La dirección IP 81.2.172 es proporcionada por Cogent Communications, que es propiedad de la CIDR (Classless Inter-Domain Routing) 81.2.128.0/18, IP entre 81.2.128.0 a 81.2.191.255 ). El número de sistema autónomo (ASN) es 174.
| ASN | 174 |
| IP que comienzan con | 81.2.128.0 |
| IP que termina con | 81.2.191.255 |
| ASN Nombre | Cogent Communications |
| CDIR | 81.2.128.0/18 |
| IP numérica | |
| Registe | ripencc |
| Última actualización | 18/10/2018 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | AT | Austria | - | Vienna | 48,2085 | 16,3721 | 2019-07-17 |
| MaxMind | DE | Alemania | - | - | 51,2993 | 9,491 | 2019-07-17 |
| Whois | DE | - | - | - | 10 | 51 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.2.172.0 | 1359129600 | 0 |
| 81.2.172.1 | 1359129601 | 0 |
| 81.2.172.2 | 1359129602 | 0 |
| 81.2.172.3 | 1359129603 | 0 |
| 81.2.172.4 | 1359129604 | 0 |
| 81.2.172.5 | 1359129605 | 0 |
| 81.2.172.6 | 1359129606 | 0 |
| 81.2.172.7 | 1359129607 | 0 |
| 81.2.172.8 | 1359129608 | 0 |
| 81.2.172.9 | 1359129609 | 0 |
| 81.2.172.10 | 1359129610 | 0 |
| 81.2.172.11 | 1359129611 | 0 |
| 81.2.172.12 | 1359129612 | 0 |
| 81.2.172.13 | 1359129613 | 0 |
| 81.2.172.14 | 1359129614 | 0 |
| 81.2.172.15 | 1359129615 | 0 |
| 81.2.172.16 | 1359129616 | 0 |
| 81.2.172.17 | 1359129617 | 0 |
| 81.2.172.18 | 1359129618 | 0 |
| 81.2.172.19 | 1359129619 | 0 |
| 81.2.172.20 | 1359129620 | 0 |
| 81.2.172.21 | 1359129621 | 0 |
| 81.2.172.22 | 1359129622 | 0 |
| 81.2.172.23 | 1359129623 | 0 |
| 81.2.172.24 | 1359129624 | 0 |
| 81.2.172.25 | 1359129625 | 0 |
| 81.2.172.26 | 1359129626 | 0 |
| 81.2.172.27 | 1359129627 | 0 |
| 81.2.172.28 | 1359129628 | 0 |
| 81.2.172.29 | 1359129629 | 0 |
| 81.2.172.30 | 1359129630 | 0 |
| 81.2.172.31 | 1359129631 | 0 |
| 81.2.172.32 | 1359129632 | 0 |
| 81.2.172.33 | 1359129633 | 0 |
| 81.2.172.34 | 1359129634 | 0 |
| 81.2.172.35 | 1359129635 | 0 |
| 81.2.172.36 | 1359129636 | 0 |
| 81.2.172.37 | 1359129637 | 0 |
| 81.2.172.38 | 1359129638 | 0 |
| 81.2.172.39 | 1359129639 | 0 |
| 81.2.172.40 | 1359129640 | 0 |
| 81.2.172.41 | 1359129641 | 0 |
| 81.2.172.42 | 1359129642 | 0 |
| 81.2.172.43 | 1359129643 | 0 |
| 81.2.172.44 | 1359129644 | 0 |
| 81.2.172.45 | 1359129645 | 0 |
| 81.2.172.46 | 1359129646 | 0 |
| 81.2.172.47 | 1359129647 | 0 |
| 81.2.172.48 | 1359129648 | 0 |
