L'indirizzo IP 81.91.83 è fornito da , che è di proprietà del CIDR (Classless Inter-Domain Routing) 81.91.80.0/20, IP tra 81.91.80.0 a 81.91.95.255 ). Il numero di sistema autonomo (ASN) è 39790.
| ASN | 39790 |
| IP inizia con | 81.91.80.0 |
| IP finale con | 81.91.95.255 |
| ASN Nome | |
| CDIR | 81.91.80.0/20 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 05/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | CZ | Czech Republic | - | Hradec | 49,8704 | 17,8784 | 2017-07-05 |
| MaxMind | CZ | Czechia | - | - | 50,0848 | 14,4112 | 2017-07-05 |
| Whois | CZ | - | - | - | 15 | 50 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.91.83.0 | 1364939520 | 0 |
| 81.91.83.1 | 1364939521 | 0 |
| 81.91.83.2 | 1364939522 | 0 |
| 81.91.83.3 | 1364939523 | 0 |
| 81.91.83.4 | 1364939524 | 0 |
| 81.91.83.5 | 1364939525 | 0 |
| 81.91.83.6 | 1364939526 | 0 |
| 81.91.83.7 | 1364939527 | 0 |
| 81.91.83.8 | 1364939528 | 0 |
| 81.91.83.9 | 1364939529 | 0 |
| 81.91.83.10 | 1364939530 | 0 |
| 81.91.83.11 | 1364939531 | 0 |
| 81.91.83.12 | 1364939532 | 0 |
| 81.91.83.13 | 1364939533 | 0 |
| 81.91.83.14 | 1364939534 | 0 |
| 81.91.83.15 | 1364939535 | 0 |
| 81.91.83.16 | 1364939536 | 0 |
| 81.91.83.17 | 1364939537 | 0 |
| 81.91.83.18 | 1364939538 | 0 |
| 81.91.83.19 | 1364939539 | 0 |
| 81.91.83.20 | 1364939540 | 0 |
| 81.91.83.21 | 1364939541 | 0 |
| 81.91.83.22 | 1364939542 | 0 |
| 81.91.83.23 | 1364939543 | 0 |
| 81.91.83.24 | 1364939544 | 0 |
| 81.91.83.25 | 1364939545 | 0 |
| 81.91.83.26 | 1364939546 | 0 |
| 81.91.83.27 | 1364939547 | 0 |
| 81.91.83.28 | 1364939548 | 0 |
| 81.91.83.29 | 1364939549 | 0 |
| 81.91.83.30 | 1364939550 | 0 |
| 81.91.83.31 | 1364939551 | 0 |
| 81.91.83.32 | 1364939552 | 0 |
| 81.91.83.33 | 1364939553 | 0 |
| 81.91.83.34 | 1364939554 | 0 |
| 81.91.83.35 | 1364939555 | 0 |
| 81.91.83.36 | 1364939556 | 0 |
| 81.91.83.37 | 1364939557 | 0 |
| 81.91.83.38 | 1364939558 | 0 |
| 81.91.83.39 | 1364939559 | 0 |
| 81.91.83.40 | 1364939560 | 0 |
| 81.91.83.41 | 1364939561 | 0 |
| 81.91.83.42 | 1364939562 | 0 |
| 81.91.83.43 | 1364939563 | 0 |
| 81.91.83.44 | 1364939564 | 0 |
| 81.91.83.45 | 1364939565 | 0 |
| 81.91.83.46 | 1364939566 | 0 |
| 81.91.83.47 | 1364939567 | 0 |
| 81.91.83.48 | 1364939568 | 0 |
| 81.91.83.49 | 1364939569 | 0 |
| 81.91.83.50 | 1364939570 | 0 |
