La dirección IP 21.89.37 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 | 10/01/2018 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2018-01-10 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2018-01-10 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.89.37.0 | 358163712 | 0 |
| 21.89.37.1 | 358163713 | 0 |
| 21.89.37.2 | 358163714 | 0 |
| 21.89.37.3 | 358163715 | 0 |
| 21.89.37.4 | 358163716 | 0 |
| 21.89.37.5 | 358163717 | 0 |
| 21.89.37.6 | 358163718 | 0 |
| 21.89.37.7 | 358163719 | 0 |
| 21.89.37.8 | 358163720 | 0 |
| 21.89.37.9 | 358163721 | 0 |
| 21.89.37.10 | 358163722 | 0 |
| 21.89.37.11 | 358163723 | 0 |
| 21.89.37.12 | 358163724 | 0 |
| 21.89.37.13 | 358163725 | 0 |
| 21.89.37.14 | 358163726 | 0 |
| 21.89.37.15 | 358163727 | 0 |
| 21.89.37.16 | 358163728 | 0 |
| 21.89.37.17 | 358163729 | 0 |
| 21.89.37.18 | 358163730 | 0 |
| 21.89.37.19 | 358163731 | 0 |
| 21.89.37.20 | 358163732 | 0 |
| 21.89.37.21 | 358163733 | 0 |
| 21.89.37.22 | 358163734 | 0 |
| 21.89.37.23 | 358163735 | 0 |
| 21.89.37.24 | 358163736 | 0 |
| 21.89.37.25 | 358163737 | 0 |
| 21.89.37.26 | 358163738 | 0 |
| 21.89.37.27 | 358163739 | 0 |
| 21.89.37.28 | 358163740 | 0 |
| 21.89.37.29 | 358163741 | 0 |
| 21.89.37.30 | 358163742 | 0 |
| 21.89.37.31 | 358163743 | 0 |
| 21.89.37.32 | 358163744 | 0 |
| 21.89.37.33 | 358163745 | 0 |
| 21.89.37.34 | 358163746 | 0 |
| 21.89.37.35 | 358163747 | 0 |
| 21.89.37.36 | 358163748 | 0 |
| 21.89.37.37 | 358163749 | 0 |
| 21.89.37.38 | 358163750 | 0 |
| 21.89.37.39 | 358163751 | 0 |
| 21.89.37.40 | 358163752 | 0 |
| 21.89.37.41 | 358163753 | 0 |
| 21.89.37.42 | 358163754 | 0 |
| 21.89.37.43 | 358163755 | 0 |
| 21.89.37.44 | 358163756 | 0 |
| 21.89.37.45 | 358163757 | 0 |
| 21.89.37.46 | 358163758 | 0 |
| 21.89.37.47 | 358163759 | 0 |
| 21.89.37.48 | 358163760 | 0 |
| 21.89.37.49 | 358163761 | 0 |
| 21.89.37.50 | 358163762 | 0 |
| 21.89.37.51 | 358163763 | 0 |
| 21.89.37.52 | 358163764 | 0 |
| 21.89.37.53 | 358163765 | 0 |
| 21.89.37.54 | 358163766 | 0 |
| 21.89.37.55 | 358163767 | 0 |
| 21.89.37.56 | 358163768 | 0 |
| 21.89.37.57 | 358163769 | 0 |
| 21.89.37.58 | 358163770 | 0 |
| 21.89.37.59 | 358163771 | 0 |
| 21.89.37.60 | 358163772 | 0 |
| 21.89.37.61 | 358163773 | 0 |
| 21.89.37.62 | 358163774 | 0 |
| 21.89.37.63 | 358163775 | 0 |
| 21.89.37.64 | 358163776 | 0 |
| 21.89.37.65 | 358163777 | 0 |
| 21.89.37.66 | 358163778 | 0 |
| 21.89.37.67 | 358163779 | 0 |
| 21.89.37.68 | 358163780 | 0 |
| 21.89.37.69 | 358163781 | 0 |
| 21.89.37.70 | 358163782 | 0 |
| 21.89.37.71 | 358163783 | 0 |
| 21.89.37.72 | 358163784 | 0 |
| 21.89.37.73 | 358163785 | 0 |
| 21.89.37.74 | 358163786 | 0 |
| 21.89.37.75 | 358163787 | 0 |
| 21.89.37.76 | 358163788 | 0 |
| 21.89.37.77 | 358163789 | 0 |
| 21.89.37.78 | 358163790 | 0 |
| 21.89.37.79 | 358163791 | 0 |
| 21.89.37.80 | 358163792 | 0 |
| 21.89.37.81 | 358163793 | 0 |
| 21.89.37.82 | 358163794 | 0 |
| 21.89.37.83 | 358163795 | 0 |
| 21.89.37.84 | 358163796 | 0 |
| 21.89.37.85 | 358163797 | 0 |