La dirección IP 121.2.21 es proporcionada por So-net Entertainment Corporation, que es propiedad de la CIDR (Classless Inter-Domain Routing) 121.2.0.0/15, IP entre 121.2.0.0 a 121.3.255.255 ). El número de sistema autónomo (ASN) es 2527.
| ASN | 2527 |
| IP que comienzan con | 121.2.0.0 |
| IP que termina con | 121.3.255.255 |
| ASN Nombre | So-net Entertainment Corporation |
| CDIR | 121.2.0.0/15 |
| IP numérica | |
| Registe | apnic |
| Última actualización | 17/12/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | JP | Japón | - | Mito | 36,367 | 140,467 | 2018-03-24 |
| MaxMind | JP | Japón | - | Toyama | 36,6953 | 137,2114 | 2018-03-24 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.2.21.0 | 2030179584 | 0 |
| 121.2.21.1 | 2030179585 | 0 |
| 121.2.21.2 | 2030179586 | 0 |
| 121.2.21.3 | 2030179587 | 0 |
| 121.2.21.4 | 2030179588 | 0 |
| 121.2.21.5 | 2030179589 | 0 |
| 121.2.21.6 | 2030179590 | 0 |
| 121.2.21.7 | 2030179591 | 0 |
| 121.2.21.8 | 2030179592 | 0 |
| 121.2.21.9 | 2030179593 | 0 |
| 121.2.21.10 | 2030179594 | 0 |
| 121.2.21.11 | 2030179595 | 0 |
| 121.2.21.12 | 2030179596 | 0 |
| 121.2.21.13 | 2030179597 | 0 |
| 121.2.21.14 | 2030179598 | 0 |
| 121.2.21.15 | 2030179599 | 0 |
| 121.2.21.16 | 2030179600 | 0 |
| 121.2.21.17 | 2030179601 | 0 |
| 121.2.21.18 | 2030179602 | 0 |
| 121.2.21.19 | 2030179603 | 0 |
| 121.2.21.20 | 2030179604 | 0 |
| 121.2.21.21 | 2030179605 | 0 |
| 121.2.21.22 | 2030179606 | 0 |
| 121.2.21.23 | 2030179607 | 0 |
| 121.2.21.24 | 2030179608 | 0 |
| 121.2.21.25 | 2030179609 | 0 |
| 121.2.21.26 | 2030179610 | 0 |
| 121.2.21.27 | 2030179611 | 0 |
| 121.2.21.28 | 2030179612 | 0 |
| 121.2.21.29 | 2030179613 | 0 |
| 121.2.21.30 | 2030179614 | 0 |
| 121.2.21.31 | 2030179615 | 0 |
| 121.2.21.32 | 2030179616 | 0 |
| 121.2.21.33 | 2030179617 | 0 |
| 121.2.21.34 | 2030179618 | 0 |
| 121.2.21.35 | 2030179619 | 0 |
| 121.2.21.36 | 2030179620 | 0 |
| 121.2.21.37 | 2030179621 | 0 |
| 121.2.21.38 | 2030179622 | 0 |
| 121.2.21.39 | 2030179623 | 0 |
| 121.2.21.40 | 2030179624 | 0 |
| 121.2.21.41 | 2030179625 | 0 |
| 121.2.21.42 | 2030179626 | 0 |
| 121.2.21.43 | 2030179627 | 0 |
| 121.2.21.44 | 2030179628 | 0 |
| 121.2.21.45 | 2030179629 | 0 |
| 121.2.21.46 | 2030179630 | 0 |
| 121.2.21.47 | 2030179631 | 0 |
| 121.2.21.48 | 2030179632 | 0 |
| 121.2.21.49 | 2030179633 | 0 |