| 81.2.172.49 | 1359129649 | 0 |
| 81.2.172.50 | 1359129650 | 0 |
| 81.2.172.51 | 1359129651 | 0 |
| 81.2.172.52 | 1359129652 | 0 |
| 81.2.172.53 | 1359129653 | 0 |
| 81.2.172.54 | 1359129654 | 0 |
| 81.2.172.55 | 1359129655 | 0 |
| 81.2.172.56 | 1359129656 | 0 |
| 81.2.172.57 | 1359129657 | 0 |
| 81.2.172.58 | 1359129658 | 0 |
| 81.2.172.59 | 1359129659 | 0 |
| 81.2.172.60 | 1359129660 | 0 |
| 81.2.172.61 | 1359129661 | 0 |
| 81.2.172.62 | 1359129662 | 0 |
| 81.2.172.63 | 1359129663 | 0 |
| 81.2.172.64 | 1359129664 | 0 |
| 81.2.172.65 | 1359129665 | 0 |
| 81.2.172.66 | 1359129666 | 0 |
| 81.2.172.67 | 1359129667 | 0 |
| 81.2.172.68 | 1359129668 | 0 |
| 81.2.172.69 | 1359129669 | 0 |
| 81.2.172.70 | 1359129670 | 0 |
| 81.2.172.71 | 1359129671 | 0 |
| 81.2.172.72 | 1359129672 | 0 |
| 81.2.172.73 | 1359129673 | 0 |
| 81.2.172.74 | 1359129674 | 0 |
| 81.2.172.75 | 1359129675 | 0 |
| 81.2.172.76 | 1359129676 | 0 |
| 81.2.172.77 | 1359129677 | 0 |
| 81.2.172.78 | 1359129678 | 0 |
| 81.2.172.79 | 1359129679 | 0 |
| 81.2.172.80 | 1359129680 | 0 |
| 81.2.172.81 | 1359129681 | 0 |
| 81.2.172.82 | 1359129682 | 0 |
| 81.2.172.83 | 1359129683 | 0 |
| 81.2.172.84 | 1359129684 | 0 |
| 81.2.172.85 | 1359129685 | 0 |
| IP | Numerical IP | DNS |
| 81.2.172.86 | 1359129686 | 0 |
| 81.2.172.87 | 1359129687 | 0 |
| 81.2.172.88 | 1359129688 | 0 |
| 81.2.172.89 | 1359129689 | 0 |
| 81.2.172.90 | 1359129690 | 0 |
| 81.2.172.91 | 1359129691 | 0 |
| 81.2.172.92 | 1359129692 | 0 |
| 81.2.172.93 | 1359129693 | 0 |
| 81.2.172.94 | 1359129694 | 0 |
| 81.2.172.95 | 1359129695 | 0 |
| 81.2.172.96 | 1359129696 | 0 |
| 81.2.172.97 | 1359129697 | 0 |
| 81.2.172.98 | 1359129698 | 0 |
| 81.2.172.99 | 1359129699 | 0 |
| 81.2.172.100 | 1359129700 | 0 |
| 81.2.172.101 | 1359129701 | 0 |
| 81.2.172.102 | 1359129702 | 0 |
| 81.2.172.103 | 1359129703 | 0 |
| 81.2.172.104 | 1359129704 | 0 |
| 81.2.172.105 | 1359129705 | 0 |
| 81.2.172.106 | 1359129706 | 0 |
| 81.2.172.107 | 1359129707 | 0 |
| 81.2.172.108 | 1359129708 | 0 |
| 81.2.172.109 | 1359129709 | 0 |
| 81.2.172.110 | 1359129710 | 0 |
| 81.2.172.111 | 1359129711 | 0 |
| 81.2.172.112 | 1359129712 | 0 |
| 81.2.172.113 | 1359129713 | 0 |
| 81.2.172.114 | 1359129714 | 0 |
| 81.2.172.115 | 1359129715 | 0 |
| 81.2.172.116 | 1359129716 | 0 |
| 81.2.172.117 | 1359129717 | 0 |
| 81.2.172.118 | 1359129718 | 0 |
