La dirección IP 21.78.45 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 | 22/10/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2017-10-22 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-10-22 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.78.45.0 | 357444864 | 0 |
| 21.78.45.1 | 357444865 | 0 |
| 21.78.45.2 | 357444866 | 0 |
| 21.78.45.3 | 357444867 | 0 |
| 21.78.45.4 | 357444868 | 0 |
| 21.78.45.5 | 357444869 | 0 |
| 21.78.45.6 | 357444870 | 0 |
| 21.78.45.7 | 357444871 | 0 |
| 21.78.45.8 | 357444872 | 0 |
| 21.78.45.9 | 357444873 | 0 |
| 21.78.45.10 | 357444874 | 0 |
| 21.78.45.11 | 357444875 | 0 |
| 21.78.45.12 | 357444876 | 0 |
| 21.78.45.13 | 357444877 | 0 |
| 21.78.45.14 | 357444878 | 0 |
| 21.78.45.15 | 357444879 | 0 |
| 21.78.45.16 | 357444880 | 0 |
| 21.78.45.17 | 357444881 | 0 |
| 21.78.45.18 | 357444882 | 0 |
| 21.78.45.19 | 357444883 | 0 |
| 21.78.45.20 | 357444884 | 0 |
| 21.78.45.21 | 357444885 | 0 |
| 21.78.45.22 | 357444886 | 0 |
| 21.78.45.23 | 357444887 | 0 |
| 21.78.45.24 | 357444888 | 0 |
| 21.78.45.25 | 357444889 | 0 |
| 21.78.45.26 | 357444890 | 0 |
| 21.78.45.27 | 357444891 | 0 |
| 21.78.45.28 | 357444892 | 0 |
| 21.78.45.29 | 357444893 | 0 |
| 21.78.45.30 | 357444894 | 0 |
| 21.78.45.31 | 357444895 | 0 |
| 21.78.45.32 | 357444896 | 0 |
| 21.78.45.33 | 357444897 | 0 |
| 21.78.45.34 | 357444898 | 0 |
| 21.78.45.35 | 357444899 | 0 |
| 21.78.45.36 | 357444900 | 0 |
| 21.78.45.37 | 357444901 | 0 |
| 21.78.45.38 | 357444902 | 0 |
| 21.78.45.39 | 357444903 | 0 |
| 21.78.45.40 | 357444904 | 0 |
| 21.78.45.41 | 357444905 | 0 |
| 21.78.45.42 | 357444906 | 0 |
| 21.78.45.43 | 357444907 | 0 |
| 21.78.45.44 | 357444908 | 0 |
| 21.78.45.45 | 357444909 | 0 |
| 21.78.45.46 | 357444910 | 0 |
| 21.78.45.47 | 357444911 | 0 |
| 21.78.45.48 | 357444912 | 0 |
| 21.78.45.49 | 357444913 | 0 |
| 21.78.45.50 | 357444914 | 0 |
| 21.78.45.51 | 357444915 | 0 |
| 21.78.45.52 | 357444916 | 0 |
| 21.78.45.53 | 357444917 | 0 |
| 21.78.45.54 | 357444918 | 0 |
| 21.78.45.55 | 357444919 | 0 |
| 21.78.45.56 | 357444920 | 0 |
| 21.78.45.57 | 357444921 | 0 |
| 21.78.45.58 | 357444922 | 0 |
| 21.78.45.59 | 357444923 | 0 |
| 21.78.45.60 | 357444924 | 0 |
| 21.78.45.61 | 357444925 | 0 |
| 21.78.45.62 | 357444926 | 0 |
| 21.78.45.63 | 357444927 | 0 |
| 21.78.45.64 | 357444928 | 0 |
| 21.78.45.65 | 357444929 | 0 |
| 21.78.45.66 | 357444930 | 0 |
| 21.78.45.67 | 357444931 | 0 |
| 21.78.45.68 | 357444932 | 0 |
| 21.78.45.69 | 357444933 | 0 |
| 21.78.45.70 | 357444934 | 0 |
| 21.78.45.71 | 357444935 | 0 |
| 21.78.45.72 | 357444936 | 0 |
| 21.78.45.73 | 357444937 | 0 |
| 21.78.45.74 | 357444938 | 0 |
| 21.78.45.75 | 357444939 | 0 |
| 21.78.45.76 | 357444940 | 0 |
| 21.78.45.77 | 357444941 | 0 |
| 21.78.45.78 | 357444942 | 0 |
| 21.78.45.79 | 357444943 | 0 |
| 21.78.45.80 | 357444944 | 0 |
| 21.78.45.81 | 357444945 | 0 |
| 21.78.45.82 | 357444946 | 0 |
| 21.78.45.83 | 357444947 | 0 |
| 21.78.45.84 | 357444948 | 0 |
| 21.78.45.85 | 357444949 | 0 |