Les adresses IP débutant par 81.2.164 sont fournies par Cogent Communications, elles appartiennent au CIDR (Classless Inter-Domain Routing) 81.2.150.0/23, le bloc IP comprant les adresses de 81.2.150.0 à 81.2.151.255). Le numéro de système autonome (ASN) est 174.
| ASN | 174 |
| IP commençant par | 81.2.150.0 |
| IP se terminant par | 81.2.151.255 |
| Nom ASN | Cogent Communications |
| CDIR | 81.2.150.0/23 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 04/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | New York City | 40,7143 | -74,006 | 2017-07-03 |
| MaxMind | DE | Allemagne | - | - | 51,2993 | 9,491 | 2017-07-03 |
| Whois | DE | - | - | - | 10 | 51 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.2.164.0 | 1359127552 | 0 |
| 81.2.164.1 | 1359127553 | 0 |
| 81.2.164.2 | 1359127554 | 0 |
| 81.2.164.3 | 1359127555 | 0 |
| 81.2.164.4 | 1359127556 | 0 |
| 81.2.164.5 | 1359127557 | 0 |
| 81.2.164.6 | 1359127558 | 0 |
| 81.2.164.7 | 1359127559 | 0 |
| 81.2.164.8 | 1359127560 | 0 |
| 81.2.164.9 | 1359127561 | 0 |
| 81.2.164.10 | 1359127562 | 0 |
| 81.2.164.11 | 1359127563 | 0 |
| 81.2.164.12 | 1359127564 | 0 |
| 81.2.164.13 | 1359127565 | 0 |
| 81.2.164.14 | 1359127566 | 0 |
| 81.2.164.15 | 1359127567 | 0 |
| 81.2.164.16 | 1359127568 | 0 |
| 81.2.164.17 | 1359127569 | 0 |
| 81.2.164.18 | 1359127570 | 0 |
| 81.2.164.19 | 1359127571 | 0 |
| 81.2.164.20 | 1359127572 | 0 |
| 81.2.164.21 | 1359127573 | 0 |
| 81.2.164.22 | 1359127574 | 0 |
| 81.2.164.23 | 1359127575 | 0 |
| 81.2.164.24 | 1359127576 | 0 |
| 81.2.164.25 | 1359127577 | 0 |
| 81.2.164.26 | 1359127578 | 0 |
| 81.2.164.27 | 1359127579 | 0 |
| 81.2.164.28 | 1359127580 | 0 |
| 81.2.164.29 | 1359127581 | 0 |
| 81.2.164.30 | 1359127582 | 0 |
| 81.2.164.31 | 1359127583 | 0 |
| 81.2.164.32 | 1359127584 | 0 |
| 81.2.164.33 | 1359127585 | 0 |
| 81.2.164.34 | 1359127586 | 0 |
| 81.2.164.35 | 1359127587 | 0 |
| 81.2.164.36 | 1359127588 | 0 |
| 81.2.164.37 | 1359127589 | 0 |
| 81.2.164.38 | 1359127590 | 0 |
| 81.2.164.39 | 1359127591 | 0 |
| 81.2.164.40 | 1359127592 | 0 |
| 81.2.164.41 | 1359127593 | 0 |
| 81.2.164.42 | 1359127594 | 0 |
| 81.2.164.43 | 1359127595 | 0 |
| 81.2.164.44 | 1359127596 | 0 |
| 81.2.164.45 | 1359127597 | 0 |
| 81.2.164.46 | 1359127598 | 0 |
| 81.2.164.47 | 1359127599 | 0 |
| 81.2.164.48 | 1359127600 | 0 |
