The IP address 121.83.71 is provided by K-Opticom Corporation, it's belong to the CDIR (Classless Inter-Domain Routing) 121.80.0.0/14 (range 121.80.0.0 to 121.83.255.255). The autonomous system number (ASN) is 17511.
| ASN | 17511 |
| IP starting by | 121.80.0.0 |
| IP ending by | 121.83.255.255 |
| ASN Name | K-Opticom Corporation |
| CDIR | 121.80.0.0/14 |
| Numerical IP | |
| Registry | apnic |
| Last update | 03/09/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | JP | Japan | - | Osaka | 34.6939 | 135.5022 | 2017-09-02 |
| MaxMind | JP | Japan | - | Kishiwada | 34.4667 | 135.3667 | 2017-09-02 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.83.71.0 | 2035500800 | 0 |
| 121.83.71.1 | 2035500801 | 0 |
| 121.83.71.2 | 2035500802 | 0 |
| 121.83.71.3 | 2035500803 | 0 |
| 121.83.71.4 | 2035500804 | 0 |
| 121.83.71.5 | 2035500805 | 0 |
| 121.83.71.6 | 2035500806 | 0 |
| 121.83.71.7 | 2035500807 | 0 |
| 121.83.71.8 | 2035500808 | 0 |
| 121.83.71.9 | 2035500809 | 0 |
| 121.83.71.10 | 2035500810 | 0 |
| 121.83.71.11 | 2035500811 | 0 |
| 121.83.71.12 | 2035500812 | 0 |
| 121.83.71.13 | 2035500813 | 0 |
| 121.83.71.14 | 2035500814 | 0 |
| 121.83.71.15 | 2035500815 | 0 |
| 121.83.71.16 | 2035500816 | 0 |
| 121.83.71.17 | 2035500817 | 0 |
| 121.83.71.18 | 2035500818 | 0 |
| 121.83.71.19 | 2035500819 | 0 |
| 121.83.71.20 | 2035500820 | 0 |
| 121.83.71.21 | 2035500821 | 0 |
| 121.83.71.22 | 2035500822 | 0 |
| 121.83.71.23 | 2035500823 | 0 |
| 121.83.71.24 | 2035500824 | 0 |
| 121.83.71.25 | 2035500825 | 0 |
| 121.83.71.26 | 2035500826 | 0 |
| 121.83.71.27 | 2035500827 | 0 |
| 121.83.71.28 | 2035500828 | 0 |
| 121.83.71.29 | 2035500829 | 0 |
| 121.83.71.30 | 2035500830 | 0 |
| 121.83.71.31 | 2035500831 | 0 |
| 121.83.71.32 | 2035500832 | 0 |
| 121.83.71.33 | 2035500833 | 0 |
| 121.83.71.34 | 2035500834 | 0 |
| 121.83.71.35 | 2035500835 | 0 |
| 121.83.71.36 | 2035500836 | 0 |
| 121.83.71.37 | 2035500837 | 0 |
| 121.83.71.38 | 2035500838 | 0 |
| 121.83.71.39 | 2035500839 | 0 |
| 121.83.71.40 | 2035500840 | 0 |
| 121.83.71.41 | 2035500841 | 0 |
| 121.83.71.42 | 2035500842 | 0 |
| 121.83.71.43 | 2035500843 | 0 |
| 121.83.71.44 | 2035500844 | 0 |
| 121.83.71.45 | 2035500845 | 0 |
| 121.83.71.46 | 2035500846 | 0 |
| 121.83.71.47 | 2035500847 | 0 |
| 121.83.71.48 | 2035500848 | 0 |
| 121.83.71.49 | 2035500849 | 0 |
| 121.83.71.50 | 2035500850 | 0 |
| 121.83.71.51 | 2035500851 | 0 |
| 121.83.71.52 | 2035500852 | 0 |
| 121.83.71.53 | 2035500853 | 0 |
| 121.83.71.54 | 2035500854 | 0 |
| 121.83.71.55 | 2035500855 | 0 |
| 121.83.71.56 | 2035500856 | 0 |
| 121.83.71.57 | 2035500857 | 0 |
| 121.83.71.58 | 2035500858 | 0 |
| 121.83.71.59 | 2035500859 | 0 |
| 121.83.71.60 | 2035500860 | 0 |
| 121.83.71.61 | 2035500861 | 0 |
| 121.83.71.62 | 2035500862 | 0 |
| 121.83.71.63 | 2035500863 | 0 |
| 121.83.71.64 | 2035500864 | 0 |
| 121.83.71.65 | 2035500865 | 0 |
| 121.83.71.66 | 2035500866 | 0 |
| 121.83.71.67 | 2035500867 | 0 |
| 121.83.71.68 | 2035500868 | 0 |
| 121.83.71.69 | 2035500869 | 0 |
| 121.83.71.70 | 2035500870 | 0 |
| 121.83.71.71 | 2035500871 | 0 |
| 121.83.71.72 | 2035500872 | 0 |
| 121.83.71.73 | 2035500873 | 0 |
| 121.83.71.74 | 2035500874 | 0 |
| 121.83.71.75 | 2035500875 | 0 |
| 121.83.71.76 | 2035500876 | 0 |
| 121.83.71.77 | 2035500877 | 0 |
| 121.83.71.78 | 2035500878 | 0 |
| 121.83.71.79 | 2035500879 | 0 |
| 121.83.71.80 | 2035500880 | 0 |
| 121.83.71.81 | 2035500881 | 0 |
| 121.83.71.82 | 2035500882 | 0 |
| 121.83.71.83 | 2035500883 | 0 |
| 121.83.71.84 | 2035500884 | 0 |
| 121.83.71.85 | 2035500885 | 0 |