| 81.91.83.51 | 1364939571 | 0 |
| 81.91.83.52 | 1364939572 | 0 |
| 81.91.83.53 | 1364939573 | 0 |
| 81.91.83.54 | 1364939574 | 0 |
| 81.91.83.55 | 1364939575 | 0 |
| 81.91.83.56 | 1364939576 | 0 |
| 81.91.83.57 | 1364939577 | 0 |
| 81.91.83.58 | 1364939578 | 0 |
| 81.91.83.59 | 1364939579 | 0 |
| 81.91.83.60 | 1364939580 | 0 |
| 81.91.83.61 | 1364939581 | 0 |
| 81.91.83.62 | 1364939582 | 0 |
| 81.91.83.63 | 1364939583 | 0 |
| 81.91.83.64 | 1364939584 | 0 |
| 81.91.83.65 | 1364939585 | 0 |
| 81.91.83.66 | 1364939586 | 0 |
| 81.91.83.67 | 1364939587 | 0 |
| 81.91.83.68 | 1364939588 | 0 |
| 81.91.83.69 | 1364939589 | 0 |
| 81.91.83.70 | 1364939590 | 0 |
| 81.91.83.71 | 1364939591 | 0 |
| 81.91.83.72 | 1364939592 | 0 |
| 81.91.83.73 | 1364939593 | 0 |
| 81.91.83.74 | 1364939594 | 0 |
| 81.91.83.75 | 1364939595 | 0 |
| 81.91.83.76 | 1364939596 | 0 |
| 81.91.83.77 | 1364939597 | 0 |
| 81.91.83.78 | 1364939598 | 0 |
| 81.91.83.79 | 1364939599 | 0 |
| 81.91.83.80 | 1364939600 | 0 |
| 81.91.83.81 | 1364939601 | 0 |
| 81.91.83.82 | 1364939602 | 0 |
| 81.91.83.83 | 1364939603 | 0 |
| 81.91.83.84 | 1364939604 | 0 |
| 81.91.83.85 | 1364939605 | 0 |
| IP | Numerical IP | DNS |
| 81.91.83.86 | 1364939606 | 0 |
| 81.91.83.87 | 1364939607 | 0 |
| 81.91.83.88 | 1364939608 | 0 |
| 81.91.83.89 | 1364939609 | 0 |
| 81.91.83.90 | 1364939610 | 0 |
| 81.91.83.91 | 1364939611 | 0 |
| 81.91.83.92 | 1364939612 | 0 |
| 81.91.83.93 | 1364939613 | 0 |
| 81.91.83.94 | 1364939614 | 0 |
| 81.91.83.95 | 1364939615 | 0 |
| 81.91.83.96 | 1364939616 | 0 |
| 81.91.83.97 | 1364939617 | 0 |
| 81.91.83.98 | 1364939618 | 0 |
| 81.91.83.99 | 1364939619 | 0 |
| 81.91.83.100 | 1364939620 | 0 |
| 81.91.83.101 | 1364939621 | 0 |
| 81.91.83.102 | 1364939622 | 0 |
| 81.91.83.103 | 1364939623 | 0 |
| 81.91.83.104 | 1364939624 | 0 |
| 81.91.83.105 | 1364939625 | 0 |
| 81.91.83.106 | 1364939626 | 0 |
| 81.91.83.107 | 1364939627 | 0 |
| 81.91.83.108 | 1364939628 | 0 |
| 81.91.83.109 | 1364939629 | 0 |
| 81.91.83.110 | 1364939630 | 0 |
| 81.91.83.111 | 1364939631 | 0 |
| 81.91.83.112 | 1364939632 | 0 |
| 81.91.83.113 | 1364939633 | 0 |
| 81.91.83.114 | 1364939634 | 0 |
| 81.91.83.115 | 1364939635 | 0 |
| 81.91.83.116 | 1364939636 | 0 |
| 81.91.83.117 | 1364939637 | 0 |
| 81.91.83.118 | 1364939638 | 0 |
| 81.91.83.119 | 1364939639 | 0 |