| 81.2.172.119 | 1359129719 | 0 |
| 81.2.172.120 | 1359129720 | 0 |
| 81.2.172.121 | 1359129721 | 0 |
| 81.2.172.122 | 1359129722 | 0 |
| 81.2.172.123 | 1359129723 | 0 |
| 81.2.172.124 | 1359129724 | 0 |
| 81.2.172.125 | 1359129725 | 0 |
| 81.2.172.126 | 1359129726 | 0 |
| 81.2.172.127 | 1359129727 | 0 |
| 81.2.172.128 | 1359129728 | 0 |
| 81.2.172.129 | 1359129729 | 0 |
| 81.2.172.130 | 1359129730 | 0 |
| 81.2.172.131 | 1359129731 | 0 |
| 81.2.172.132 | 1359129732 | 0 |
| 81.2.172.133 | 1359129733 | 0 |
| 81.2.172.134 | 1359129734 | 0 |
| 81.2.172.135 | 1359129735 | 0 |
| 81.2.172.136 | 1359129736 | 0 |
| 81.2.172.137 | 1359129737 | 0 |
| 81.2.172.138 | 1359129738 | 0 |
| 81.2.172.139 | 1359129739 | 0 |
| 81.2.172.140 | 1359129740 | 0 |
| 81.2.172.141 | 1359129741 | 0 |
| 81.2.172.142 | 1359129742 | 0 |
| 81.2.172.143 | 1359129743 | 0 |
| 81.2.172.144 | 1359129744 | 0 |
| 81.2.172.145 | 1359129745 | 0 |
| 81.2.172.146 | 1359129746 | 0 |
| 81.2.172.147 | 1359129747 | 0 |
| 81.2.172.148 | 1359129748 | 0 |
| 81.2.172.149 | 1359129749 | 0 |
| 81.2.172.150 | 1359129750 | 0 |
| 81.2.172.151 | 1359129751 | 0 |
| 81.2.172.152 | 1359129752 | 0 |
| 81.2.172.153 | 1359129753 | 0 |
| 81.2.172.154 | 1359129754 | 0 |
| 81.2.172.155 | 1359129755 | 0 |
| 81.2.172.156 | 1359129756 | 0 |
| 81.2.172.157 | 1359129757 | 0 |
| 81.2.172.158 | 1359129758 | 0 |
| 81.2.172.159 | 1359129759 | 0 |
| 81.2.172.160 | 1359129760 | 0 |
| 81.2.172.161 | 1359129761 | 0 |
| 81.2.172.162 | 1359129762 | 0 |
| 81.2.172.163 | 1359129763 | 0 |
| 81.2.172.164 | 1359129764 | 0 |
| 81.2.172.165 | 1359129765 | 0 |
| 81.2.172.166 | 1359129766 | 0 |
| 81.2.172.167 | 1359129767 | 0 |
| 81.2.172.168 | 1359129768 | 0 |
| 81.2.172.169 | 1359129769 | 0 |
| 81.2.172.170 | 1359129770 | 0 |
| 81.2.172.171 | 1359129771 | 0 |
| IP | Numerical IP | DNS |
| 81.2.172.172 | 1359129772 | 0 |
| 81.2.172.173 | 1359129773 | 0 |
| 81.2.172.174 | 1359129774 | 0 |
| 81.2.172.175 | 1359129775 | 0 |
| 81.2.172.176 | 1359129776 | 0 |
| 81.2.172.177 | 1359129777 | 0 |
| 81.2.172.178 | 1359129778 | 0 |
| 81.2.172.179 | 1359129779 | 0 |
| 81.2.172.180 | 1359129780 | 0 |
| 81.2.172.181 | 1359129781 | 0 |
| 81.2.172.182 | 1359129782 | 0 |
| 81.2.172.183 | 1359129783 | 0 |
| 81.2.172.184 | 1359129784 | 0 |
| 81.2.172.185 | 1359129785 | 0 |
| 81.2.172.186 | 1359129786 | 0 |
