La dirección IP 21.213.4 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 | 31/12/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2017-12-30 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-12-30 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.213.4.0 | 366281728 | 0 |
| 21.213.4.1 | 366281729 | 0 |
| 21.213.4.2 | 366281730 | 0 |
| 21.213.4.3 | 366281731 | 0 |
| 21.213.4.4 | 366281732 | 0 |
| 21.213.4.5 | 366281733 | 0 |
| 21.213.4.6 | 366281734 | 0 |
| 21.213.4.7 | 366281735 | 0 |
| 21.213.4.8 | 366281736 | 0 |
| 21.213.4.9 | 366281737 | 0 |
| 21.213.4.10 | 366281738 | 0 |
| 21.213.4.11 | 366281739 | 0 |
| 21.213.4.12 | 366281740 | 0 |
| 21.213.4.13 | 366281741 | 0 |
| 21.213.4.14 | 366281742 | 0 |
| 21.213.4.15 | 366281743 | 0 |
| 21.213.4.16 | 366281744 | 0 |
| 21.213.4.17 | 366281745 | 0 |
| 21.213.4.18 | 366281746 | 0 |
| 21.213.4.19 | 366281747 | 0 |
| 21.213.4.20 | 366281748 | 0 |
| 21.213.4.21 | 366281749 | 0 |
| 21.213.4.22 | 366281750 | 0 |
| 21.213.4.23 | 366281751 | 0 |
| 21.213.4.24 | 366281752 | 0 |
| 21.213.4.25 | 366281753 | 0 |
| 21.213.4.26 | 366281754 | 0 |
| 21.213.4.27 | 366281755 | 0 |
| 21.213.4.28 | 366281756 | 0 |
| 21.213.4.29 | 366281757 | 0 |
| 21.213.4.30 | 366281758 | 0 |
| 21.213.4.31 | 366281759 | 0 |
| 21.213.4.32 | 366281760 | 0 |
| 21.213.4.33 | 366281761 | 0 |
| 21.213.4.34 | 366281762 | 0 |
| 21.213.4.35 | 366281763 | 0 |
| 21.213.4.36 | 366281764 | 0 |
| 21.213.4.37 | 366281765 | 0 |
| 21.213.4.38 | 366281766 | 0 |
| 21.213.4.39 | 366281767 | 0 |
| 21.213.4.40 | 366281768 | 0 |
| 21.213.4.41 | 366281769 | 0 |
| 21.213.4.42 | 366281770 | 0 |
| 21.213.4.43 | 366281771 | 0 |
| 21.213.4.44 | 366281772 | 0 |
| 21.213.4.45 | 366281773 | 0 |
| 21.213.4.46 | 366281774 | 0 |
| 21.213.4.47 | 366281775 | 0 |
| 21.213.4.48 | 366281776 | 0 |
| 21.213.4.49 | 366281777 | 0 |
| 21.213.4.50 | 366281778 | 0 |
| 21.213.4.51 | 366281779 | 0 |
| 21.213.4.52 | 366281780 | 0 |
| 21.213.4.53 | 366281781 | 0 |
| 21.213.4.54 | 366281782 | 0 |
| 21.213.4.55 | 366281783 | 0 |
| 21.213.4.56 | 366281784 | 0 |
| 21.213.4.57 | 366281785 | 0 |
| 21.213.4.58 | 366281786 | 0 |
| 21.213.4.59 | 366281787 | 0 |
| 21.213.4.60 | 366281788 | 0 |
| 21.213.4.61 | 366281789 | 0 |
| 21.213.4.62 | 366281790 | 0 |
| 21.213.4.63 | 366281791 | 0 |
| 21.213.4.64 | 366281792 | 0 |
| 21.213.4.65 | 366281793 | 0 |
| 21.213.4.66 | 366281794 | 0 |
| 21.213.4.67 | 366281795 | 0 |
| 21.213.4.68 | 366281796 | 0 |
| 21.213.4.69 | 366281797 | 0 |
| 21.213.4.70 | 366281798 | 0 |
| 21.213.4.71 | 366281799 | 0 |
| 21.213.4.72 | 366281800 | 0 |
| 21.213.4.73 | 366281801 | 0 |
| 21.213.4.74 | 366281802 | 0 |
| 21.213.4.75 | 366281803 | 0 |
| 21.213.4.76 | 366281804 | 0 |
| 21.213.4.77 | 366281805 | 0 |
| 21.213.4.78 | 366281806 | 0 |
| 21.213.4.79 | 366281807 | 0 |
| 21.213.4.80 | 366281808 | 0 |
| 21.213.4.81 | 366281809 | 0 |
| 21.213.4.82 | 366281810 | 0 |
| 21.213.4.83 | 366281811 | 0 |
| 21.213.4.84 | 366281812 | 0 |
| 21.213.4.85 | 366281813 | 0 |