L'indirizzo IP 121.83.4 è fornito da K-Opticom Corporation, che è di proprietà del CIDR (Classless Inter-Domain Routing) 121.80.0.0/14, IP tra 121.80.0.0 a 121.83.255.255 ). Il numero di sistema autonomo (ASN) è 17511.
| ASN | 17511 |
| IP inizia con | 121.80.0.0 |
| IP finale con | 121.83.255.255 |
| ASN Nome | K-Opticom Corporation |
| CDIR | 121.80.0.0/14 |
| IP numerico | |
| Registe | apnic |
| Ultimo aggiornamento | 04/08/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | JP | Japan | - | Himeji | 34,8167 | 134,7 | 2017-08-04 |
| MaxMind | JP | Japan | - | Toyooka | 35,5333 | 134,8333 | 2017-08-04 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.83.4.0 | 2035483648 | 0 |
| 121.83.4.1 | 2035483649 | 0 |
| 121.83.4.2 | 2035483650 | 0 |
| 121.83.4.3 | 2035483651 | 0 |
| 121.83.4.4 | 2035483652 | 0 |
| 121.83.4.5 | 2035483653 | 0 |
| 121.83.4.6 | 2035483654 | 0 |
| 121.83.4.7 | 2035483655 | 0 |
| 121.83.4.8 | 2035483656 | 0 |
| 121.83.4.9 | 2035483657 | 0 |
| 121.83.4.10 | 2035483658 | 0 |
| 121.83.4.11 | 2035483659 | 0 |
| 121.83.4.12 | 2035483660 | 0 |
| 121.83.4.13 | 2035483661 | 0 |
| 121.83.4.14 | 2035483662 | 0 |
| 121.83.4.15 | 2035483663 | 0 |
| 121.83.4.16 | 2035483664 | 0 |
| 121.83.4.17 | 2035483665 | 0 |
| 121.83.4.18 | 2035483666 | 0 |
| 121.83.4.19 | 2035483667 | 0 |
| 121.83.4.20 | 2035483668 | 0 |
| 121.83.4.21 | 2035483669 | 0 |
| 121.83.4.22 | 2035483670 | 0 |
| 121.83.4.23 | 2035483671 | 0 |
| 121.83.4.24 | 2035483672 | 0 |
| 121.83.4.25 | 2035483673 | 0 |
| 121.83.4.26 | 2035483674 | 0 |
| 121.83.4.27 | 2035483675 | 0 |
| 121.83.4.28 | 2035483676 | 0 |
| 121.83.4.29 | 2035483677 | 0 |
| 121.83.4.30 | 2035483678 | 0 |
| 121.83.4.31 | 2035483679 | 0 |
| 121.83.4.32 | 2035483680 | 0 |
| 121.83.4.33 | 2035483681 | 0 |
| 121.83.4.34 | 2035483682 | 0 |
| 121.83.4.35 | 2035483683 | 0 |
| 121.83.4.36 | 2035483684 | 0 |
| 121.83.4.37 | 2035483685 | 0 |
| 121.83.4.38 | 2035483686 | 0 |
| 121.83.4.39 | 2035483687 | 0 |
| 121.83.4.40 | 2035483688 | 0 |
| 121.83.4.41 | 2035483689 | 0 |
| 121.83.4.42 | 2035483690 | 0 |
| 121.83.4.43 | 2035483691 | 0 |
| 121.83.4.44 | 2035483692 | 0 |
| 121.83.4.45 | 2035483693 | 0 |
| 121.83.4.46 | 2035483694 | 0 |
| 121.83.4.47 | 2035483695 | 0 |
| 121.83.4.48 | 2035483696 | 0 |
| 121.83.4.49 | 2035483697 | 0 |
| 121.83.4.50 | 2035483698 | 0 |