| 121.2.21.50 | 2030179634 | 0 |
| 121.2.21.51 | 2030179635 | 0 |
| 121.2.21.52 | 2030179636 | 0 |
| 121.2.21.53 | 2030179637 | 0 |
| 121.2.21.54 | 2030179638 | 0 |
| 121.2.21.55 | 2030179639 | 0 |
| 121.2.21.56 | 2030179640 | 0 |
| 121.2.21.57 | 2030179641 | 0 |
| 121.2.21.58 | 2030179642 | 0 |
| 121.2.21.59 | 2030179643 | 0 |
| 121.2.21.60 | 2030179644 | 0 |
| 121.2.21.61 | 2030179645 | 0 |
| 121.2.21.62 | 2030179646 | 0 |
| 121.2.21.63 | 2030179647 | 0 |
| 121.2.21.64 | 2030179648 | 0 |
| 121.2.21.65 | 2030179649 | 0 |
| 121.2.21.66 | 2030179650 | 0 |
| 121.2.21.67 | 2030179651 | 0 |
| 121.2.21.68 | 2030179652 | 0 |
| 121.2.21.69 | 2030179653 | 0 |
| 121.2.21.70 | 2030179654 | 0 |
| 121.2.21.71 | 2030179655 | 0 |
| 121.2.21.72 | 2030179656 | 0 |
| 121.2.21.73 | 2030179657 | 0 |
| 121.2.21.74 | 2030179658 | 0 |
| 121.2.21.75 | 2030179659 | 0 |
| 121.2.21.76 | 2030179660 | 0 |
| 121.2.21.77 | 2030179661 | 0 |
| 121.2.21.78 | 2030179662 | 0 |
| 121.2.21.79 | 2030179663 | 0 |
| 121.2.21.80 | 2030179664 | 0 |
| 121.2.21.81 | 2030179665 | 0 |
| 121.2.21.82 | 2030179666 | 0 |
| 121.2.21.83 | 2030179667 | 0 |
| 121.2.21.84 | 2030179668 | 0 |
| 121.2.21.85 | 2030179669 | 0 |
| IP | Numerical IP | DNS |
| 121.2.21.86 | 2030179670 | 0 |
| 121.2.21.87 | 2030179671 | 0 |
| 121.2.21.88 | 2030179672 | 0 |
| 121.2.21.89 | 2030179673 | 0 |
| 121.2.21.90 | 2030179674 | 0 |
| 121.2.21.91 | 2030179675 | 0 |
| 121.2.21.92 | 2030179676 | 0 |
| 121.2.21.93 | 2030179677 | 0 |
| 121.2.21.94 | 2030179678 | 0 |
| 121.2.21.95 | 2030179679 | 0 |
| 121.2.21.96 | 2030179680 | 0 |
| 121.2.21.97 | 2030179681 | 0 |
| 121.2.21.98 | 2030179682 | 0 |
| 121.2.21.99 | 2030179683 | 0 |
| 121.2.21.100 | 2030179684 | 0 |
| 121.2.21.101 | 2030179685 | 0 |
| 121.2.21.102 | 2030179686 | 0 |
| 121.2.21.103 | 2030179687 | 0 |
| 121.2.21.104 | 2030179688 | 0 |
| 121.2.21.105 | 2030179689 | 0 |
| 121.2.21.106 | 2030179690 | 0 |
| 121.2.21.107 | 2030179691 | 0 |
| 121.2.21.108 | 2030179692 | 0 |
| 121.2.21.109 | 2030179693 | 0 |
| 121.2.21.110 | 2030179694 | 0 |
| 121.2.21.111 | 2030179695 | 0 |
| 121.2.21.112 | 2030179696 | 0 |
| 121.2.21.113 | 2030179697 | 0 |
| 121.2.21.114 | 2030179698 | 0 |
| 121.2.21.115 | 2030179699 | 0 |
| 121.2.21.116 | 2030179700 | 0 |
| 121.2.21.117 | 2030179701 | 0 |
| 121.2.21.118 | 2030179702 | 0 |