| 81.91.83.120 | 1364939640 | 0 |
| 81.91.83.121 | 1364939641 | 0 |
| 81.91.83.122 | 1364939642 | 0 |
| 81.91.83.123 | 1364939643 | 0 |
| 81.91.83.124 | 1364939644 | 0 |
| 81.91.83.125 | 1364939645 | 0 |
| 81.91.83.126 | 1364939646 | 0 |
| 81.91.83.127 | 1364939647 | 0 |
| 81.91.83.128 | 1364939648 | 0 |
| 81.91.83.129 | 1364939649 | 0 |
| 81.91.83.130 | 1364939650 | 0 |
| 81.91.83.131 | 1364939651 | 0 |
| 81.91.83.132 | 1364939652 | 0 |
| 81.91.83.133 | 1364939653 | 0 |
| 81.91.83.134 | 1364939654 | 0 |
| 81.91.83.135 | 1364939655 | 0 |
| 81.91.83.136 | 1364939656 | 0 |
| 81.91.83.137 | 1364939657 | 0 |
| 81.91.83.138 | 1364939658 | 0 |
| 81.91.83.139 | 1364939659 | 0 |
| 81.91.83.140 | 1364939660 | 0 |
| 81.91.83.141 | 1364939661 | 0 |
| 81.91.83.142 | 1364939662 | 0 |
| 81.91.83.143 | 1364939663 | 0 |
| 81.91.83.144 | 1364939664 | 0 |
| 81.91.83.145 | 1364939665 | 0 |
| 81.91.83.146 | 1364939666 | 0 |
| 81.91.83.147 | 1364939667 | 0 |
| 81.91.83.148 | 1364939668 | 0 |
| 81.91.83.149 | 1364939669 | 0 |
| 81.91.83.150 | 1364939670 | 0 |
| 81.91.83.151 | 1364939671 | 0 |
| 81.91.83.152 | 1364939672 | 0 |
| 81.91.83.153 | 1364939673 | 0 |
| 81.91.83.154 | 1364939674 | 0 |
| 81.91.83.155 | 1364939675 | 0 |
| 81.91.83.156 | 1364939676 | 0 |
| 81.91.83.157 | 1364939677 | 0 |
| 81.91.83.158 | 1364939678 | 0 |
| 81.91.83.159 | 1364939679 | 0 |
| 81.91.83.160 | 1364939680 | 0 |
| 81.91.83.161 | 1364939681 | 0 |
| 81.91.83.162 | 1364939682 | 0 |
| 81.91.83.163 | 1364939683 | 0 |
| 81.91.83.164 | 1364939684 | 0 |
| 81.91.83.165 | 1364939685 | 0 |
| 81.91.83.166 | 1364939686 | 0 |
| 81.91.83.167 | 1364939687 | 0 |
| 81.91.83.168 | 1364939688 | 0 |
| 81.91.83.169 | 1364939689 | 0 |
| 81.91.83.170 | 1364939690 | 0 |
| 81.91.83.171 | 1364939691 | 0 |
| IP | Numerical IP | DNS |
| 81.91.83.172 | 1364939692 | 0 |
| 81.91.83.173 | 1364939693 | 0 |
| 81.91.83.174 | 1364939694 | 0 |
| 81.91.83.175 | 1364939695 | 0 |
| 81.91.83.176 | 1364939696 | 0 |
| 81.91.83.177 | 1364939697 | 0 |
| 81.91.83.178 | 1364939698 | 0 |
| 81.91.83.179 | 1364939699 | 0 |
| 81.91.83.180 | 1364939700 | 0 |
| 81.91.83.181 | 1364939701 | 0 |
| 81.91.83.182 | 1364939702 | 0 |
| 81.91.83.183 | 1364939703 | 0 |
| 81.91.83.184 | 1364939704 | 0 |
| 81.91.83.185 | 1364939705 | 0 |
| 81.91.83.186 | 1364939706 | 0 |
| 81.91.83.187 | 1364939707 | 0 |
