The IP address 21.4.192 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 | 10/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2017-07-10 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2017-07-10 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.4.192.0 | 352632832 | 0 |
| 21.4.192.1 | 352632833 | 0 |
| 21.4.192.2 | 352632834 | 0 |
| 21.4.192.3 | 352632835 | 0 |
| 21.4.192.4 | 352632836 | 0 |
| 21.4.192.5 | 352632837 | 0 |
| 21.4.192.6 | 352632838 | 0 |
| 21.4.192.7 | 352632839 | 0 |
| 21.4.192.8 | 352632840 | 0 |
| 21.4.192.9 | 352632841 | 0 |
| 21.4.192.10 | 352632842 | 0 |
| 21.4.192.11 | 352632843 | 0 |
| 21.4.192.12 | 352632844 | 0 |
| 21.4.192.13 | 352632845 | 0 |
| 21.4.192.14 | 352632846 | 0 |
| 21.4.192.15 | 352632847 | 0 |
| 21.4.192.16 | 352632848 | 0 |
| 21.4.192.17 | 352632849 | 0 |
| 21.4.192.18 | 352632850 | 0 |
| 21.4.192.19 | 352632851 | 0 |
| 21.4.192.20 | 352632852 | 0 |
| 21.4.192.21 | 352632853 | 0 |
| 21.4.192.22 | 352632854 | 0 |
| 21.4.192.23 | 352632855 | 0 |
| 21.4.192.24 | 352632856 | 0 |
| 21.4.192.25 | 352632857 | 0 |
| 21.4.192.26 | 352632858 | 0 |
| 21.4.192.27 | 352632859 | 0 |
| 21.4.192.28 | 352632860 | 0 |
| 21.4.192.29 | 352632861 | 0 |
| 21.4.192.30 | 352632862 | 0 |
| 21.4.192.31 | 352632863 | 0 |
| 21.4.192.32 | 352632864 | 0 |
| 21.4.192.33 | 352632865 | 0 |
| 21.4.192.34 | 352632866 | 0 |
| 21.4.192.35 | 352632867 | 0 |
| 21.4.192.36 | 352632868 | 0 |
| 21.4.192.37 | 352632869 | 0 |
| 21.4.192.38 | 352632870 | 0 |
| 21.4.192.39 | 352632871 | 0 |
| 21.4.192.40 | 352632872 | 0 |
| 21.4.192.41 | 352632873 | 0 |
| 21.4.192.42 | 352632874 | 0 |
| 21.4.192.43 | 352632875 | 0 |
| 21.4.192.44 | 352632876 | 0 |
| 21.4.192.45 | 352632877 | 0 |
| 21.4.192.46 | 352632878 | 0 |
| 21.4.192.47 | 352632879 | 0 |
| 21.4.192.48 | 352632880 | 0 |
| 21.4.192.49 | 352632881 | 0 |
| 21.4.192.50 | 352632882 | 0 |
| 21.4.192.51 | 352632883 | 0 |
| 21.4.192.52 | 352632884 | 0 |
| 21.4.192.53 | 352632885 | 0 |
| 21.4.192.54 | 352632886 | 0 |
| 21.4.192.55 | 352632887 | 0 |
| 21.4.192.56 | 352632888 | 0 |
| 21.4.192.57 | 352632889 | 0 |
| 21.4.192.58 | 352632890 | 0 |
| 21.4.192.59 | 352632891 | 0 |
| 21.4.192.60 | 352632892 | 0 |
| 21.4.192.61 | 352632893 | 0 |
| 21.4.192.62 | 352632894 | 0 |
| 21.4.192.63 | 352632895 | 0 |
| 21.4.192.64 | 352632896 | 0 |
| 21.4.192.65 | 352632897 | 0 |
| 21.4.192.66 | 352632898 | 0 |
| 21.4.192.67 | 352632899 | 0 |
| 21.4.192.68 | 352632900 | 0 |
| 21.4.192.69 | 352632901 | 0 |
| 21.4.192.70 | 352632902 | 0 |
| 21.4.192.71 | 352632903 | 0 |
| 21.4.192.72 | 352632904 | 0 |
| 21.4.192.73 | 352632905 | 0 |
| 21.4.192.74 | 352632906 | 0 |
| 21.4.192.75 | 352632907 | 0 |
| 21.4.192.76 | 352632908 | 0 |
| 21.4.192.77 | 352632909 | 0 |
| 21.4.192.78 | 352632910 | 0 |
| 21.4.192.79 | 352632911 | 0 |
| 21.4.192.80 | 352632912 | 0 |
| 21.4.192.81 | 352632913 | 0 |
| 21.4.192.82 | 352632914 | 0 |
| 21.4.192.83 | 352632915 | 0 |
| 21.4.192.84 | 352632916 | 0 |
| 21.4.192.85 | 352632917 | 0 |