| 121.2.21.119 | 2030179703 | 0 |
| 121.2.21.120 | 2030179704 | 0 |
| 121.2.21.121 | 2030179705 | 0 |
| 121.2.21.122 | 2030179706 | 0 |
| 121.2.21.123 | 2030179707 | 0 |
| 121.2.21.124 | 2030179708 | 0 |
| 121.2.21.125 | 2030179709 | 0 |
| 121.2.21.126 | 2030179710 | 0 |
| 121.2.21.127 | 2030179711 | 0 |
| 121.2.21.128 | 2030179712 | 0 |
| 121.2.21.129 | 2030179713 | 0 |
| 121.2.21.130 | 2030179714 | 0 |
| 121.2.21.131 | 2030179715 | 0 |
| 121.2.21.132 | 2030179716 | 0 |
| 121.2.21.133 | 2030179717 | 0 |
| 121.2.21.134 | 2030179718 | 0 |
| 121.2.21.135 | 2030179719 | 0 |
| 121.2.21.136 | 2030179720 | 0 |
| 121.2.21.137 | 2030179721 | 0 |
| 121.2.21.138 | 2030179722 | 0 |
| 121.2.21.139 | 2030179723 | 0 |
| 121.2.21.140 | 2030179724 | 0 |
| 121.2.21.141 | 2030179725 | 0 |
| 121.2.21.142 | 2030179726 | 0 |
| 121.2.21.143 | 2030179727 | 0 |
| 121.2.21.144 | 2030179728 | 0 |
| 121.2.21.145 | 2030179729 | 0 |
| 121.2.21.146 | 2030179730 | 0 |
| 121.2.21.147 | 2030179731 | 0 |
| 121.2.21.148 | 2030179732 | 0 |
| 121.2.21.149 | 2030179733 | 0 |
| 121.2.21.150 | 2030179734 | 0 |
| 121.2.21.151 | 2030179735 | 0 |
| 121.2.21.152 | 2030179736 | 0 |
| 121.2.21.153 | 2030179737 | 0 |
| 121.2.21.154 | 2030179738 | 0 |
| 121.2.21.155 | 2030179739 | 0 |
| 121.2.21.156 | 2030179740 | 0 |
| 121.2.21.157 | 2030179741 | 0 |
| 121.2.21.158 | 2030179742 | 0 |
| 121.2.21.159 | 2030179743 | 0 |
| 121.2.21.160 | 2030179744 | 0 |
| 121.2.21.161 | 2030179745 | 0 |
| 121.2.21.162 | 2030179746 | 0 |
| 121.2.21.163 | 2030179747 | 0 |
| 121.2.21.164 | 2030179748 | 0 |
| 121.2.21.165 | 2030179749 | 0 |
| 121.2.21.166 | 2030179750 | 0 |
| 121.2.21.167 | 2030179751 | 0 |
| 121.2.21.168 | 2030179752 | 0 |
| 121.2.21.169 | 2030179753 | 0 |
| 121.2.21.170 | 2030179754 | 0 |
| 121.2.21.171 | 2030179755 | 0 |
| IP | Numerical IP | DNS |
| 121.2.21.172 | 2030179756 | 0 |
| 121.2.21.173 | 2030179757 | 0 |
| 121.2.21.174 | 2030179758 | 0 |
| 121.2.21.175 | 2030179759 | 0 |
| 121.2.21.176 | 2030179760 | 0 |
| 121.2.21.177 | 2030179761 | 0 |
| 121.2.21.178 | 2030179762 | 0 |
| 121.2.21.179 | 2030179763 | 0 |
| 121.2.21.180 | 2030179764 | 0 |
| 121.2.21.181 | 2030179765 | 0 |
| 121.2.21.182 | 2030179766 | 0 |
| 121.2.21.183 | 2030179767 | 0 |
| 121.2.21.184 | 2030179768 | 0 |
| 121.2.21.185 | 2030179769 | 0 |
| 121.2.21.186 | 2030179770 | 0 |
