La dirección IP 20.221.4 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 | 21/10/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Falls Church | 38,8653 | -77,1933 | 2017-10-20 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-10-20 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 20.221.4.0 | 350028800 | 0 |
| 20.221.4.1 | 350028801 | 0 |
| 20.221.4.2 | 350028802 | 0 |
| 20.221.4.3 | 350028803 | 0 |
| 20.221.4.4 | 350028804 | 0 |
| 20.221.4.5 | 350028805 | 0 |
| 20.221.4.6 | 350028806 | 0 |
| 20.221.4.7 | 350028807 | 0 |
| 20.221.4.8 | 350028808 | 0 |
| 20.221.4.9 | 350028809 | 0 |
| 20.221.4.10 | 350028810 | 0 |
| 20.221.4.11 | 350028811 | 0 |
| 20.221.4.12 | 350028812 | 0 |
| 20.221.4.13 | 350028813 | 0 |
| 20.221.4.14 | 350028814 | 0 |
| 20.221.4.15 | 350028815 | 0 |
| 20.221.4.16 | 350028816 | 0 |
| 20.221.4.17 | 350028817 | 0 |
| 20.221.4.18 | 350028818 | 0 |
| 20.221.4.19 | 350028819 | 0 |
| 20.221.4.20 | 350028820 | 0 |
| 20.221.4.21 | 350028821 | 0 |
| 20.221.4.22 | 350028822 | 0 |
| 20.221.4.23 | 350028823 | 0 |
| 20.221.4.24 | 350028824 | 0 |
| 20.221.4.25 | 350028825 | 0 |
| 20.221.4.26 | 350028826 | 0 |
| 20.221.4.27 | 350028827 | 0 |
| 20.221.4.28 | 350028828 | 0 |
| 20.221.4.29 | 350028829 | 0 |
| 20.221.4.30 | 350028830 | 0 |
| 20.221.4.31 | 350028831 | 0 |
| 20.221.4.32 | 350028832 | 0 |
| 20.221.4.33 | 350028833 | 0 |
| 20.221.4.34 | 350028834 | 0 |
| 20.221.4.35 | 350028835 | 0 |
| 20.221.4.36 | 350028836 | 0 |
| 20.221.4.37 | 350028837 | 0 |
| 20.221.4.38 | 350028838 | 0 |
| 20.221.4.39 | 350028839 | 0 |
| 20.221.4.40 | 350028840 | 0 |
| 20.221.4.41 | 350028841 | 0 |
| 20.221.4.42 | 350028842 | 0 |
| 20.221.4.43 | 350028843 | 0 |
| 20.221.4.44 | 350028844 | 0 |
| 20.221.4.45 | 350028845 | 0 |
| 20.221.4.46 | 350028846 | 0 |
| 20.221.4.47 | 350028847 | 0 |
| 20.221.4.48 | 350028848 | 0 |
| 20.221.4.49 | 350028849 | 0 |
| 20.221.4.50 | 350028850 | 0 |
| 20.221.4.51 | 350028851 | 0 |
| 20.221.4.52 | 350028852 | 0 |
| 20.221.4.53 | 350028853 | 0 |
| 20.221.4.54 | 350028854 | 0 |
| 20.221.4.55 | 350028855 | 0 |
| 20.221.4.56 | 350028856 | 0 |
| 20.221.4.57 | 350028857 | 0 |
| 20.221.4.58 | 350028858 | 0 |
| 20.221.4.59 | 350028859 | 0 |
| 20.221.4.60 | 350028860 | 0 |
| 20.221.4.61 | 350028861 | 0 |
| 20.221.4.62 | 350028862 | 0 |
| 20.221.4.63 | 350028863 | 0 |
| 20.221.4.64 | 350028864 | 0 |
| 20.221.4.65 | 350028865 | 0 |
| 20.221.4.66 | 350028866 | 0 |
| 20.221.4.67 | 350028867 | 0 |
| 20.221.4.68 | 350028868 | 0 |
| 20.221.4.69 | 350028869 | 0 |
| 20.221.4.70 | 350028870 | 0 |
| 20.221.4.71 | 350028871 | 0 |
| 20.221.4.72 | 350028872 | 0 |
| 20.221.4.73 | 350028873 | 0 |
| 20.221.4.74 | 350028874 | 0 |
| 20.221.4.75 | 350028875 | 0 |
| 20.221.4.76 | 350028876 | 0 |
| 20.221.4.77 | 350028877 | 0 |
| 20.221.4.78 | 350028878 | 0 |
| 20.221.4.79 | 350028879 | 0 |
| 20.221.4.80 | 350028880 | 0 |
| 20.221.4.81 | 350028881 | 0 |
| 20.221.4.82 | 350028882 | 0 |
| 20.221.4.83 | 350028883 | 0 |
| 20.221.4.84 | 350028884 | 0 |
| 20.221.4.85 | 350028885 | 0 |