Les adresses IP débutant par 203.140.4 sont fournies par Csk-IT Management Corporation, elles appartiennent au CIDR (Classless Inter-Domain Routing) 203.140.0.0/19, le bloc IP comprant les adresses de 203.140.0.0 à 203.140.31.255). Le numéro de système autonome (ASN) est 4693.
| ASN | 4693 |
| IP commençant par | 203.140.0.0 |
| IP se terminant par | 203.140.31.255 |
| Nom ASN | Csk-IT Management Corporation |
| CDIR | 203.140.0.0/19 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 21/03/2020 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | JP | Japon | - | Saitama | 35,867 | 139,65 | 2020-03-21 |
| MaxMind | JP | Japon | - | Sapporo | 43,0642 | 141,3469 | 2020-03-21 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 203.140.4.0 | 3414950912 | 0 |
| 203.140.4.1 | 3414950913 | 0 |
| 203.140.4.2 | 3414950914 | 0 |
| 203.140.4.3 | 3414950915 | 0 |
| 203.140.4.4 | 3414950916 | 0 |
| 203.140.4.5 | 3414950917 | 0 |
| 203.140.4.6 | 3414950918 | 0 |
| 203.140.4.7 | 3414950919 | 0 |
| 203.140.4.8 | 3414950920 | 0 |
| 203.140.4.9 | 3414950921 | 0 |
| 203.140.4.10 | 3414950922 | 0 |
| 203.140.4.11 | 3414950923 | 0 |
| 203.140.4.12 | 3414950924 | 0 |
| 203.140.4.13 | 3414950925 | 0 |
| 203.140.4.14 | 3414950926 | 0 |
| 203.140.4.15 | 3414950927 | 0 |
| 203.140.4.16 | 3414950928 | 0 |
| 203.140.4.17 | 3414950929 | 0 |
| 203.140.4.18 | 3414950930 | 0 |
| 203.140.4.19 | 3414950931 | 0 |
| 203.140.4.20 | 3414950932 | 0 |
| 203.140.4.21 | 3414950933 | 0 |
| 203.140.4.22 | 3414950934 | 0 |
| 203.140.4.23 | 3414950935 | 0 |
| 203.140.4.24 | 3414950936 | 0 |
| 203.140.4.25 | 3414950937 | 0 |
| 203.140.4.26 | 3414950938 | 0 |
| 203.140.4.27 | 3414950939 | 0 |
| 203.140.4.28 | 3414950940 | 0 |
| 203.140.4.29 | 3414950941 | 0 |
| 203.140.4.30 | 3414950942 | 0 |
| 203.140.4.31 | 3414950943 | 0 |
| 203.140.4.32 | 3414950944 | 0 |
| 203.140.4.33 | 3414950945 | 0 |
| 203.140.4.34 | 3414950946 | 0 |
| 203.140.4.35 | 3414950947 | 0 |
| 203.140.4.36 | 3414950948 | 0 |
| 203.140.4.37 | 3414950949 | 0 |
| 203.140.4.38 | 3414950950 | 0 |
| 203.140.4.39 | 3414950951 | 0 |
| 203.140.4.40 | 3414950952 | 0 |
| 203.140.4.41 | 3414950953 | 0 |
| 203.140.4.42 | 3414950954 | 0 |
| 203.140.4.43 | 3414950955 | 0 |
| 203.140.4.44 | 3414950956 | 0 |
| 203.140.4.45 | 3414950957 | 0 |
| 203.140.4.46 | 3414950958 | 0 |
| 203.140.4.47 | 3414950959 | 0 |
| 203.140.4.48 | 3414950960 | 0 |
| 203.140.4.49 | 3414950961 | 0 |
| 203.140.4.50 | 3414950962 | 0 |
| 203.140.4.51 | 3414950963 | 0 |
| 203.140.4.52 | 3414950964 | 0 |
| 203.140.4.53 | 3414950965 | 0 |
| 203.140.4.54 | 3414950966 | 0 |
| 203.140.4.55 | 3414950967 | 0 |
| 203.140.4.56 | 3414950968 | 0 |
| 203.140.4.57 | 3414950969 | 0 |
| 203.140.4.58 | 3414950970 | 0 |
| 203.140.4.59 | 3414950971 | 0 |
| 203.140.4.60 | 3414950972 | 0 |
| 203.140.4.61 | 3414950973 | 0 |
| 203.140.4.62 | 3414950974 | 0 |
| 203.140.4.63 | 3414950975 | 0 |
| 203.140.4.64 | 3414950976 | 0 |
| 203.140.4.65 | 3414950977 | 0 |
| 203.140.4.66 | 3414950978 | 0 |
| 203.140.4.67 | 3414950979 | 0 |
| 203.140.4.68 | 3414950980 | 0 |
| 203.140.4.69 | 3414950981 | 0 |
| 203.140.4.70 | 3414950982 | 0 |
| 203.140.4.71 | 3414950983 | 0 |
| 203.140.4.72 | 3414950984 | 0 |
| 203.140.4.73 | 3414950985 | 0 |
| 203.140.4.74 | 3414950986 | 0 |
| 203.140.4.75 | 3414950987 | 0 |
| 203.140.4.76 | 3414950988 | 0 |
| 203.140.4.77 | 3414950989 | 0 |
| 203.140.4.78 | 3414950990 | 0 |
| 203.140.4.79 | 3414950991 | 0 |
| 203.140.4.80 | 3414950992 | 0 |
| 203.140.4.81 | 3414950993 | 0 |
| 203.140.4.82 | 3414950994 | 0 |
| 203.140.4.83 | 3414950995 | 0 |
| 203.140.4.84 | 3414950996 | 0 |
| 203.140.4.85 | 3414950997 | 0 |