La dirección IP 121.3.180 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 | 04/07/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | JP | Japón | - | Yokohama | 35,4442 | 139,6381 | 2017-07-04 |
| MaxMind | JP | Japón | - | Yokohama | 35,4478 | 139,6425 | 2017-07-04 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.3.180.0 | 2030285824 | 0 |
| 121.3.180.1 | 2030285825 | 0 |
| 121.3.180.2 | 2030285826 | 0 |
| 121.3.180.3 | 2030285827 | 0 |
| 121.3.180.4 | 2030285828 | 0 |
| 121.3.180.5 | 2030285829 | 0 |
| 121.3.180.6 | 2030285830 | 0 |
| 121.3.180.7 | 2030285831 | 0 |
| 121.3.180.8 | 2030285832 | 0 |
| 121.3.180.9 | 2030285833 | 0 |
| 121.3.180.10 | 2030285834 | 0 |
| 121.3.180.11 | 2030285835 | 0 |
| 121.3.180.12 | 2030285836 | 0 |
| 121.3.180.13 | 2030285837 | 0 |
| 121.3.180.14 | 2030285838 | 0 |
| 121.3.180.15 | 2030285839 | 0 |
| 121.3.180.16 | 2030285840 | 0 |
| 121.3.180.17 | 2030285841 | 0 |
| 121.3.180.18 | 2030285842 | 0 |
| 121.3.180.19 | 2030285843 | 0 |
| 121.3.180.20 | 2030285844 | 0 |
| 121.3.180.21 | 2030285845 | 0 |
| 121.3.180.22 | 2030285846 | 0 |
| 121.3.180.23 | 2030285847 | 0 |
| 121.3.180.24 | 2030285848 | 0 |
| 121.3.180.25 | 2030285849 | 0 |
| 121.3.180.26 | 2030285850 | 0 |
| 121.3.180.27 | 2030285851 | 0 |
| 121.3.180.28 | 2030285852 | 0 |
| 121.3.180.29 | 2030285853 | 0 |
| 121.3.180.30 | 2030285854 | 0 |
| 121.3.180.31 | 2030285855 | 0 |
| 121.3.180.32 | 2030285856 | 0 |
| 121.3.180.33 | 2030285857 | 0 |
| 121.3.180.34 | 2030285858 | 0 |
| 121.3.180.35 | 2030285859 | 0 |
| 121.3.180.36 | 2030285860 | 0 |
| 121.3.180.37 | 2030285861 | 0 |
| 121.3.180.38 | 2030285862 | 0 |
| 121.3.180.39 | 2030285863 | 0 |
| 121.3.180.40 | 2030285864 | 0 |
| 121.3.180.41 | 2030285865 | 0 |
| 121.3.180.42 | 2030285866 | 0 |
| 121.3.180.43 | 2030285867 | 0 |
| 121.3.180.44 | 2030285868 | 0 |
| 121.3.180.45 | 2030285869 | 0 |
| 121.3.180.46 | 2030285870 | 0 |
| 121.3.180.47 | 2030285871 | 0 |
| 121.3.180.48 | 2030285872 | 0 |
| 121.3.180.49 | 2030285873 | 0 |
| 121.3.180.50 | 2030285874 | 0 |
| 121.3.180.51 | 2030285875 | 0 |
| 121.3.180.52 | 2030285876 | 0 |
| 121.3.180.53 | 2030285877 | 0 |
| 121.3.180.54 | 2030285878 | 0 |
| 121.3.180.55 | 2030285879 | 0 |
| 121.3.180.56 | 2030285880 | 0 |
| 121.3.180.57 | 2030285881 | 0 |
| 121.3.180.58 | 2030285882 | 0 |
| 121.3.180.59 | 2030285883 | 0 |
| 121.3.180.60 | 2030285884 | 0 |
| 121.3.180.61 | 2030285885 | 0 |
| 121.3.180.62 | 2030285886 | 0 |
| 121.3.180.63 | 2030285887 | 0 |
| 121.3.180.64 | 2030285888 | 0 |
| 121.3.180.65 | 2030285889 | 0 |
| 121.3.180.66 | 2030285890 | 0 |
| 121.3.180.67 | 2030285891 | 0 |
| 121.3.180.68 | 2030285892 | 0 |
| 121.3.180.69 | 2030285893 | 0 |
| 121.3.180.70 | 2030285894 | 0 |
| 121.3.180.71 | 2030285895 | 0 |
| 121.3.180.72 | 2030285896 | 0 |
| 121.3.180.73 | 2030285897 | 0 |
| 121.3.180.74 | 2030285898 | 0 |
| 121.3.180.75 | 2030285899 | 0 |
| 121.3.180.76 | 2030285900 | 0 |
| 121.3.180.77 | 2030285901 | 0 |
| 121.3.180.78 | 2030285902 | 0 |
| 121.3.180.79 | 2030285903 | 0 |
| 121.3.180.80 | 2030285904 | 0 |
| 121.3.180.81 | 2030285905 | 0 |
| 121.3.180.82 | 2030285906 | 0 |
| 121.3.180.83 | 2030285907 | 0 |
| 121.3.180.84 | 2030285908 | 0 |
| 121.3.180.85 | 2030285909 | 0 |