The IP address 21.76.84 is provided by China Education and Research Network Center, it's belong to the CDIR (Classless Inter-Domain Routing) 22.30.204.0/23 (range 22.30.204.0 to 22.30.205.255). The autonomous system number (ASN) is 4538.
| ASN | 4538 |
| IP starting by | 22.30.204.0 |
| IP ending by | 22.30.205.255 |
| ASN Name | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| Numerical IP | |
| Registry | |
| Last update | 10/10/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2017-10-10 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2017-10-10 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.76.84.0 | 357323776 | 0 |
| 21.76.84.1 | 357323777 | 0 |
| 21.76.84.2 | 357323778 | 0 |
| 21.76.84.3 | 357323779 | 0 |
| 21.76.84.4 | 357323780 | 0 |
| 21.76.84.5 | 357323781 | 0 |
| 21.76.84.6 | 357323782 | 0 |
| 21.76.84.7 | 357323783 | 0 |
| 21.76.84.8 | 357323784 | 0 |
| 21.76.84.9 | 357323785 | 0 |
| 21.76.84.10 | 357323786 | 0 |
| 21.76.84.11 | 357323787 | 0 |
| 21.76.84.12 | 357323788 | 0 |
| 21.76.84.13 | 357323789 | 0 |
| 21.76.84.14 | 357323790 | 0 |
| 21.76.84.15 | 357323791 | 0 |
| 21.76.84.16 | 357323792 | 0 |
| 21.76.84.17 | 357323793 | 0 |
| 21.76.84.18 | 357323794 | 0 |
| 21.76.84.19 | 357323795 | 0 |
| 21.76.84.20 | 357323796 | 0 |
| 21.76.84.21 | 357323797 | 0 |
| 21.76.84.22 | 357323798 | 0 |
| 21.76.84.23 | 357323799 | 0 |
| 21.76.84.24 | 357323800 | 0 |
| 21.76.84.25 | 357323801 | 0 |
| 21.76.84.26 | 357323802 | 0 |
| 21.76.84.27 | 357323803 | 0 |
| 21.76.84.28 | 357323804 | 0 |
| 21.76.84.29 | 357323805 | 0 |
| 21.76.84.30 | 357323806 | 0 |
| 21.76.84.31 | 357323807 | 0 |
| 21.76.84.32 | 357323808 | 0 |
| 21.76.84.33 | 357323809 | 0 |
| 21.76.84.34 | 357323810 | 0 |
| 21.76.84.35 | 357323811 | 0 |
| 21.76.84.36 | 357323812 | 0 |
| 21.76.84.37 | 357323813 | 0 |
| 21.76.84.38 | 357323814 | 0 |
| 21.76.84.39 | 357323815 | 0 |
| 21.76.84.40 | 357323816 | 0 |
| 21.76.84.41 | 357323817 | 0 |
| 21.76.84.42 | 357323818 | 0 |
| 21.76.84.43 | 357323819 | 0 |
| 21.76.84.44 | 357323820 | 0 |
| 21.76.84.45 | 357323821 | 0 |
| 21.76.84.46 | 357323822 | 0 |
| 21.76.84.47 | 357323823 | 0 |
| 21.76.84.48 | 357323824 | 0 |
| 21.76.84.49 | 357323825 | 0 |
| 21.76.84.50 | 357323826 | 0 |
| 21.76.84.51 | 357323827 | 0 |
| 21.76.84.52 | 357323828 | 0 |
| 21.76.84.53 | 357323829 | 0 |
| 21.76.84.54 | 357323830 | 0 |
| 21.76.84.55 | 357323831 | 0 |
| 21.76.84.56 | 357323832 | 0 |
| 21.76.84.57 | 357323833 | 0 |
| 21.76.84.58 | 357323834 | 0 |
| 21.76.84.59 | 357323835 | 0 |
| 21.76.84.60 | 357323836 | 0 |
| 21.76.84.61 | 357323837 | 0 |
| 21.76.84.62 | 357323838 | 0 |
| 21.76.84.63 | 357323839 | 0 |
| 21.76.84.64 | 357323840 | 0 |
| 21.76.84.65 | 357323841 | 0 |
| 21.76.84.66 | 357323842 | 0 |
| 21.76.84.67 | 357323843 | 0 |
| 21.76.84.68 | 357323844 | 0 |
| 21.76.84.69 | 357323845 | 0 |
| 21.76.84.70 | 357323846 | 0 |
| 21.76.84.71 | 357323847 | 0 |
| 21.76.84.72 | 357323848 | 0 |
| 21.76.84.73 | 357323849 | 0 |
| 21.76.84.74 | 357323850 | 0 |
| 21.76.84.75 | 357323851 | 0 |
| 21.76.84.76 | 357323852 | 0 |
| 21.76.84.77 | 357323853 | 0 |
| 21.76.84.78 | 357323854 | 0 |
| 21.76.84.79 | 357323855 | 0 |
| 21.76.84.80 | 357323856 | 0 |
| 21.76.84.81 | 357323857 | 0 |
| 21.76.84.82 | 357323858 | 0 |
| 21.76.84.83 | 357323859 | 0 |
| 21.76.84.84 | 357323860 | 0 |
| 21.76.84.85 | 357323861 | 0 |