The IP address 121.83.33 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 | 16/08/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | JP | Japan | - | Otsu | 35.017 | 135.85 | 2017-08-15 |
| MaxMind | JP | Japan | - | Ōtsu | 35.0044 | 135.8683 | 2017-08-15 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.83.33.0 | 2035491072 | 0 |
| 121.83.33.1 | 2035491073 | 0 |
| 121.83.33.2 | 2035491074 | 0 |
| 121.83.33.3 | 2035491075 | 0 |
| 121.83.33.4 | 2035491076 | 0 |
| 121.83.33.5 | 2035491077 | 0 |
| 121.83.33.6 | 2035491078 | 0 |
| 121.83.33.7 | 2035491079 | 0 |
| 121.83.33.8 | 2035491080 | 0 |
| 121.83.33.9 | 2035491081 | 0 |
| 121.83.33.10 | 2035491082 | 0 |
| 121.83.33.11 | 2035491083 | 0 |
| 121.83.33.12 | 2035491084 | 0 |
| 121.83.33.13 | 2035491085 | 0 |
| 121.83.33.14 | 2035491086 | 0 |
| 121.83.33.15 | 2035491087 | 0 |
| 121.83.33.16 | 2035491088 | 0 |
| 121.83.33.17 | 2035491089 | 0 |
| 121.83.33.18 | 2035491090 | 0 |
| 121.83.33.19 | 2035491091 | 0 |
| 121.83.33.20 | 2035491092 | 0 |
| 121.83.33.21 | 2035491093 | 0 |
| 121.83.33.22 | 2035491094 | 0 |
| 121.83.33.23 | 2035491095 | 0 |
| 121.83.33.24 | 2035491096 | 0 |
| 121.83.33.25 | 2035491097 | 0 |
| 121.83.33.26 | 2035491098 | 0 |
| 121.83.33.27 | 2035491099 | 0 |
| 121.83.33.28 | 2035491100 | 0 |
| 121.83.33.29 | 2035491101 | 0 |
| 121.83.33.30 | 2035491102 | 0 |
| 121.83.33.31 | 2035491103 | 0 |
| 121.83.33.32 | 2035491104 | 0 |
| 121.83.33.33 | 2035491105 | 0 |
| 121.83.33.34 | 2035491106 | 0 |
| 121.83.33.35 | 2035491107 | 0 |
| 121.83.33.36 | 2035491108 | 0 |
| 121.83.33.37 | 2035491109 | 0 |
| 121.83.33.38 | 2035491110 | 0 |
| 121.83.33.39 | 2035491111 | 0 |
| 121.83.33.40 | 2035491112 | 0 |
| 121.83.33.41 | 2035491113 | 0 |
| 121.83.33.42 | 2035491114 | 0 |
| 121.83.33.43 | 2035491115 | 0 |
| 121.83.33.44 | 2035491116 | 0 |
| 121.83.33.45 | 2035491117 | 0 |
| 121.83.33.46 | 2035491118 | 0 |
| 121.83.33.47 | 2035491119 | 0 |
| 121.83.33.48 | 2035491120 | 0 |
| 121.83.33.49 | 2035491121 | 0 |
| 121.83.33.50 | 2035491122 | 0 |
| 121.83.33.51 | 2035491123 | 0 |
| 121.83.33.52 | 2035491124 | 0 |
| 121.83.33.53 | 2035491125 | 0 |
| 121.83.33.54 | 2035491126 | 0 |
| 121.83.33.55 | 2035491127 | 0 |
| 121.83.33.56 | 2035491128 | 0 |
| 121.83.33.57 | 2035491129 | 0 |
| 121.83.33.58 | 2035491130 | 0 |
| 121.83.33.59 | 2035491131 | 0 |
| 121.83.33.60 | 2035491132 | 0 |
| 121.83.33.61 | 2035491133 | 0 |
| 121.83.33.62 | 2035491134 | 0 |
| 121.83.33.63 | 2035491135 | 0 |
| 121.83.33.64 | 2035491136 | 0 |
| 121.83.33.65 | 2035491137 | 0 |
| 121.83.33.66 | 2035491138 | 0 |
| 121.83.33.67 | 2035491139 | 0 |
| 121.83.33.68 | 2035491140 | 0 |
| 121.83.33.69 | 2035491141 | 0 |
| 121.83.33.70 | 2035491142 | 0 |
| 121.83.33.71 | 2035491143 | 0 |
| 121.83.33.72 | 2035491144 | 0 |
| 121.83.33.73 | 2035491145 | 0 |
| 121.83.33.74 | 2035491146 | 0 |
| 121.83.33.75 | 2035491147 | 0 |
| 121.83.33.76 | 2035491148 | 0 |
| 121.83.33.77 | 2035491149 | 0 |
| 121.83.33.78 | 2035491150 | 0 |
| 121.83.33.79 | 2035491151 | 0 |
| 121.83.33.80 | 2035491152 | 0 |
| 121.83.33.81 | 2035491153 | 0 |
| 121.83.33.82 | 2035491154 | 0 |
| 121.83.33.83 | 2035491155 | 0 |
| 121.83.33.84 | 2035491156 | 0 |
| 121.83.33.85 | 2035491157 | 0 |