La dirección IP 21.87.92 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 | 09/12/2018 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Houston | 29,7633 | -95,3633 | 2018-12-09 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2018-12-09 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.87.92.0 | 358046720 | 0 |
| 21.87.92.1 | 358046721 | 0 |
| 21.87.92.2 | 358046722 | 0 |
| 21.87.92.3 | 358046723 | 0 |
| 21.87.92.4 | 358046724 | 0 |
| 21.87.92.5 | 358046725 | 0 |
| 21.87.92.6 | 358046726 | 0 |
| 21.87.92.7 | 358046727 | 0 |
| 21.87.92.8 | 358046728 | 0 |
| 21.87.92.9 | 358046729 | 0 |
| 21.87.92.10 | 358046730 | 0 |
| 21.87.92.11 | 358046731 | 0 |
| 21.87.92.12 | 358046732 | 0 |
| 21.87.92.13 | 358046733 | 0 |
| 21.87.92.14 | 358046734 | 0 |
| 21.87.92.15 | 358046735 | 0 |
| 21.87.92.16 | 358046736 | 0 |
| 21.87.92.17 | 358046737 | 0 |
| 21.87.92.18 | 358046738 | 0 |
| 21.87.92.19 | 358046739 | 0 |
| 21.87.92.20 | 358046740 | 0 |
| 21.87.92.21 | 358046741 | 0 |
| 21.87.92.22 | 358046742 | 0 |
| 21.87.92.23 | 358046743 | 0 |
| 21.87.92.24 | 358046744 | 0 |
| 21.87.92.25 | 358046745 | 0 |
| 21.87.92.26 | 358046746 | 0 |
| 21.87.92.27 | 358046747 | 0 |
| 21.87.92.28 | 358046748 | 0 |
| 21.87.92.29 | 358046749 | 0 |
| 21.87.92.30 | 358046750 | 0 |
| 21.87.92.31 | 358046751 | 0 |
| 21.87.92.32 | 358046752 | 0 |
| 21.87.92.33 | 358046753 | 0 |
| 21.87.92.34 | 358046754 | 0 |
| 21.87.92.35 | 358046755 | 0 |
| 21.87.92.36 | 358046756 | 0 |
| 21.87.92.37 | 358046757 | 0 |
| 21.87.92.38 | 358046758 | 0 |
| 21.87.92.39 | 358046759 | 0 |
| 21.87.92.40 | 358046760 | 0 |
| 21.87.92.41 | 358046761 | 0 |
| 21.87.92.42 | 358046762 | 0 |
| 21.87.92.43 | 358046763 | 0 |
| 21.87.92.44 | 358046764 | 0 |
| 21.87.92.45 | 358046765 | 0 |
| 21.87.92.46 | 358046766 | 0 |
| 21.87.92.47 | 358046767 | 0 |
| 21.87.92.48 | 358046768 | 0 |
| 21.87.92.49 | 358046769 | 0 |
| 21.87.92.50 | 358046770 | 0 |
| 21.87.92.51 | 358046771 | 0 |
| 21.87.92.52 | 358046772 | 0 |
| 21.87.92.53 | 358046773 | 0 |
| 21.87.92.54 | 358046774 | 0 |
| 21.87.92.55 | 358046775 | 0 |
| 21.87.92.56 | 358046776 | 0 |
| 21.87.92.57 | 358046777 | 0 |
| 21.87.92.58 | 358046778 | 0 |
| 21.87.92.59 | 358046779 | 0 |
| 21.87.92.60 | 358046780 | 0 |
| 21.87.92.61 | 358046781 | 0 |
| 21.87.92.62 | 358046782 | 0 |
| 21.87.92.63 | 358046783 | 0 |
| 21.87.92.64 | 358046784 | 0 |
| 21.87.92.65 | 358046785 | 0 |
| 21.87.92.66 | 358046786 | 0 |
| 21.87.92.67 | 358046787 | 0 |
| 21.87.92.68 | 358046788 | 0 |
| 21.87.92.69 | 358046789 | 0 |
| 21.87.92.70 | 358046790 | 0 |
| 21.87.92.71 | 358046791 | 0 |
| 21.87.92.72 | 358046792 | 0 |
| 21.87.92.73 | 358046793 | 0 |
| 21.87.92.74 | 358046794 | 0 |
| 21.87.92.75 | 358046795 | 0 |
| 21.87.92.76 | 358046796 | 0 |
| 21.87.92.77 | 358046797 | 0 |
| 21.87.92.78 | 358046798 | 0 |
| 21.87.92.79 | 358046799 | 0 |
| 21.87.92.80 | 358046800 | 0 |
| 21.87.92.81 | 358046801 | 0 |
| 21.87.92.82 | 358046802 | 0 |
| 21.87.92.83 | 358046803 | 0 |
| 21.87.92.84 | 358046804 | 0 |
| 21.87.92.85 | 358046805 | 0 |