Les adresses IP débutant par 133.50.99 sont fournies par Research Organization of Information and Systems, National Institute of Informatics, elles appartiennent au CIDR (Classless Inter-Domain Routing) 133.50.0.0/16, le bloc IP comprant les adresses de 133.50.0.0 à 133.50.255.255). Le numéro de système autonome (ASN) est 2907.
| ASN | 2907 |
| IP commençant par | 133.50.0.0 |
| IP se terminant par | 133.50.255.255 |
| Nom ASN | Research Organization of Information and Systems, National Institute of Informatics |
| CDIR | 133.50.0.0/16 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 29/01/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | JP | Japan | - | Tokyo | 35,6895 | 139,6917 | 2018-01-29 |
| MaxMind | JP | Japon | - | Sapporo | 43,0642 | 141,3469 | 2018-01-29 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 133.50.99.0 | 2234671872 | 0 |
| 133.50.99.1 | 2234671873 | 0 |
| 133.50.99.2 | 2234671874 | 0 |
| 133.50.99.3 | 2234671875 | 0 |
| 133.50.99.4 | 2234671876 | 0 |
| 133.50.99.5 | 2234671877 | 0 |
| 133.50.99.6 | 2234671878 | 0 |
| 133.50.99.7 | 2234671879 | 0 |
| 133.50.99.8 | 2234671880 | 0 |
| 133.50.99.9 | 2234671881 | 0 |
| 133.50.99.10 | 2234671882 | 0 |
| 133.50.99.11 | 2234671883 | 0 |
| 133.50.99.12 | 2234671884 | 0 |
| 133.50.99.13 | 2234671885 | 0 |
| 133.50.99.14 | 2234671886 | 0 |
| 133.50.99.15 | 2234671887 | 0 |
| 133.50.99.16 | 2234671888 | 0 |
| 133.50.99.17 | 2234671889 | 0 |
| 133.50.99.18 | 2234671890 | 0 |
| 133.50.99.19 | 2234671891 | 0 |
| 133.50.99.20 | 2234671892 | 0 |
| 133.50.99.21 | 2234671893 | 0 |
| 133.50.99.22 | 2234671894 | 0 |
| 133.50.99.23 | 2234671895 | 0 |
| 133.50.99.24 | 2234671896 | 0 |
| 133.50.99.25 | 2234671897 | 0 |
| 133.50.99.26 | 2234671898 | 0 |
| 133.50.99.27 | 2234671899 | 0 |
| 133.50.99.28 | 2234671900 | 0 |
| 133.50.99.29 | 2234671901 | 0 |
| 133.50.99.30 | 2234671902 | 0 |
| 133.50.99.31 | 2234671903 | 0 |
| 133.50.99.32 | 2234671904 | 0 |
| 133.50.99.33 | 2234671905 | 0 |
| 133.50.99.34 | 2234671906 | 0 |
| 133.50.99.35 | 2234671907 | 0 |
| 133.50.99.36 | 2234671908 | 0 |
| 133.50.99.37 | 2234671909 | 0 |
| 133.50.99.38 | 2234671910 | 0 |
| 133.50.99.39 | 2234671911 | 0 |
| 133.50.99.40 | 2234671912 | 0 |
| 133.50.99.41 | 2234671913 | 0 |
| 133.50.99.42 | 2234671914 | 0 |
| 133.50.99.43 | 2234671915 | 0 |
| 133.50.99.44 | 2234671916 | 0 |
| 133.50.99.45 | 2234671917 | 0 |
| 133.50.99.46 | 2234671918 | 0 |
| 133.50.99.47 | 2234671919 | 0 |
| 133.50.99.48 | 2234671920 | 0 |
| 133.50.99.49 | 2234671921 | 0 |
| 133.50.99.50 | 2234671922 | 0 |
| 133.50.99.51 | 2234671923 | 0 |
| 133.50.99.52 | 2234671924 | 0 |
| 133.50.99.53 | 2234671925 | 0 |
| 133.50.99.54 | 2234671926 | 0 |
| 133.50.99.55 | 2234671927 | 0 |
| 133.50.99.56 | 2234671928 | 0 |
| 133.50.99.57 | 2234671929 | 0 |
| 133.50.99.58 | 2234671930 | 0 |
| 133.50.99.59 | 2234671931 | 0 |
| 133.50.99.60 | 2234671932 | 0 |
| 133.50.99.61 | 2234671933 | 0 |
| 133.50.99.62 | 2234671934 | 0 |
| 133.50.99.63 | 2234671935 | 0 |
| 133.50.99.64 | 2234671936 | 0 |
| 133.50.99.65 | 2234671937 | 0 |
| 133.50.99.66 | 2234671938 | 0 |
| 133.50.99.67 | 2234671939 | 0 |
| 133.50.99.68 | 2234671940 | 0 |
| 133.50.99.69 | 2234671941 | 0 |
| 133.50.99.70 | 2234671942 | 0 |
| 133.50.99.71 | 2234671943 | 0 |
| 133.50.99.72 | 2234671944 | 0 |
| 133.50.99.73 | 2234671945 | 0 |
| 133.50.99.74 | 2234671946 | 0 |
| 133.50.99.75 | 2234671947 | 0 |
| 133.50.99.76 | 2234671948 | 0 |
| 133.50.99.77 | 2234671949 | 0 |
| 133.50.99.78 | 2234671950 | 0 |
| 133.50.99.79 | 2234671951 | 0 |
| 133.50.99.80 | 2234671952 | 0 |
| 133.50.99.81 | 2234671953 | 0 |
| 133.50.99.82 | 2234671954 | 0 |
| 133.50.99.83 | 2234671955 | 0 |
| 133.50.99.84 | 2234671956 | 0 |
| 133.50.99.85 | 2234671957 | 0 |