| 121.83.4.51 | 2035483699 | 0 |
| 121.83.4.52 | 2035483700 | 0 |
| 121.83.4.53 | 2035483701 | 0 |
| 121.83.4.54 | 2035483702 | 0 |
| 121.83.4.55 | 2035483703 | 0 |
| 121.83.4.56 | 2035483704 | 0 |
| 121.83.4.57 | 2035483705 | 0 |
| 121.83.4.58 | 2035483706 | 0 |
| 121.83.4.59 | 2035483707 | 0 |
| 121.83.4.60 | 2035483708 | 0 |
| 121.83.4.61 | 2035483709 | 0 |
| 121.83.4.62 | 2035483710 | 0 |
| 121.83.4.63 | 2035483711 | 0 |
| 121.83.4.64 | 2035483712 | 0 |
| 121.83.4.65 | 2035483713 | 0 |
| 121.83.4.66 | 2035483714 | 0 |
| 121.83.4.67 | 2035483715 | 0 |
| 121.83.4.68 | 2035483716 | 0 |
| 121.83.4.69 | 2035483717 | 0 |
| 121.83.4.70 | 2035483718 | 0 |
| 121.83.4.71 | 2035483719 | 0 |
| 121.83.4.72 | 2035483720 | 0 |
| 121.83.4.73 | 2035483721 | 0 |
| 121.83.4.74 | 2035483722 | 0 |
| 121.83.4.75 | 2035483723 | 0 |
| 121.83.4.76 | 2035483724 | 0 |
| 121.83.4.77 | 2035483725 | 0 |
| 121.83.4.78 | 2035483726 | 0 |
| 121.83.4.79 | 2035483727 | 0 |
| 121.83.4.80 | 2035483728 | 0 |
| 121.83.4.81 | 2035483729 | 0 |
| 121.83.4.82 | 2035483730 | 0 |
| 121.83.4.83 | 2035483731 | 0 |
| 121.83.4.84 | 2035483732 | 0 |
| 121.83.4.85 | 2035483733 | 0 |
| IP | Numerical IP | DNS |
| 121.83.4.86 | 2035483734 | 0 |
| 121.83.4.87 | 2035483735 | 0 |
| 121.83.4.88 | 2035483736 | 0 |
| 121.83.4.89 | 2035483737 | 0 |
| 121.83.4.90 | 2035483738 | 0 |
| 121.83.4.91 | 2035483739 | 0 |
| 121.83.4.92 | 2035483740 | 0 |
| 121.83.4.93 | 2035483741 | 0 |
| 121.83.4.94 | 2035483742 | 0 |
| 121.83.4.95 | 2035483743 | 0 |
| 121.83.4.96 | 2035483744 | 0 |
| 121.83.4.97 | 2035483745 | 0 |
| 121.83.4.98 | 2035483746 | 0 |
| 121.83.4.99 | 2035483747 | 0 |
| 121.83.4.100 | 2035483748 | 0 |
| 121.83.4.101 | 2035483749 | 0 |
| 121.83.4.102 | 2035483750 | 0 |
| 121.83.4.103 | 2035483751 | 0 |
| 121.83.4.104 | 2035483752 | 0 |
| 121.83.4.105 | 2035483753 | 0 |
| 121.83.4.106 | 2035483754 | 0 |
| 121.83.4.107 | 2035483755 | 0 |
| 121.83.4.108 | 2035483756 | 0 |
| 121.83.4.109 | 2035483757 | 0 |
| 121.83.4.110 | 2035483758 | 0 |
| 121.83.4.111 | 2035483759 | 0 |
| 121.83.4.112 | 2035483760 | 0 |
| 121.83.4.113 | 2035483761 | 0 |
| 121.83.4.114 | 2035483762 | 0 |
| 121.83.4.115 | 2035483763 | 0 |
| 121.83.4.116 | 2035483764 | 0 |
| 121.83.4.117 | 2035483765 | 0 |
| 121.83.4.118 | 2035483766 | 0 |
| 121.83.4.119 | 2035483767 | 0 |
