La dirección IP 21.212.2 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 | 22/01/2018 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2018-01-21 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2018-01-21 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.212.2.0 | 366215680 | 0 |
| 21.212.2.1 | 366215681 | 0 |
| 21.212.2.2 | 366215682 | 0 |
| 21.212.2.3 | 366215683 | 0 |
| 21.212.2.4 | 366215684 | 0 |
| 21.212.2.5 | 366215685 | 0 |
| 21.212.2.6 | 366215686 | 0 |
| 21.212.2.7 | 366215687 | 0 |
| 21.212.2.8 | 366215688 | 0 |
| 21.212.2.9 | 366215689 | 0 |
| 21.212.2.10 | 366215690 | 0 |
| 21.212.2.11 | 366215691 | 0 |
| 21.212.2.12 | 366215692 | 0 |
| 21.212.2.13 | 366215693 | 0 |
| 21.212.2.14 | 366215694 | 0 |
| 21.212.2.15 | 366215695 | 0 |
| 21.212.2.16 | 366215696 | 0 |
| 21.212.2.17 | 366215697 | 0 |
| 21.212.2.18 | 366215698 | 0 |
| 21.212.2.19 | 366215699 | 0 |
| 21.212.2.20 | 366215700 | 0 |
| 21.212.2.21 | 366215701 | 0 |
| 21.212.2.22 | 366215702 | 0 |
| 21.212.2.23 | 366215703 | 0 |
| 21.212.2.24 | 366215704 | 0 |
| 21.212.2.25 | 366215705 | 0 |
| 21.212.2.26 | 366215706 | 0 |
| 21.212.2.27 | 366215707 | 0 |
| 21.212.2.28 | 366215708 | 0 |
| 21.212.2.29 | 366215709 | 0 |
| 21.212.2.30 | 366215710 | 0 |
| 21.212.2.31 | 366215711 | 0 |
| 21.212.2.32 | 366215712 | 0 |
| 21.212.2.33 | 366215713 | 0 |
| 21.212.2.34 | 366215714 | 0 |
| 21.212.2.35 | 366215715 | 0 |
| 21.212.2.36 | 366215716 | 0 |
| 21.212.2.37 | 366215717 | 0 |
| 21.212.2.38 | 366215718 | 0 |
| 21.212.2.39 | 366215719 | 0 |
| 21.212.2.40 | 366215720 | 0 |
| 21.212.2.41 | 366215721 | 0 |
| 21.212.2.42 | 366215722 | 0 |
| 21.212.2.43 | 366215723 | 0 |
| 21.212.2.44 | 366215724 | 0 |
| 21.212.2.45 | 366215725 | 0 |
| 21.212.2.46 | 366215726 | 0 |
| 21.212.2.47 | 366215727 | 0 |
| 21.212.2.48 | 366215728 | 0 |
| 21.212.2.49 | 366215729 | 0 |
| 21.212.2.50 | 366215730 | 0 |
| 21.212.2.51 | 366215731 | 0 |
| 21.212.2.52 | 366215732 | 0 |
| 21.212.2.53 | 366215733 | 0 |
| 21.212.2.54 | 366215734 | 0 |
| 21.212.2.55 | 366215735 | 0 |
| 21.212.2.56 | 366215736 | 0 |
| 21.212.2.57 | 366215737 | 0 |
| 21.212.2.58 | 366215738 | 0 |
| 21.212.2.59 | 366215739 | 0 |
| 21.212.2.60 | 366215740 | 0 |
| 21.212.2.61 | 366215741 | 0 |
| 21.212.2.62 | 366215742 | 0 |
| 21.212.2.63 | 366215743 | 0 |
| 21.212.2.64 | 366215744 | 0 |
| 21.212.2.65 | 366215745 | 0 |
| 21.212.2.66 | 366215746 | 0 |
| 21.212.2.67 | 366215747 | 0 |
| 21.212.2.68 | 366215748 | 0 |
| 21.212.2.69 | 366215749 | 0 |
| 21.212.2.70 | 366215750 | 0 |
| 21.212.2.71 | 366215751 | 0 |
| 21.212.2.72 | 366215752 | 0 |
| 21.212.2.73 | 366215753 | 0 |
| 21.212.2.74 | 366215754 | 0 |
| 21.212.2.75 | 366215755 | 0 |
| 21.212.2.76 | 366215756 | 0 |
| 21.212.2.77 | 366215757 | 0 |
| 21.212.2.78 | 366215758 | 0 |
| 21.212.2.79 | 366215759 | 0 |
| 21.212.2.80 | 366215760 | 0 |
| 21.212.2.81 | 366215761 | 0 |
| 21.212.2.82 | 366215762 | 0 |
| 21.212.2.83 | 366215763 | 0 |
| 21.212.2.84 | 366215764 | 0 |
| 21.212.2.85 | 366215765 | 0 |