La dirección IP 21.81.62 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 | 24/07/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2017-07-24 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-07-24 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.81.62.0 | 357645824 | 0 |
| 21.81.62.1 | 357645825 | 0 |
| 21.81.62.2 | 357645826 | 0 |
| 21.81.62.3 | 357645827 | 0 |
| 21.81.62.4 | 357645828 | 0 |
| 21.81.62.5 | 357645829 | 0 |
| 21.81.62.6 | 357645830 | 0 |
| 21.81.62.7 | 357645831 | 0 |
| 21.81.62.8 | 357645832 | 0 |
| 21.81.62.9 | 357645833 | 0 |
| 21.81.62.10 | 357645834 | 0 |
| 21.81.62.11 | 357645835 | 0 |
| 21.81.62.12 | 357645836 | 0 |
| 21.81.62.13 | 357645837 | 0 |
| 21.81.62.14 | 357645838 | 0 |
| 21.81.62.15 | 357645839 | 0 |
| 21.81.62.16 | 357645840 | 0 |
| 21.81.62.17 | 357645841 | 0 |
| 21.81.62.18 | 357645842 | 0 |
| 21.81.62.19 | 357645843 | 0 |
| 21.81.62.20 | 357645844 | 0 |
| 21.81.62.21 | 357645845 | 0 |
| 21.81.62.22 | 357645846 | 0 |
| 21.81.62.23 | 357645847 | 0 |
| 21.81.62.24 | 357645848 | 0 |
| 21.81.62.25 | 357645849 | 0 |
| 21.81.62.26 | 357645850 | 0 |
| 21.81.62.27 | 357645851 | 0 |
| 21.81.62.28 | 357645852 | 0 |
| 21.81.62.29 | 357645853 | 0 |
| 21.81.62.30 | 357645854 | 0 |
| 21.81.62.31 | 357645855 | 0 |
| 21.81.62.32 | 357645856 | 0 |
| 21.81.62.33 | 357645857 | 0 |
| 21.81.62.34 | 357645858 | 0 |
| 21.81.62.35 | 357645859 | 0 |
| 21.81.62.36 | 357645860 | 0 |
| 21.81.62.37 | 357645861 | 0 |
| 21.81.62.38 | 357645862 | 0 |
| 21.81.62.39 | 357645863 | 0 |
| 21.81.62.40 | 357645864 | 0 |
| 21.81.62.41 | 357645865 | 0 |
| 21.81.62.42 | 357645866 | 0 |
| 21.81.62.43 | 357645867 | 0 |
| 21.81.62.44 | 357645868 | 0 |
| 21.81.62.45 | 357645869 | 0 |
| 21.81.62.46 | 357645870 | 0 |
| 21.81.62.47 | 357645871 | 0 |
| 21.81.62.48 | 357645872 | 0 |
| 21.81.62.49 | 357645873 | 0 |
| 21.81.62.50 | 357645874 | 0 |
| 21.81.62.51 | 357645875 | 0 |
| 21.81.62.52 | 357645876 | 0 |
| 21.81.62.53 | 357645877 | 0 |
| 21.81.62.54 | 357645878 | 0 |
| 21.81.62.55 | 357645879 | 0 |
| 21.81.62.56 | 357645880 | 0 |
| 21.81.62.57 | 357645881 | 0 |
| 21.81.62.58 | 357645882 | 0 |
| 21.81.62.59 | 357645883 | 0 |
| 21.81.62.60 | 357645884 | 0 |
| 21.81.62.61 | 357645885 | 0 |
| 21.81.62.62 | 357645886 | 0 |
| 21.81.62.63 | 357645887 | 0 |
| 21.81.62.64 | 357645888 | 0 |
| 21.81.62.65 | 357645889 | 0 |
| 21.81.62.66 | 357645890 | 0 |
| 21.81.62.67 | 357645891 | 0 |
| 21.81.62.68 | 357645892 | 0 |
| 21.81.62.69 | 357645893 | 0 |
| 21.81.62.70 | 357645894 | 0 |
| 21.81.62.71 | 357645895 | 0 |
| 21.81.62.72 | 357645896 | 0 |
| 21.81.62.73 | 357645897 | 0 |
| 21.81.62.74 | 357645898 | 0 |
| 21.81.62.75 | 357645899 | 0 |
| 21.81.62.76 | 357645900 | 0 |
| 21.81.62.77 | 357645901 | 0 |
| 21.81.62.78 | 357645902 | 0 |
| 21.81.62.79 | 357645903 | 0 |
| 21.81.62.80 | 357645904 | 0 |
| 21.81.62.81 | 357645905 | 0 |
| 21.81.62.82 | 357645906 | 0 |
| 21.81.62.83 | 357645907 | 0 |
| 21.81.62.84 | 357645908 | 0 |
| 21.81.62.85 | 357645909 | 0 |