The IP address 21.78.41 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 | 23/10/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2017-10-23 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2017-10-23 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.78.41.0 | 357443840 | 0 |
| 21.78.41.1 | 357443841 | 0 |
| 21.78.41.2 | 357443842 | 0 |
| 21.78.41.3 | 357443843 | 0 |
| 21.78.41.4 | 357443844 | 0 |
| 21.78.41.5 | 357443845 | 0 |
| 21.78.41.6 | 357443846 | 0 |
| 21.78.41.7 | 357443847 | 0 |
| 21.78.41.8 | 357443848 | 0 |
| 21.78.41.9 | 357443849 | 0 |
| 21.78.41.10 | 357443850 | 0 |
| 21.78.41.11 | 357443851 | 0 |
| 21.78.41.12 | 357443852 | 0 |
| 21.78.41.13 | 357443853 | 0 |
| 21.78.41.14 | 357443854 | 0 |
| 21.78.41.15 | 357443855 | 0 |
| 21.78.41.16 | 357443856 | 0 |
| 21.78.41.17 | 357443857 | 0 |
| 21.78.41.18 | 357443858 | 0 |
| 21.78.41.19 | 357443859 | 0 |
| 21.78.41.20 | 357443860 | 0 |
| 21.78.41.21 | 357443861 | 0 |
| 21.78.41.22 | 357443862 | 0 |
| 21.78.41.23 | 357443863 | 0 |
| 21.78.41.24 | 357443864 | 0 |
| 21.78.41.25 | 357443865 | 0 |
| 21.78.41.26 | 357443866 | 0 |
| 21.78.41.27 | 357443867 | 0 |
| 21.78.41.28 | 357443868 | 0 |
| 21.78.41.29 | 357443869 | 0 |
| 21.78.41.30 | 357443870 | 0 |
| 21.78.41.31 | 357443871 | 0 |
| 21.78.41.32 | 357443872 | 0 |
| 21.78.41.33 | 357443873 | 0 |
| 21.78.41.34 | 357443874 | 0 |
| 21.78.41.35 | 357443875 | 0 |
| 21.78.41.36 | 357443876 | 0 |
| 21.78.41.37 | 357443877 | 0 |
| 21.78.41.38 | 357443878 | 0 |
| 21.78.41.39 | 357443879 | 0 |
| 21.78.41.40 | 357443880 | 0 |
| 21.78.41.41 | 357443881 | 0 |
| 21.78.41.42 | 357443882 | 0 |
| 21.78.41.43 | 357443883 | 0 |
| 21.78.41.44 | 357443884 | 0 |
| 21.78.41.45 | 357443885 | 0 |
| 21.78.41.46 | 357443886 | 0 |
| 21.78.41.47 | 357443887 | 0 |
| 21.78.41.48 | 357443888 | 0 |
| 21.78.41.49 | 357443889 | 0 |
| 21.78.41.50 | 357443890 | 0 |
| 21.78.41.51 | 357443891 | 0 |
| 21.78.41.52 | 357443892 | 0 |
| 21.78.41.53 | 357443893 | 0 |
| 21.78.41.54 | 357443894 | 0 |
| 21.78.41.55 | 357443895 | 0 |
| 21.78.41.56 | 357443896 | 0 |
| 21.78.41.57 | 357443897 | 0 |
| 21.78.41.58 | 357443898 | 0 |
| 21.78.41.59 | 357443899 | 0 |
| 21.78.41.60 | 357443900 | 0 |
| 21.78.41.61 | 357443901 | 0 |
| 21.78.41.62 | 357443902 | 0 |
| 21.78.41.63 | 357443903 | 0 |
| 21.78.41.64 | 357443904 | 0 |
| 21.78.41.65 | 357443905 | 0 |
| 21.78.41.66 | 357443906 | 0 |
| 21.78.41.67 | 357443907 | 0 |
| 21.78.41.68 | 357443908 | 0 |
| 21.78.41.69 | 357443909 | 0 |
| 21.78.41.70 | 357443910 | 0 |
| 21.78.41.71 | 357443911 | 0 |
| 21.78.41.72 | 357443912 | 0 |
| 21.78.41.73 | 357443913 | 0 |
| 21.78.41.74 | 357443914 | 0 |
| 21.78.41.75 | 357443915 | 0 |
| 21.78.41.76 | 357443916 | 0 |
| 21.78.41.77 | 357443917 | 0 |
| 21.78.41.78 | 357443918 | 0 |
| 21.78.41.79 | 357443919 | 0 |
| 21.78.41.80 | 357443920 | 0 |
| 21.78.41.81 | 357443921 | 0 |
| 21.78.41.82 | 357443922 | 0 |
| 21.78.41.83 | 357443923 | 0 |
| 21.78.41.84 | 357443924 | 0 |
| 21.78.41.85 | 357443925 | 0 |