Les adresses IP débutant par 121.85.55 sont fournies par K-Opticom Corporation, elles appartiennent au CIDR (Classless Inter-Domain Routing) 121.84.0.0/14, le bloc IP comprant les adresses de 121.84.0.0 à 121.87.255.255). Le numéro de système autonome (ASN) est 17511.
| ASN | 17511 |
| IP commençant par | 121.84.0.0 |
| IP se terminant par | 121.87.255.255 |
| Nom ASN | K-Opticom Corporation |
| CDIR | 121.84.0.0/14 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 06/08/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | JP | Japon | - | Himeji | 34,8167 | 134,7 | 2018-08-06 |
| MaxMind | JP | Japon | - | Osaka | 34,6864 | 135,52 | 2018-08-06 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.85.55.0 | 2035627776 | 0 |
| 121.85.55.1 | 2035627777 | 0 |
| 121.85.55.2 | 2035627778 | 0 |
| 121.85.55.3 | 2035627779 | 0 |
| 121.85.55.4 | 2035627780 | 0 |
| 121.85.55.5 | 2035627781 | 0 |
| 121.85.55.6 | 2035627782 | 0 |
| 121.85.55.7 | 2035627783 | 0 |
| 121.85.55.8 | 2035627784 | 0 |
| 121.85.55.9 | 2035627785 | 0 |
| 121.85.55.10 | 2035627786 | 0 |
| 121.85.55.11 | 2035627787 | 0 |
| 121.85.55.12 | 2035627788 | 0 |
| 121.85.55.13 | 2035627789 | 0 |
| 121.85.55.14 | 2035627790 | 0 |
| 121.85.55.15 | 2035627791 | 0 |
| 121.85.55.16 | 2035627792 | 0 |
| 121.85.55.17 | 2035627793 | 0 |
| 121.85.55.18 | 2035627794 | 0 |
| 121.85.55.19 | 2035627795 | 0 |
| 121.85.55.20 | 2035627796 | 0 |
| 121.85.55.21 | 2035627797 | 0 |
| 121.85.55.22 | 2035627798 | 0 |
| 121.85.55.23 | 2035627799 | 0 |
| 121.85.55.24 | 2035627800 | 0 |
| 121.85.55.25 | 2035627801 | 0 |
| 121.85.55.26 | 2035627802 | 0 |
| 121.85.55.27 | 2035627803 | 0 |
| 121.85.55.28 | 2035627804 | 0 |
| 121.85.55.29 | 2035627805 | 0 |
| 121.85.55.30 | 2035627806 | 0 |
| 121.85.55.31 | 2035627807 | 0 |
| 121.85.55.32 | 2035627808 | 0 |
| 121.85.55.33 | 2035627809 | 0 |
| 121.85.55.34 | 2035627810 | 0 |
| 121.85.55.35 | 2035627811 | 0 |
| 121.85.55.36 | 2035627812 | 0 |
| 121.85.55.37 | 2035627813 | 0 |
| 121.85.55.38 | 2035627814 | 0 |
| 121.85.55.39 | 2035627815 | 0 |
| 121.85.55.40 | 2035627816 | 0 |
| 121.85.55.41 | 2035627817 | 0 |
| 121.85.55.42 | 2035627818 | 0 |
| 121.85.55.43 | 2035627819 | 0 |
| 121.85.55.44 | 2035627820 | 0 |
| 121.85.55.45 | 2035627821 | 0 |
| 121.85.55.46 | 2035627822 | 0 |
| 121.85.55.47 | 2035627823 | 0 |
| 121.85.55.48 | 2035627824 | 0 |
| 121.85.55.49 | 2035627825 | 0 |
| 121.85.55.50 | 2035627826 | 0 |
| 121.85.55.51 | 2035627827 | 0 |
| 121.85.55.52 | 2035627828 | 0 |
| 121.85.55.53 | 2035627829 | 0 |
| 121.85.55.54 | 2035627830 | 0 |
| 121.85.55.55 | 2035627831 | 0 |
| 121.85.55.56 | 2035627832 | 0 |
| 121.85.55.57 | 2035627833 | 0 |
| 121.85.55.58 | 2035627834 | 0 |
| 121.85.55.59 | 2035627835 | 0 |
| 121.85.55.60 | 2035627836 | 0 |
| 121.85.55.61 | 2035627837 | 0 |
| 121.85.55.62 | 2035627838 | 0 |
| 121.85.55.63 | 2035627839 | 0 |
| 121.85.55.64 | 2035627840 | 0 |
| 121.85.55.65 | 2035627841 | 0 |
| 121.85.55.66 | 2035627842 | 0 |
| 121.85.55.67 | 2035627843 | 0 |
| 121.85.55.68 | 2035627844 | 0 |
| 121.85.55.69 | 2035627845 | 0 |
| 121.85.55.70 | 2035627846 | 0 |
| 121.85.55.71 | 2035627847 | 0 |
| 121.85.55.72 | 2035627848 | 0 |
| 121.85.55.73 | 2035627849 | 0 |
| 121.85.55.74 | 2035627850 | 0 |
| 121.85.55.75 | 2035627851 | 0 |
| 121.85.55.76 | 2035627852 | 0 |
| 121.85.55.77 | 2035627853 | 0 |
| 121.85.55.78 | 2035627854 | 0 |
| 121.85.55.79 | 2035627855 | 0 |
| 121.85.55.80 | 2035627856 | 0 |
| 121.85.55.81 | 2035627857 | 0 |
| 121.85.55.82 | 2035627858 | 0 |
| 121.85.55.83 | 2035627859 | 0 |
| 121.85.55.84 | 2035627860 | 0 |
| 121.85.55.85 | 2035627861 | 0 |