| 121.2.21.187 | 2030179771 | 0 |
| 121.2.21.188 | 2030179772 | 0 |
| 121.2.21.189 | 2030179773 | 0 |
| 121.2.21.190 | 2030179774 | 0 |
| 121.2.21.191 | 2030179775 | 0 |
| 121.2.21.192 | 2030179776 | 0 |
| 121.2.21.193 | 2030179777 | 0 |
| 121.2.21.194 | 2030179778 | 0 |
| 121.2.21.195 | 2030179779 | 0 |
| 121.2.21.196 | 2030179780 | 0 |
| 121.2.21.197 | 2030179781 | 0 |
| 121.2.21.198 | 2030179782 | 0 |
| 121.2.21.199 | 2030179783 | 0 |
| 121.2.21.200 | 2030179784 | 0 |
| 121.2.21.201 | 2030179785 | 0 |
| 121.2.21.202 | 2030179786 | 0 |
| 121.2.21.203 | 2030179787 | 0 |
| 121.2.21.204 | 2030179788 | 0 |
| 121.2.21.205 | 2030179789 | 0 |
| 121.2.21.206 | 2030179790 | 0 |
| 121.2.21.207 | 2030179791 | 0 |
| 121.2.21.208 | 2030179792 | 0 |
| 121.2.21.209 | 2030179793 | 0 |
| 121.2.21.210 | 2030179794 | 0 |
| 121.2.21.211 | 2030179795 | 0 |
| 121.2.21.212 | 2030179796 | 0 |
| 121.2.21.213 | 2030179797 | 0 |
| 121.2.21.214 | 2030179798 | 0 |
| 121.2.21.215 | 2030179799 | 0 |
| 121.2.21.216 | 2030179800 | 0 |
| 121.2.21.217 | 2030179801 | 0 |
| 121.2.21.218 | 2030179802 | 0 |
| 121.2.21.219 | 2030179803 | 0 |
| 121.2.21.220 | 2030179804 | 0 |
| 121.2.21.221 | 2030179805 | 0 |
| 121.2.21.222 | 2030179806 | 0 |
| 121.2.21.223 | 2030179807 | 0 |
| 121.2.21.224 | 2030179808 | 0 |
| 121.2.21.225 | 2030179809 | 0 |
| 121.2.21.226 | 2030179810 | 0 |
| 121.2.21.227 | 2030179811 | 0 |
| 121.2.21.228 | 2030179812 | 0 |
| 121.2.21.229 | 2030179813 | 0 |
| 121.2.21.230 | 2030179814 | 0 |
| 121.2.21.231 | 2030179815 | 0 |
| 121.2.21.232 | 2030179816 | 0 |
| 121.2.21.233 | 2030179817 | 0 |
| 121.2.21.234 | 2030179818 | 0 |
| 121.2.21.235 | 2030179819 | 0 |
| 121.2.21.236 | 2030179820 | 0 |
| 121.2.21.237 | 2030179821 | 0 |
| 121.2.21.238 | 2030179822 | 0 |
| 121.2.21.239 | 2030179823 | 0 |
| 121.2.21.240 | 2030179824 | 0 |
| 121.2.21.241 | 2030179825 | 0 |
| 121.2.21.242 | 2030179826 | 0 |
| 121.2.21.243 | 2030179827 | 0 |
| 121.2.21.244 | 2030179828 | 0 |
| 121.2.21.245 | 2030179829 | 0 |
| 121.2.21.246 | 2030179830 | 0 |
| 121.2.21.247 | 2030179831 | 0 |
| 121.2.21.248 | 2030179832 | 0 |
| 121.2.21.249 | 2030179833 | 0 |
| 121.2.21.250 | 2030179834 | 0 |
| 121.2.21.251 | 2030179835 | 0 |
| 121.2.21.252 | 2030179836 | 0 |
| 121.2.21.253 | 2030179837 | 0 |
| 121.2.21.254 | 2030179838 | 0 |
| 121.2.21.255 | 2030179839 | 0 |