| 81.2.164.49 | 1359127601 | 0 |
| 81.2.164.50 | 1359127602 | 0 |
| 81.2.164.51 | 1359127603 | 0 |
| 81.2.164.52 | 1359127604 | 0 |
| 81.2.164.53 | 1359127605 | 0 |
| 81.2.164.54 | 1359127606 | 0 |
| 81.2.164.55 | 1359127607 | 0 |
| 81.2.164.56 | 1359127608 | 0 |
| 81.2.164.57 | 1359127609 | 0 |
| 81.2.164.58 | 1359127610 | 0 |
| 81.2.164.59 | 1359127611 | 0 |
| 81.2.164.60 | 1359127612 | 0 |
| 81.2.164.61 | 1359127613 | 0 |
| 81.2.164.62 | 1359127614 | 0 |
| 81.2.164.63 | 1359127615 | 0 |
| 81.2.164.64 | 1359127616 | 0 |
| 81.2.164.65 | 1359127617 | 0 |
| 81.2.164.66 | 1359127618 | 0 |
| 81.2.164.67 | 1359127619 | 0 |
| 81.2.164.68 | 1359127620 | 0 |
| 81.2.164.69 | 1359127621 | 0 |
| 81.2.164.70 | 1359127622 | 0 |
| 81.2.164.71 | 1359127623 | 0 |
| 81.2.164.72 | 1359127624 | 0 |
| 81.2.164.73 | 1359127625 | 0 |
| 81.2.164.74 | 1359127626 | 0 |
| 81.2.164.75 | 1359127627 | 0 |
| 81.2.164.76 | 1359127628 | 0 |
| 81.2.164.77 | 1359127629 | 0 |
| 81.2.164.78 | 1359127630 | 0 |
| 81.2.164.79 | 1359127631 | 0 |
| 81.2.164.80 | 1359127632 | 0 |
| 81.2.164.81 | 1359127633 | 0 |
| 81.2.164.82 | 1359127634 | 0 |
| 81.2.164.83 | 1359127635 | 0 |
| 81.2.164.84 | 1359127636 | 0 |
| 81.2.164.85 | 1359127637 | 0 |
| IP | Numerical IP | DNS |
| 81.2.164.86 | 1359127638 | 0 |
| 81.2.164.87 | 1359127639 | 0 |
| 81.2.164.88 | 1359127640 | 0 |
| 81.2.164.89 | 1359127641 | 0 |
| 81.2.164.90 | 1359127642 | 0 |
| 81.2.164.91 | 1359127643 | 0 |
| 81.2.164.92 | 1359127644 | 0 |
| 81.2.164.93 | 1359127645 | 0 |
| 81.2.164.94 | 1359127646 | 0 |
| 81.2.164.95 | 1359127647 | 0 |
| 81.2.164.96 | 1359127648 | 0 |
| 81.2.164.97 | 1359127649 | 0 |
| 81.2.164.98 | 1359127650 | 0 |
| 81.2.164.99 | 1359127651 | 0 |
| 81.2.164.100 | 1359127652 | 0 |
| 81.2.164.101 | 1359127653 | 0 |
| 81.2.164.102 | 1359127654 | 0 |
| 81.2.164.103 | 1359127655 | 0 |
| 81.2.164.104 | 1359127656 | 0 |
| 81.2.164.105 | 1359127657 | 0 |
| 81.2.164.106 | 1359127658 | 0 |
| 81.2.164.107 | 1359127659 | 0 |
| 81.2.164.108 | 1359127660 | 0 |
| 81.2.164.109 | 1359127661 | 0 |
| 81.2.164.110 | 1359127662 | 0 |
| 81.2.164.111 | 1359127663 | 0 |
| 81.2.164.112 | 1359127664 | 0 |
| 81.2.164.113 | 1359127665 | 0 |
| 81.2.164.114 | 1359127666 | 0 |
| 81.2.164.115 | 1359127667 | 0 |
| 81.2.164.116 | 1359127668 | 0 |
| 81.2.164.117 | 1359127669 | 0 |
| 81.2.164.118 | 1359127670 | 0 |
