Les adresses IP débutant par 121.1.196 sont fournies par Asahi Net, elles appartiennent au CIDR (Classless Inter-Domain Routing) 121.1.128.0/17, le bloc IP comprant les adresses de 121.1.128.0 à 121.1.255.255). Le numéro de système autonome (ASN) est 4685.
| ASN | 4685 |
| IP commençant par | 121.1.128.0 |
| IP se terminant par | 121.1.255.255 |
| Nom ASN | Asahi Net |
| CDIR | 121.1.128.0/17 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 15/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | JP | Japon | - | Yokohama | 35,4442 | 139,6381 | 2017-07-14 |
| MaxMind | JP | Japon | - | Tokyo | 35,6427 | 139,7677 | 2017-07-14 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.1.196.0 | 2030158848 | 0 |
| 121.1.196.1 | 2030158849 | 0 |
| 121.1.196.2 | 2030158850 | 0 |
| 121.1.196.3 | 2030158851 | 0 |
| 121.1.196.4 | 2030158852 | 0 |
| 121.1.196.5 | 2030158853 | 0 |
| 121.1.196.6 | 2030158854 | 0 |
| 121.1.196.7 | 2030158855 | 0 |
| 121.1.196.8 | 2030158856 | 0 |
| 121.1.196.9 | 2030158857 | 0 |
| 121.1.196.10 | 2030158858 | 0 |
| 121.1.196.11 | 2030158859 | 0 |
| 121.1.196.12 | 2030158860 | 0 |
| 121.1.196.13 | 2030158861 | 0 |
| 121.1.196.14 | 2030158862 | 0 |
| 121.1.196.15 | 2030158863 | 0 |
| 121.1.196.16 | 2030158864 | 0 |
| 121.1.196.17 | 2030158865 | 0 |
| 121.1.196.18 | 2030158866 | 0 |
| 121.1.196.19 | 2030158867 | 0 |
| 121.1.196.20 | 2030158868 | 0 |
| 121.1.196.21 | 2030158869 | 0 |
| 121.1.196.22 | 2030158870 | 0 |
| 121.1.196.23 | 2030158871 | 0 |
| 121.1.196.24 | 2030158872 | 0 |
| 121.1.196.25 | 2030158873 | 0 |
| 121.1.196.26 | 2030158874 | 0 |
| 121.1.196.27 | 2030158875 | 0 |
| 121.1.196.28 | 2030158876 | 0 |
| 121.1.196.29 | 2030158877 | 0 |
| 121.1.196.30 | 2030158878 | 0 |
| 121.1.196.31 | 2030158879 | 0 |
| 121.1.196.32 | 2030158880 | 0 |
| 121.1.196.33 | 2030158881 | 0 |
| 121.1.196.34 | 2030158882 | 0 |
| 121.1.196.35 | 2030158883 | 0 |
| 121.1.196.36 | 2030158884 | 0 |
| 121.1.196.37 | 2030158885 | 0 |
| 121.1.196.38 | 2030158886 | 0 |
| 121.1.196.39 | 2030158887 | 0 |
| 121.1.196.40 | 2030158888 | 0 |
| 121.1.196.41 | 2030158889 | 0 |
| 121.1.196.42 | 2030158890 | 0 |
| 121.1.196.43 | 2030158891 | 0 |
| 121.1.196.44 | 2030158892 | 0 |
| 121.1.196.45 | 2030158893 | 0 |
| 121.1.196.46 | 2030158894 | 0 |
| 121.1.196.47 | 2030158895 | 0 |
| 121.1.196.48 | 2030158896 | 0 |
| 121.1.196.49 | 2030158897 | 0 |
| 121.1.196.50 | 2030158898 | 0 |
| 121.1.196.51 | 2030158899 | 0 |
| 121.1.196.52 | 2030158900 | 0 |
| 121.1.196.53 | 2030158901 | 0 |
| 121.1.196.54 | 2030158902 | 0 |
| 121.1.196.55 | 2030158903 | 0 |
| 121.1.196.56 | 2030158904 | 0 |
| 121.1.196.57 | 2030158905 | 0 |
| 121.1.196.58 | 2030158906 | 0 |
| 121.1.196.59 | 2030158907 | 0 |
| 121.1.196.60 | 2030158908 | 0 |
| 121.1.196.61 | 2030158909 | 0 |
| 121.1.196.62 | 2030158910 | 0 |
| 121.1.196.63 | 2030158911 | 0 |
| 121.1.196.64 | 2030158912 | 0 |
| 121.1.196.65 | 2030158913 | 0 |
| 121.1.196.66 | 2030158914 | 0 |
| 121.1.196.67 | 2030158915 | 0 |
| 121.1.196.68 | 2030158916 | 0 |
| 121.1.196.69 | 2030158917 | 0 |
| 121.1.196.70 | 2030158918 | 0 |
| 121.1.196.71 | 2030158919 | 0 |
| 121.1.196.72 | 2030158920 | 0 |
| 121.1.196.73 | 2030158921 | 0 |
| 121.1.196.74 | 2030158922 | 0 |
| 121.1.196.75 | 2030158923 | 0 |
| 121.1.196.76 | 2030158924 | 0 |
| 121.1.196.77 | 2030158925 | 0 |
| 121.1.196.78 | 2030158926 | 0 |
| 121.1.196.79 | 2030158927 | 0 |
| 121.1.196.80 | 2030158928 | 0 |
| 121.1.196.81 | 2030158929 | 0 |
| 121.1.196.82 | 2030158930 | 0 |
| 121.1.196.83 | 2030158931 | 0 |
| 121.1.196.84 | 2030158932 | 0 |
| 121.1.196.85 | 2030158933 | 0 |