| 121.83.4.120 | 2035483768 | 0 |
| 121.83.4.121 | 2035483769 | 0 |
| 121.83.4.122 | 2035483770 | 0 |
| 121.83.4.123 | 2035483771 | 0 |
| 121.83.4.124 | 2035483772 | 0 |
| 121.83.4.125 | 2035483773 | 0 |
| 121.83.4.126 | 2035483774 | 0 |
| 121.83.4.127 | 2035483775 | 0 |
| 121.83.4.128 | 2035483776 | 0 |
| 121.83.4.129 | 2035483777 | 0 |
| 121.83.4.130 | 2035483778 | 0 |
| 121.83.4.131 | 2035483779 | 0 |
| 121.83.4.132 | 2035483780 | 0 |
| 121.83.4.133 | 2035483781 | 0 |
| 121.83.4.134 | 2035483782 | 0 |
| 121.83.4.135 | 2035483783 | 0 |
| 121.83.4.136 | 2035483784 | 0 |
| 121.83.4.137 | 2035483785 | 0 |
| 121.83.4.138 | 2035483786 | 0 |
| 121.83.4.139 | 2035483787 | 0 |
| 121.83.4.140 | 2035483788 | 0 |
| 121.83.4.141 | 2035483789 | 0 |
| 121.83.4.142 | 2035483790 | 0 |
| 121.83.4.143 | 2035483791 | 0 |
| 121.83.4.144 | 2035483792 | 0 |
| 121.83.4.145 | 2035483793 | 0 |
| 121.83.4.146 | 2035483794 | 0 |
| 121.83.4.147 | 2035483795 | 0 |
| 121.83.4.148 | 2035483796 | 0 |
| 121.83.4.149 | 2035483797 | 0 |
| 121.83.4.150 | 2035483798 | 0 |
| 121.83.4.151 | 2035483799 | 0 |
| 121.83.4.152 | 2035483800 | 0 |
| 121.83.4.153 | 2035483801 | 0 |
| 121.83.4.154 | 2035483802 | 0 |
| 121.83.4.155 | 2035483803 | 0 |
| 121.83.4.156 | 2035483804 | 0 |
| 121.83.4.157 | 2035483805 | 0 |
| 121.83.4.158 | 2035483806 | 0 |
| 121.83.4.159 | 2035483807 | 0 |
| 121.83.4.160 | 2035483808 | 0 |
| 121.83.4.161 | 2035483809 | 0 |
| 121.83.4.162 | 2035483810 | 0 |
| 121.83.4.163 | 2035483811 | 0 |
| 121.83.4.164 | 2035483812 | 0 |
| 121.83.4.165 | 2035483813 | 0 |
| 121.83.4.166 | 2035483814 | 0 |
| 121.83.4.167 | 2035483815 | 0 |
| 121.83.4.168 | 2035483816 | 0 |
| 121.83.4.169 | 2035483817 | 0 |
| 121.83.4.170 | 2035483818 | 0 |
| 121.83.4.171 | 2035483819 | 0 |
| IP | Numerical IP | DNS |
| 121.83.4.172 | 2035483820 | 0 |
| 121.83.4.173 | 2035483821 | 0 |
| 121.83.4.174 | 2035483822 | 0 |
| 121.83.4.175 | 2035483823 | 0 |
| 121.83.4.176 | 2035483824 | 0 |
| 121.83.4.177 | 2035483825 | 0 |
| 121.83.4.178 | 2035483826 | 0 |
| 121.83.4.179 | 2035483827 | 0 |
| 121.83.4.180 | 2035483828 | 0 |
| 121.83.4.181 | 2035483829 | 0 |
| 121.83.4.182 | 2035483830 | 0 |
| 121.83.4.183 | 2035483831 | 0 |
| 121.83.4.184 | 2035483832 | 0 |
| 121.83.4.185 | 2035483833 | 0 |
| 121.83.4.186 | 2035483834 | 0 |