| 81.2.164.119 | 1359127671 | 0 |
| 81.2.164.120 | 1359127672 | 0 |
| 81.2.164.121 | 1359127673 | 0 |
| 81.2.164.122 | 1359127674 | 0 |
| 81.2.164.123 | 1359127675 | 0 |
| 81.2.164.124 | 1359127676 | 0 |
| 81.2.164.125 | 1359127677 | 0 |
| 81.2.164.126 | 1359127678 | 0 |
| 81.2.164.127 | 1359127679 | 0 |
| 81.2.164.128 | 1359127680 | 0 |
| 81.2.164.129 | 1359127681 | 0 |
| 81.2.164.130 | 1359127682 | 0 |
| 81.2.164.131 | 1359127683 | 0 |
| 81.2.164.132 | 1359127684 | 0 |
| 81.2.164.133 | 1359127685 | 0 |
| 81.2.164.134 | 1359127686 | 0 |
| 81.2.164.135 | 1359127687 | 0 |
| 81.2.164.136 | 1359127688 | 0 |
| 81.2.164.137 | 1359127689 | 0 |
| 81.2.164.138 | 1359127690 | 0 |
| 81.2.164.139 | 1359127691 | 0 |
| 81.2.164.140 | 1359127692 | 0 |
| 81.2.164.141 | 1359127693 | 0 |
| 81.2.164.142 | 1359127694 | 0 |
| 81.2.164.143 | 1359127695 | 0 |
| 81.2.164.144 | 1359127696 | 0 |
| 81.2.164.145 | 1359127697 | 0 |
| 81.2.164.146 | 1359127698 | 0 |
| 81.2.164.147 | 1359127699 | 0 |
| 81.2.164.148 | 1359127700 | 0 |
| 81.2.164.149 | 1359127701 | 0 |
| 81.2.164.150 | 1359127702 | 0 |
| 81.2.164.151 | 1359127703 | 0 |
| 81.2.164.152 | 1359127704 | 0 |
| 81.2.164.153 | 1359127705 | 0 |
| 81.2.164.154 | 1359127706 | 0 |
| 81.2.164.155 | 1359127707 | 0 |
| 81.2.164.156 | 1359127708 | 0 |
| 81.2.164.157 | 1359127709 | 0 |
| 81.2.164.158 | 1359127710 | 0 |
| 81.2.164.159 | 1359127711 | 0 |
| 81.2.164.160 | 1359127712 | 0 |
| 81.2.164.161 | 1359127713 | 0 |
| 81.2.164.162 | 1359127714 | 0 |
| 81.2.164.163 | 1359127715 | 0 |
| 81.2.164.164 | 1359127716 | 0 |
| 81.2.164.165 | 1359127717 | 0 |
| 81.2.164.166 | 1359127718 | 0 |
| 81.2.164.167 | 1359127719 | 0 |
| 81.2.164.168 | 1359127720 | 0 |
| 81.2.164.169 | 1359127721 | 0 |
| 81.2.164.170 | 1359127722 | 0 |
| 81.2.164.171 | 1359127723 | 0 |
| IP | Numerical IP | DNS |
| 81.2.164.172 | 1359127724 | 0 |
| 81.2.164.173 | 1359127725 | 0 |
| 81.2.164.174 | 1359127726 | 0 |
| 81.2.164.175 | 1359127727 | 0 |
| 81.2.164.176 | 1359127728 | 0 |
| 81.2.164.177 | 1359127729 | 0 |
| 81.2.164.178 | 1359127730 | 0 |
| 81.2.164.179 | 1359127731 | 0 |
| 81.2.164.180 | 1359127732 | 0 |
| 81.2.164.181 | 1359127733 | 0 |
| 81.2.164.182 | 1359127734 | 0 |
| 81.2.164.183 | 1359127735 | 0 |
| 81.2.164.184 | 1359127736 | 0 |
| 81.2.164.185 | 1359127737 | 0 |
| 81.2.164.186 | 1359127738 | 0 |
