L'indirizzo IP 121.80.66 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 | 21/09/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | JP | Japan | - | Sumoto | 34,35 | 134,9 | 2017-09-20 |
| MaxMind | JP | Japan | - | Kobe | 34,6913 | 135,183 | 2017-09-20 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.80.66.0 | 2035302912 | 0 |
| 121.80.66.1 | 2035302913 | 0 |
| 121.80.66.2 | 2035302914 | 0 |
| 121.80.66.3 | 2035302915 | 0 |
| 121.80.66.4 | 2035302916 | 0 |
| 121.80.66.5 | 2035302917 | 0 |
| 121.80.66.6 | 2035302918 | 0 |
| 121.80.66.7 | 2035302919 | 0 |
| 121.80.66.8 | 2035302920 | 0 |
| 121.80.66.9 | 2035302921 | 0 |
| 121.80.66.10 | 2035302922 | 0 |
| 121.80.66.11 | 2035302923 | 0 |
| 121.80.66.12 | 2035302924 | 0 |
| 121.80.66.13 | 2035302925 | 0 |
| 121.80.66.14 | 2035302926 | 0 |
| 121.80.66.15 | 2035302927 | 0 |
| 121.80.66.16 | 2035302928 | 0 |
| 121.80.66.17 | 2035302929 | 0 |
| 121.80.66.18 | 2035302930 | 0 |
| 121.80.66.19 | 2035302931 | 0 |
| 121.80.66.20 | 2035302932 | 0 |
| 121.80.66.21 | 2035302933 | 0 |
| 121.80.66.22 | 2035302934 | 0 |
| 121.80.66.23 | 2035302935 | 0 |
| 121.80.66.24 | 2035302936 | 0 |
| 121.80.66.25 | 2035302937 | 0 |
| 121.80.66.26 | 2035302938 | 0 |
| 121.80.66.27 | 2035302939 | 0 |
| 121.80.66.28 | 2035302940 | 0 |
| 121.80.66.29 | 2035302941 | 0 |
| 121.80.66.30 | 2035302942 | 0 |
| 121.80.66.31 | 2035302943 | 0 |
| 121.80.66.32 | 2035302944 | 0 |
| 121.80.66.33 | 2035302945 | 0 |
| 121.80.66.34 | 2035302946 | 0 |
| 121.80.66.35 | 2035302947 | 0 |
| 121.80.66.36 | 2035302948 | 0 |
| 121.80.66.37 | 2035302949 | 0 |
| 121.80.66.38 | 2035302950 | 0 |
| 121.80.66.39 | 2035302951 | 0 |
| 121.80.66.40 | 2035302952 | 0 |
| 121.80.66.41 | 2035302953 | 0 |
| 121.80.66.42 | 2035302954 | 0 |
| 121.80.66.43 | 2035302955 | 0 |
| 121.80.66.44 | 2035302956 | 0 |
| 121.80.66.45 | 2035302957 | 0 |
| 121.80.66.46 | 2035302958 | 0 |
| 121.80.66.47 | 2035302959 | 0 |
| 121.80.66.48 | 2035302960 | 0 |
| 121.80.66.49 | 2035302961 | 0 |
| 121.80.66.50 | 2035302962 | 0 |
| 121.80.66.51 | 2035302963 | 0 |
| 121.80.66.52 | 2035302964 | 0 |
| 121.80.66.53 | 2035302965 | 0 |
| 121.80.66.54 | 2035302966 | 0 |
| 121.80.66.55 | 2035302967 | 0 |
| 121.80.66.56 | 2035302968 | 0 |
| 121.80.66.57 | 2035302969 | 0 |
| 121.80.66.58 | 2035302970 | 0 |
| 121.80.66.59 | 2035302971 | 0 |
| 121.80.66.60 | 2035302972 | 0 |
| 121.80.66.61 | 2035302973 | 0 |
| 121.80.66.62 | 2035302974 | 0 |
| 121.80.66.63 | 2035302975 | 0 |
| 121.80.66.64 | 2035302976 | 0 |
| 121.80.66.65 | 2035302977 | 0 |
| 121.80.66.66 | 2035302978 | 0 |
| 121.80.66.67 | 2035302979 | 0 |
| 121.80.66.68 | 2035302980 | 0 |
| 121.80.66.69 | 2035302981 | 0 |
| 121.80.66.70 | 2035302982 | 0 |
| 121.80.66.71 | 2035302983 | 0 |
| 121.80.66.72 | 2035302984 | 0 |
| 121.80.66.73 | 2035302985 | 0 |
| 121.80.66.74 | 2035302986 | 0 |
| 121.80.66.75 | 2035302987 | 0 |
| 121.80.66.76 | 2035302988 | 0 |
| 121.80.66.77 | 2035302989 | 0 |
| 121.80.66.78 | 2035302990 | 0 |
| 121.80.66.79 | 2035302991 | 0 |
| 121.80.66.80 | 2035302992 | 0 |
| 121.80.66.81 | 2035302993 | 0 |
| 121.80.66.82 | 2035302994 | 0 |
| 121.80.66.83 | 2035302995 | 0 |
| 121.80.66.84 | 2035302996 | 0 |
| 121.80.66.85 | 2035302997 | 0 |