| 121.83.4.187 | 2035483835 | 0 |
| 121.83.4.188 | 2035483836 | 0 |
| 121.83.4.189 | 2035483837 | 0 |
| 121.83.4.190 | 2035483838 | 0 |
| 121.83.4.191 | 2035483839 | 0 |
| 121.83.4.192 | 2035483840 | 0 |
| 121.83.4.193 | 2035483841 | 0 |
| 121.83.4.194 | 2035483842 | 0 |
| 121.83.4.195 | 2035483843 | 0 |
| 121.83.4.196 | 2035483844 | 0 |
| 121.83.4.197 | 2035483845 | 0 |
| 121.83.4.198 | 2035483846 | 0 |
| 121.83.4.199 | 2035483847 | 0 |
| 121.83.4.200 | 2035483848 | 0 |
| 121.83.4.201 | 2035483849 | 0 |
| 121.83.4.202 | 2035483850 | 0 |
| 121.83.4.203 | 2035483851 | 0 |
| 121.83.4.204 | 2035483852 | 0 |
| 121.83.4.205 | 2035483853 | 0 |
| 121.83.4.206 | 2035483854 | 0 |
| 121.83.4.207 | 2035483855 | 0 |
| 121.83.4.208 | 2035483856 | 0 |
| 121.83.4.209 | 2035483857 | 0 |
| 121.83.4.210 | 2035483858 | 0 |
| 121.83.4.211 | 2035483859 | 0 |
| 121.83.4.212 | 2035483860 | 0 |
| 121.83.4.213 | 2035483861 | 0 |
| 121.83.4.214 | 2035483862 | 0 |
| 121.83.4.215 | 2035483863 | 0 |
| 121.83.4.216 | 2035483864 | 0 |
| 121.83.4.217 | 2035483865 | 0 |
| 121.83.4.218 | 2035483866 | 0 |
| 121.83.4.219 | 2035483867 | 0 |
| 121.83.4.220 | 2035483868 | 0 |
| 121.83.4.221 | 2035483869 | 0 |
| 121.83.4.222 | 2035483870 | 0 |
| 121.83.4.223 | 2035483871 | 0 |
| 121.83.4.224 | 2035483872 | 0 |
| 121.83.4.225 | 2035483873 | 0 |
| 121.83.4.226 | 2035483874 | 0 |
| 121.83.4.227 | 2035483875 | 0 |
| 121.83.4.228 | 2035483876 | 0 |
| 121.83.4.229 | 2035483877 | 0 |
| 121.83.4.230 | 2035483878 | 0 |
| 121.83.4.231 | 2035483879 | 0 |
| 121.83.4.232 | 2035483880 | 0 |
| 121.83.4.233 | 2035483881 | 0 |
| 121.83.4.234 | 2035483882 | 0 |
| 121.83.4.235 | 2035483883 | 0 |
| 121.83.4.236 | 2035483884 | 0 |
| 121.83.4.237 | 2035483885 | 0 |
| 121.83.4.238 | 2035483886 | 0 |
| 121.83.4.239 | 2035483887 | 0 |
| 121.83.4.240 | 2035483888 | 0 |
| 121.83.4.241 | 2035483889 | 0 |
| 121.83.4.242 | 2035483890 | 0 |
| 121.83.4.243 | 2035483891 | 0 |
| 121.83.4.244 | 2035483892 | 0 |
| 121.83.4.245 | 2035483893 | 0 |
| 121.83.4.246 | 2035483894 | 0 |
| 121.83.4.247 | 2035483895 | 0 |
| 121.83.4.248 | 2035483896 | 0 |
| 121.83.4.249 | 2035483897 | 0 |
| 121.83.4.250 | 2035483898 | 0 |
| 121.83.4.251 | 2035483899 | 0 |
| 121.83.4.252 | 2035483900 | 0 |
| 121.83.4.253 | 2035483901 | 0 |
| 121.83.4.254 | 2035483902 | 0 |
| 121.83.4.255 | 2035483903 | 0 |