| 81.2.164.187 | 1359127739 | 0 |
| 81.2.164.188 | 1359127740 | 0 |
| 81.2.164.189 | 1359127741 | 0 |
| 81.2.164.190 | 1359127742 | 0 |
| 81.2.164.191 | 1359127743 | 0 |
| 81.2.164.192 | 1359127744 | 0 |
| 81.2.164.193 | 1359127745 | 0 |
| 81.2.164.194 | 1359127746 | 0 |
| 81.2.164.195 | 1359127747 | 0 |
| 81.2.164.196 | 1359127748 | 0 |
| 81.2.164.197 | 1359127749 | 0 |
| 81.2.164.198 | 1359127750 | 0 |
| 81.2.164.199 | 1359127751 | 0 |
| 81.2.164.200 | 1359127752 | 0 |
| 81.2.164.201 | 1359127753 | 0 |
| 81.2.164.202 | 1359127754 | 0 |
| 81.2.164.203 | 1359127755 | 0 |
| 81.2.164.204 | 1359127756 | 0 |
| 81.2.164.205 | 1359127757 | 0 |
| 81.2.164.206 | 1359127758 | 0 |
| 81.2.164.207 | 1359127759 | 0 |
| 81.2.164.208 | 1359127760 | 0 |
| 81.2.164.209 | 1359127761 | 0 |
| 81.2.164.210 | 1359127762 | 0 |
| 81.2.164.211 | 1359127763 | 0 |
| 81.2.164.212 | 1359127764 | 0 |
| 81.2.164.213 | 1359127765 | 0 |
| 81.2.164.214 | 1359127766 | 0 |
| 81.2.164.215 | 1359127767 | 0 |
| 81.2.164.216 | 1359127768 | 0 |
| 81.2.164.217 | 1359127769 | 0 |
| 81.2.164.218 | 1359127770 | 0 |
| 81.2.164.219 | 1359127771 | 0 |
| 81.2.164.220 | 1359127772 | 0 |
| 81.2.164.221 | 1359127773 | 0 |
| 81.2.164.222 | 1359127774 | 0 |
| 81.2.164.223 | 1359127775 | 0 |
| 81.2.164.224 | 1359127776 | 0 |
| 81.2.164.225 | 1359127777 | 0 |
| 81.2.164.226 | 1359127778 | 0 |
| 81.2.164.227 | 1359127779 | 0 |
| 81.2.164.228 | 1359127780 | 0 |
| 81.2.164.229 | 1359127781 | 0 |
| 81.2.164.230 | 1359127782 | 0 |
| 81.2.164.231 | 1359127783 | 0 |
| 81.2.164.232 | 1359127784 | 0 |
| 81.2.164.233 | 1359127785 | 0 |
| 81.2.164.234 | 1359127786 | 0 |
| 81.2.164.235 | 1359127787 | 0 |
| 81.2.164.236 | 1359127788 | 0 |
| 81.2.164.237 | 1359127789 | 0 |
| 81.2.164.238 | 1359127790 | 0 |
| 81.2.164.239 | 1359127791 | 0 |
| 81.2.164.240 | 1359127792 | 0 |
| 81.2.164.241 | 1359127793 | 0 |
| 81.2.164.242 | 1359127794 | 0 |
| 81.2.164.243 | 1359127795 | 0 |
| 81.2.164.244 | 1359127796 | 0 |
| 81.2.164.245 | 1359127797 | 0 |
| 81.2.164.246 | 1359127798 | 0 |
| 81.2.164.247 | 1359127799 | 0 |
| 81.2.164.248 | 1359127800 | 0 |
| 81.2.164.249 | 1359127801 | 0 |
| 81.2.164.250 | 1359127802 | 0 |
| 81.2.164.251 | 1359127803 | 0 |
| 81.2.164.252 | 1359127804 | 0 |
| 81.2.164.253 | 1359127805 | 0 |
| 81.2.164.254 | 1359127806 | 0 |
| 81.2.164.255 | 1359127807 | 0 |