L'indirizzo IP 133.51.42 è fornito da University of Tsukuba, che è di proprietà del CIDR (Classless Inter-Domain Routing) 133.51.0.0/16, IP tra 133.51.0.0 a 133.51.255.255 ). Il numero di sistema autonomo (ASN) è 37917.
| ASN | 37917 |
| IP inizia con | 133.51.0.0 |
| IP finale con | 133.51.255.255 |
| ASN Nome | University of Tsukuba |
| CDIR | 133.51.0.0/16 |
| IP numerico | |
| Registe | apnic |
| Ultimo aggiornamento | 19/05/2019 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | JP | Japan | - | Tokyo | 35,6895 | 139,6917 | 2019-05-19 |
| MaxMind | JP | Japan | - | - | 35,69 | 139,69 | 2019-05-19 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 133.51.42.0 | 2234722816 | 0 |
| 133.51.42.1 | 2234722817 | 0 |
| 133.51.42.2 | 2234722818 | 0 |
| 133.51.42.3 | 2234722819 | 0 |
| 133.51.42.4 | 2234722820 | 0 |
| 133.51.42.5 | 2234722821 | 0 |
| 133.51.42.6 | 2234722822 | 0 |
| 133.51.42.7 | 2234722823 | 0 |
| 133.51.42.8 | 2234722824 | 0 |
| 133.51.42.9 | 2234722825 | 0 |
| 133.51.42.10 | 2234722826 | 0 |
| 133.51.42.11 | 2234722827 | 0 |
| 133.51.42.12 | 2234722828 | 0 |
| 133.51.42.13 | 2234722829 | 0 |
| 133.51.42.14 | 2234722830 | 0 |
| 133.51.42.15 | 2234722831 | 0 |
| 133.51.42.16 | 2234722832 | 0 |
| 133.51.42.17 | 2234722833 | 0 |
| 133.51.42.18 | 2234722834 | 0 |
| 133.51.42.19 | 2234722835 | 0 |
| 133.51.42.20 | 2234722836 | 0 |
| 133.51.42.21 | 2234722837 | 0 |
| 133.51.42.22 | 2234722838 | 0 |
| 133.51.42.23 | 2234722839 | 0 |
| 133.51.42.24 | 2234722840 | 0 |
| 133.51.42.25 | 2234722841 | 0 |
| 133.51.42.26 | 2234722842 | 0 |
| 133.51.42.27 | 2234722843 | 0 |
| 133.51.42.28 | 2234722844 | 0 |
| 133.51.42.29 | 2234722845 | 0 |
| 133.51.42.30 | 2234722846 | 0 |
| 133.51.42.31 | 2234722847 | 0 |
| 133.51.42.32 | 2234722848 | 0 |
| 133.51.42.33 | 2234722849 | 0 |
| 133.51.42.34 | 2234722850 | 0 |
| 133.51.42.35 | 2234722851 | 0 |
| 133.51.42.36 | 2234722852 | 0 |
| 133.51.42.37 | 2234722853 | 0 |
| 133.51.42.38 | 2234722854 | 0 |
| 133.51.42.39 | 2234722855 | 0 |
| 133.51.42.40 | 2234722856 | 0 |
| 133.51.42.41 | 2234722857 | 0 |
| 133.51.42.42 | 2234722858 | 0 |
| 133.51.42.43 | 2234722859 | 0 |
| 133.51.42.44 | 2234722860 | 0 |
| 133.51.42.45 | 2234722861 | 0 |
| 133.51.42.46 | 2234722862 | 0 |
| 133.51.42.47 | 2234722863 | 0 |
| 133.51.42.48 | 2234722864 | 0 |
| 133.51.42.49 | 2234722865 | 0 |
| 133.51.42.50 | 2234722866 | 0 |
| 133.51.42.51 | 2234722867 | 0 |
| 133.51.42.52 | 2234722868 | 0 |
| 133.51.42.53 | 2234722869 | 0 |
| 133.51.42.54 | 2234722870 | 0 |
| 133.51.42.55 | 2234722871 | 0 |
| 133.51.42.56 | 2234722872 | 0 |
| 133.51.42.57 | 2234722873 | 0 |
| 133.51.42.58 | 2234722874 | 0 |
| 133.51.42.59 | 2234722875 | 0 |
| 133.51.42.60 | 2234722876 | 0 |
| 133.51.42.61 | 2234722877 | 0 |
| 133.51.42.62 | 2234722878 | 0 |
| 133.51.42.63 | 2234722879 | 0 |
| 133.51.42.64 | 2234722880 | 0 |
| 133.51.42.65 | 2234722881 | 0 |
| 133.51.42.66 | 2234722882 | 0 |
| 133.51.42.67 | 2234722883 | 0 |
| 133.51.42.68 | 2234722884 | 0 |
| 133.51.42.69 | 2234722885 | 0 |
| 133.51.42.70 | 2234722886 | 0 |
| 133.51.42.71 | 2234722887 | 0 |
| 133.51.42.72 | 2234722888 | 0 |
| 133.51.42.73 | 2234722889 | 0 |
| 133.51.42.74 | 2234722890 | 0 |
| 133.51.42.75 | 2234722891 | 0 |
| 133.51.42.76 | 2234722892 | 0 |
| 133.51.42.77 | 2234722893 | 0 |
| 133.51.42.78 | 2234722894 | 0 |
| 133.51.42.79 | 2234722895 | 0 |
| 133.51.42.80 | 2234722896 | 0 |
| 133.51.42.81 | 2234722897 | 0 |
| 133.51.42.82 | 2234722898 | 0 |
| 133.51.42.83 | 2234722899 | 0 |
| 133.51.42.84 | 2234722900 | 0 |
| 133.51.42.85 | 2234722901 | 0 |