| 81.91.83.188 | 1364939708 | 0 |
| 81.91.83.189 | 1364939709 | 0 |
| 81.91.83.190 | 1364939710 | 0 |
| 81.91.83.191 | 1364939711 | 0 |
| 81.91.83.192 | 1364939712 | 0 |
| 81.91.83.193 | 1364939713 | 0 |
| 81.91.83.194 | 1364939714 | 0 |
| 81.91.83.195 | 1364939715 | 0 |
| 81.91.83.196 | 1364939716 | 0 |
| 81.91.83.197 | 1364939717 | 0 |
| 81.91.83.198 | 1364939718 | 0 |
| 81.91.83.199 | 1364939719 | 0 |
| 81.91.83.200 | 1364939720 | 0 |
| 81.91.83.201 | 1364939721 | 0 |
| 81.91.83.202 | 1364939722 | 0 |
| 81.91.83.203 | 1364939723 | 0 |
| 81.91.83.204 | 1364939724 | 0 |
| 81.91.83.205 | 1364939725 | 0 |
| 81.91.83.206 | 1364939726 | 0 |
| 81.91.83.207 | 1364939727 | 0 |
| 81.91.83.208 | 1364939728 | 0 |
| 81.91.83.209 | 1364939729 | 0 |
| 81.91.83.210 | 1364939730 | 0 |
| 81.91.83.211 | 1364939731 | 0 |
| 81.91.83.212 | 1364939732 | 0 |
| 81.91.83.213 | 1364939733 | 0 |
| 81.91.83.214 | 1364939734 | 0 |
| 81.91.83.215 | 1364939735 | 0 |
| 81.91.83.216 | 1364939736 | 0 |
| 81.91.83.217 | 1364939737 | 0 |
| 81.91.83.218 | 1364939738 | 0 |
| 81.91.83.219 | 1364939739 | 0 |
| 81.91.83.220 | 1364939740 | 0 |
| 81.91.83.221 | 1364939741 | 0 |
| 81.91.83.222 | 1364939742 | 0 |
| 81.91.83.223 | 1364939743 | 0 |
| 81.91.83.224 | 1364939744 | 0 |
| 81.91.83.225 | 1364939745 | 0 |
| 81.91.83.226 | 1364939746 | 0 |
| 81.91.83.227 | 1364939747 | 0 |
| 81.91.83.228 | 1364939748 | 0 |
| 81.91.83.229 | 1364939749 | 0 |
| 81.91.83.230 | 1364939750 | 0 |
| 81.91.83.231 | 1364939751 | 0 |
| 81.91.83.232 | 1364939752 | 0 |
| 81.91.83.233 | 1364939753 | 0 |
| 81.91.83.234 | 1364939754 | 0 |
| 81.91.83.235 | 1364939755 | 0 |
| 81.91.83.236 | 1364939756 | 0 |
| 81.91.83.237 | 1364939757 | 0 |
| 81.91.83.238 | 1364939758 | 0 |
| 81.91.83.239 | 1364939759 | 0 |
| 81.91.83.240 | 1364939760 | 0 |
| 81.91.83.241 | 1364939761 | 0 |
| 81.91.83.242 | 1364939762 | 0 |
| 81.91.83.243 | 1364939763 | 0 |
| 81.91.83.244 | 1364939764 | 0 |
| 81.91.83.245 | 1364939765 | 0 |
| 81.91.83.246 | 1364939766 | 0 |
| 81.91.83.247 | 1364939767 | 0 |
| 81.91.83.248 | 1364939768 | 0 |
| 81.91.83.249 | 1364939769 | 0 |
| 81.91.83.250 | 1364939770 | 0 |
| 81.91.83.251 | 1364939771 | 0 |
| 81.91.83.252 | 1364939772 | 0 |
| 81.91.83.253 | 1364939773 | 0 |
| 81.91.83.254 | 1364939774 | 0 |
| 81.91.83.255 | 1364939775 | 0 |