La dirección IP 21.90.47 es proporcionada por China Education and Research Network Center, que es propiedad de la CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, IP entre 22.30.204.0 a 22.30.205.255 ). El número de sistema autónomo (ASN) es 4538.
| ASN | 4538 |
| IP que comienzan con | 22.30.204.0 |
| IP que termina con | 22.30.205.255 |
| ASN Nombre | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numérica | |
| Registe | |
| Última actualización | 26/12/2018 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Houston | 29,7633 | -95,3633 | 2018-12-26 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2018-12-26 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.90.47.0 | 358231808 | 0 |
| 21.90.47.1 | 358231809 | 0 |
| 21.90.47.2 | 358231810 | 0 |
| 21.90.47.3 | 358231811 | 0 |
| 21.90.47.4 | 358231812 | 0 |
| 21.90.47.5 | 358231813 | 0 |
| 21.90.47.6 | 358231814 | 0 |
| 21.90.47.7 | 358231815 | 0 |
| 21.90.47.8 | 358231816 | 0 |
| 21.90.47.9 | 358231817 | 0 |
| 21.90.47.10 | 358231818 | 0 |
| 21.90.47.11 | 358231819 | 0 |
| 21.90.47.12 | 358231820 | 0 |
| 21.90.47.13 | 358231821 | 0 |
| 21.90.47.14 | 358231822 | 0 |
| 21.90.47.15 | 358231823 | 0 |
| 21.90.47.16 | 358231824 | 0 |
| 21.90.47.17 | 358231825 | 0 |
| 21.90.47.18 | 358231826 | 0 |
| 21.90.47.19 | 358231827 | 0 |
| 21.90.47.20 | 358231828 | 0 |
| 21.90.47.21 | 358231829 | 0 |
| 21.90.47.22 | 358231830 | 0 |
| 21.90.47.23 | 358231831 | 0 |
| 21.90.47.24 | 358231832 | 0 |
| 21.90.47.25 | 358231833 | 0 |
| 21.90.47.26 | 358231834 | 0 |
| 21.90.47.27 | 358231835 | 0 |
| 21.90.47.28 | 358231836 | 0 |
| 21.90.47.29 | 358231837 | 0 |
| 21.90.47.30 | 358231838 | 0 |
| 21.90.47.31 | 358231839 | 0 |
| 21.90.47.32 | 358231840 | 0 |
| 21.90.47.33 | 358231841 | 0 |
| 21.90.47.34 | 358231842 | 0 |
| 21.90.47.35 | 358231843 | 0 |
| 21.90.47.36 | 358231844 | 0 |
| 21.90.47.37 | 358231845 | 0 |
| 21.90.47.38 | 358231846 | 0 |
| 21.90.47.39 | 358231847 | 0 |
| 21.90.47.40 | 358231848 | 0 |
| 21.90.47.41 | 358231849 | 0 |
| 21.90.47.42 | 358231850 | 0 |
| 21.90.47.43 | 358231851 | 0 |
| 21.90.47.44 | 358231852 | 0 |
| 21.90.47.45 | 358231853 | 0 |
| 21.90.47.46 | 358231854 | 0 |
| 21.90.47.47 | 358231855 | 0 |
| 21.90.47.48 | 358231856 | 0 |
| 21.90.47.49 | 358231857 | 0 |
| 21.90.47.50 | 358231858 | 0 |
| 21.90.47.51 | 358231859 | 0 |
| 21.90.47.52 | 358231860 | 0 |
| 21.90.47.53 | 358231861 | 0 |
| 21.90.47.54 | 358231862 | 0 |
| 21.90.47.55 | 358231863 | 0 |
| 21.90.47.56 | 358231864 | 0 |
| 21.90.47.57 | 358231865 | 0 |
| 21.90.47.58 | 358231866 | 0 |
| 21.90.47.59 | 358231867 | 0 |
| 21.90.47.60 | 358231868 | 0 |
| 21.90.47.61 | 358231869 | 0 |
| 21.90.47.62 | 358231870 | 0 |
| 21.90.47.63 | 358231871 | 0 |
| 21.90.47.64 | 358231872 | 0 |
| 21.90.47.65 | 358231873 | 0 |
| 21.90.47.66 | 358231874 | 0 |
| 21.90.47.67 | 358231875 | 0 |
| 21.90.47.68 | 358231876 | 0 |
| 21.90.47.69 | 358231877 | 0 |
| 21.90.47.70 | 358231878 | 0 |
| 21.90.47.71 | 358231879 | 0 |
| 21.90.47.72 | 358231880 | 0 |
| 21.90.47.73 | 358231881 | 0 |
| 21.90.47.74 | 358231882 | 0 |
| 21.90.47.75 | 358231883 | 0 |
| 21.90.47.76 | 358231884 | 0 |
| 21.90.47.77 | 358231885 | 0 |
| 21.90.47.78 | 358231886 | 0 |
| 21.90.47.79 | 358231887 | 0 |
| 21.90.47.80 | 358231888 | 0 |
| 21.90.47.81 | 358231889 | 0 |
| 21.90.47.82 | 358231890 | 0 |
| 21.90.47.83 | 358231891 | 0 |
| 21.90.47.84 | 358231892 | 0 |
| 21.90.47.85 | 358231893 | 0 |