Les adresses IP débutant par 163.143.4 sont fournies par Research Organization of Information and Systems, National Institute of Informatics, elles appartiennent au CIDR (Classless Inter-Domain Routing) 163.143.0.0/16, le bloc IP comprant les adresses de 163.143.0.0 à 163.143.255.255). Le numéro de système autonome (ASN) est 2907.
| ASN | 2907 |
| IP commençant par | 163.143.0.0 |
| IP se terminant par | 163.143.255.255 |
| Nom ASN | Research Organization of Information and Systems, National Institute of Informatics |
| CDIR | 163.143.0.0/16 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 14/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | JP | Japan | - | Tokyo | 35,6895 | 139,6917 | 2017-09-14 |
| MaxMind | JP | Japon | - | - | 35,69 | 139,69 | 2017-09-14 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 163.143.4.0 | 2744058880 | 0 |
| 163.143.4.1 | 2744058881 | 0 |
| 163.143.4.2 | 2744058882 | 0 |
| 163.143.4.3 | 2744058883 | 0 |
| 163.143.4.4 | 2744058884 | 0 |
| 163.143.4.5 | 2744058885 | 0 |
| 163.143.4.6 | 2744058886 | 0 |
| 163.143.4.7 | 2744058887 | 0 |
| 163.143.4.8 | 2744058888 | 0 |
| 163.143.4.9 | 2744058889 | 0 |
| 163.143.4.10 | 2744058890 | 0 |
| 163.143.4.11 | 2744058891 | 0 |
| 163.143.4.12 | 2744058892 | 0 |
| 163.143.4.13 | 2744058893 | 0 |
| 163.143.4.14 | 2744058894 | 0 |
| 163.143.4.15 | 2744058895 | 0 |
| 163.143.4.16 | 2744058896 | 0 |
| 163.143.4.17 | 2744058897 | 0 |
| 163.143.4.18 | 2744058898 | 0 |
| 163.143.4.19 | 2744058899 | 0 |
| 163.143.4.20 | 2744058900 | 0 |
| 163.143.4.21 | 2744058901 | 0 |
| 163.143.4.22 | 2744058902 | 0 |
| 163.143.4.23 | 2744058903 | 0 |
| 163.143.4.24 | 2744058904 | 0 |
| 163.143.4.25 | 2744058905 | 0 |
| 163.143.4.26 | 2744058906 | 0 |
| 163.143.4.27 | 2744058907 | 0 |
| 163.143.4.28 | 2744058908 | 0 |
| 163.143.4.29 | 2744058909 | 0 |
| 163.143.4.30 | 2744058910 | 0 |
| 163.143.4.31 | 2744058911 | 0 |
| 163.143.4.32 | 2744058912 | 0 |
| 163.143.4.33 | 2744058913 | 0 |
| 163.143.4.34 | 2744058914 | 0 |
| 163.143.4.35 | 2744058915 | 0 |
| 163.143.4.36 | 2744058916 | 0 |
| 163.143.4.37 | 2744058917 | 0 |
| 163.143.4.38 | 2744058918 | 0 |
| 163.143.4.39 | 2744058919 | 0 |
| 163.143.4.40 | 2744058920 | 0 |
| 163.143.4.41 | 2744058921 | 0 |
| 163.143.4.42 | 2744058922 | 0 |
| 163.143.4.43 | 2744058923 | 0 |
| 163.143.4.44 | 2744058924 | 0 |
| 163.143.4.45 | 2744058925 | 0 |
| 163.143.4.46 | 2744058926 | 0 |
| 163.143.4.47 | 2744058927 | 0 |
| 163.143.4.48 | 2744058928 | 0 |
| 163.143.4.49 | 2744058929 | 0 |
| 163.143.4.50 | 2744058930 | 0 |
| 163.143.4.51 | 2744058931 | 0 |
| 163.143.4.52 | 2744058932 | 0 |
| 163.143.4.53 | 2744058933 | 0 |
| 163.143.4.54 | 2744058934 | 0 |
| 163.143.4.55 | 2744058935 | 0 |
| 163.143.4.56 | 2744058936 | 0 |
| 163.143.4.57 | 2744058937 | 0 |
| 163.143.4.58 | 2744058938 | 0 |
| 163.143.4.59 | 2744058939 | 0 |
| 163.143.4.60 | 2744058940 | 0 |
| 163.143.4.61 | 2744058941 | 0 |
| 163.143.4.62 | 2744058942 | 0 |
| 163.143.4.63 | 2744058943 | 0 |
| 163.143.4.64 | 2744058944 | 0 |
| 163.143.4.65 | 2744058945 | 0 |
| 163.143.4.66 | 2744058946 | 0 |
| 163.143.4.67 | 2744058947 | 0 |
| 163.143.4.68 | 2744058948 | 0 |
| 163.143.4.69 | 2744058949 | 0 |
| 163.143.4.70 | 2744058950 | 0 |
| 163.143.4.71 | 2744058951 | 0 |
| 163.143.4.72 | 2744058952 | 0 |
| 163.143.4.73 | 2744058953 | 0 |
| 163.143.4.74 | 2744058954 | 0 |
| 163.143.4.75 | 2744058955 | 0 |
| 163.143.4.76 | 2744058956 | 0 |
| 163.143.4.77 | 2744058957 | 0 |
| 163.143.4.78 | 2744058958 | 0 |
| 163.143.4.79 | 2744058959 | 0 |
| 163.143.4.80 | 2744058960 | 0 |
| 163.143.4.81 | 2744058961 | 0 |
| 163.143.4.82 | 2744058962 | 0 |
| 163.143.4.83 | 2744058963 | 0 |
| 163.143.4.84 | 2744058964 | 0 |
| 163.143.4.85 | 2744058965 | 0 |