La dirección IP 21.78.25 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 | 08/07/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2017-07-08 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-07-08 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.78.25.0 | 357439744 | 0 |
| 21.78.25.1 | 357439745 | 0 |
| 21.78.25.2 | 357439746 | 0 |
| 21.78.25.3 | 357439747 | 0 |
| 21.78.25.4 | 357439748 | 0 |
| 21.78.25.5 | 357439749 | 0 |
| 21.78.25.6 | 357439750 | 0 |
| 21.78.25.7 | 357439751 | 0 |
| 21.78.25.8 | 357439752 | 0 |
| 21.78.25.9 | 357439753 | 0 |
| 21.78.25.10 | 357439754 | 0 |
| 21.78.25.11 | 357439755 | 0 |
| 21.78.25.12 | 357439756 | 0 |
| 21.78.25.13 | 357439757 | 0 |
| 21.78.25.14 | 357439758 | 0 |
| 21.78.25.15 | 357439759 | 0 |
| 21.78.25.16 | 357439760 | 0 |
| 21.78.25.17 | 357439761 | 0 |
| 21.78.25.18 | 357439762 | 0 |
| 21.78.25.19 | 357439763 | 0 |
| 21.78.25.20 | 357439764 | 0 |
| 21.78.25.21 | 357439765 | 0 |
| 21.78.25.22 | 357439766 | 0 |
| 21.78.25.23 | 357439767 | 0 |
| 21.78.25.24 | 357439768 | 0 |
| 21.78.25.25 | 357439769 | 0 |
| 21.78.25.26 | 357439770 | 0 |
| 21.78.25.27 | 357439771 | 0 |
| 21.78.25.28 | 357439772 | 0 |
| 21.78.25.29 | 357439773 | 0 |
| 21.78.25.30 | 357439774 | 0 |
| 21.78.25.31 | 357439775 | 0 |
| 21.78.25.32 | 357439776 | 0 |
| 21.78.25.33 | 357439777 | 0 |
| 21.78.25.34 | 357439778 | 0 |
| 21.78.25.35 | 357439779 | 0 |
| 21.78.25.36 | 357439780 | 0 |
| 21.78.25.37 | 357439781 | 0 |
| 21.78.25.38 | 357439782 | 0 |
| 21.78.25.39 | 357439783 | 0 |
| 21.78.25.40 | 357439784 | 0 |
| 21.78.25.41 | 357439785 | 0 |
| 21.78.25.42 | 357439786 | 0 |
| 21.78.25.43 | 357439787 | 0 |
| 21.78.25.44 | 357439788 | 0 |
| 21.78.25.45 | 357439789 | 0 |
| 21.78.25.46 | 357439790 | 0 |
| 21.78.25.47 | 357439791 | 0 |
| 21.78.25.48 | 357439792 | 0 |
| 21.78.25.49 | 357439793 | 0 |
| 21.78.25.50 | 357439794 | 0 |
| 21.78.25.51 | 357439795 | 0 |
| 21.78.25.52 | 357439796 | 0 |
| 21.78.25.53 | 357439797 | 0 |
| 21.78.25.54 | 357439798 | 0 |
| 21.78.25.55 | 357439799 | 0 |
| 21.78.25.56 | 357439800 | 0 |
| 21.78.25.57 | 357439801 | 0 |
| 21.78.25.58 | 357439802 | 0 |
| 21.78.25.59 | 357439803 | 0 |
| 21.78.25.60 | 357439804 | 0 |
| 21.78.25.61 | 357439805 | 0 |
| 21.78.25.62 | 357439806 | 0 |
| 21.78.25.63 | 357439807 | 0 |
| 21.78.25.64 | 357439808 | 0 |
| 21.78.25.65 | 357439809 | 0 |
| 21.78.25.66 | 357439810 | 0 |
| 21.78.25.67 | 357439811 | 0 |
| 21.78.25.68 | 357439812 | 0 |
| 21.78.25.69 | 357439813 | 0 |
| 21.78.25.70 | 357439814 | 0 |
| 21.78.25.71 | 357439815 | 0 |
| 21.78.25.72 | 357439816 | 0 |
| 21.78.25.73 | 357439817 | 0 |
| 21.78.25.74 | 357439818 | 0 |
| 21.78.25.75 | 357439819 | 0 |
| 21.78.25.76 | 357439820 | 0 |
| 21.78.25.77 | 357439821 | 0 |
| 21.78.25.78 | 357439822 | 0 |
| 21.78.25.79 | 357439823 | 0 |
| 21.78.25.80 | 357439824 | 0 |
| 21.78.25.81 | 357439825 | 0 |
| 21.78.25.82 | 357439826 | 0 |
| 21.78.25.83 | 357439827 | 0 |
| 21.78.25.84 | 357439828 | 0 |
| 21.78.25.85 | 357439829 | 0 |