137.246 | 1359120886 | 0 |
| 81.2.137.247 | 1359120887 | 0 |
| 81.2.137.248 | 1359120888 | 0 |
| 81.2.137.249 | 1359120889 | 0 |
| 81.2.137.250 | 1359120890 | 0 |
| 81.2.137.251 | 1359120891 | 0 |
| 81.2.137.252 | 1359120892 | 0 |
| 81.2.137.253 | 1359120893 | 0 |
| 81.2.137.254 | 1359120894 | 0 |
| 81.2.137.255 | 1359120895 | 0 |