| 81.2.172.187 | 1359129787 | 0 |
| 81.2.172.188 | 1359129788 | 0 |
| 81.2.172.189 | 1359129789 | 0 |
| 81.2.172.190 | 1359129790 | 0 |
| 81.2.172.191 | 1359129791 | 0 |
| 81.2.172.192 | 1359129792 | 0 |
| 81.2.172.193 | 1359129793 | 0 |
| 81.2.172.194 | 1359129794 | 0 |
| 81.2.172.195 | 1359129795 | 0 |
| 81.2.172.196 | 1359129796 | 0 |
| 81.2.172.197 | 1359129797 | 0 |
| 81.2.172.198 | 1359129798 | 0 |
| 81.2.172.199 | 1359129799 | 0 |
| 81.2.172.200 | 1359129800 | 0 |
| 81.2.172.201 | 1359129801 | 0 |
| 81.2.172.202 | 1359129802 | 0 |
| 81.2.172.203 | 1359129803 | 0 |
| 81.2.172.204 | 1359129804 | 0 |
| 81.2.172.205 | 1359129805 | 0 |
| 81.2.172.206 | 1359129806 | 0 |
| 81.2.172.207 | 1359129807 | 0 |
| 81.2.172.208 | 1359129808 | 0 |
| 81.2.172.209 | 1359129809 | 0 |
| 81.2.172.210 | 1359129810 | 0 |
| 81.2.172.211 | 1359129811 | 0 |
| 81.2.172.212 | 1359129812 | 0 |
| 81.2.172.213 | 1359129813 | 0 |
| 81.2.172.214 | 1359129814 | 0 |
| 81.2.172.215 | 1359129815 | 0 |
| 81.2.172.216 | 1359129816 | 0 |
| 81.2.172.217 | 1359129817 | 0 |
| 81.2.172.218 | 1359129818 | 0 |
| 81.2.172.219 | 1359129819 | 0 |
| 81.2.172.220 | 1359129820 | 0 |
| 81.2.172.221 | 1359129821 | 0 |
| 81.2.172.222 | 1359129822 | 0 |
| 81.2.172.223 | 1359129823 | 0 |
| 81.2.172.224 | 1359129824 | 0 |
| 81.2.172.225 | 1359129825 | 0 |
| 81.2.172.226 | 1359129826 | 0 |
| 81.2.172.227 | 1359129827 | 0 |
| 81.2.172.228 | 1359129828 | 0 |
| 81.2.172.229 | 1359129829 | 0 |
| 81.2.172.230 | 1359129830 | 0 |
| 81.2.172.231 | 1359129831 | 0 |
| 81.2.172.232 | 1359129832 | 0 |
| 81.2.172.233 | 1359129833 | 0 |
| 81.2.172.234 | 1359129834 | 0 |
| 81.2.172.235 | 1359129835 | 0 |
| 81.2.172.236 | 1359129836 | 0 |
| 81.2.172.237 | 1359129837 | 0 |
| 81.2.172.238 | 1359129838 | 0 |
| 81.2.172.239 | 1359129839 | 0 |
| 81.2.172.240 | 1359129840 | 0 |
| 81.2.172.241 | 1359129841 | 0 |
| 81.2.172.242 | 1359129842 | 0 |
| 81.2.172.243 | 1359129843 | 0 |
| 81.2.172.244 | 1359129844 | 0 |
| 81.2.172.245 | 1359129845 | 0 |
| 81.2.172.246 | 1359129846 | 0 |
| 81.2.172.247 | 1359129847 | 0 |
| 81.2.172.248 | 1359129848 | 0 |
| 81.2.172.249 | 1359129849 | 0 |
| 81.2.172.250 | 1359129850 | 0 |
| 81.2.172.251 | 1359129851 | 0 |
| 81.2.172.252 | 1359129852 | 0 |
| 81.2.172.253 | 1359129853 | 0 |
| 81.2.172.254 | 1359129854 | 0 |
| 81.2.172.255 | 1359129855 | 0 |