The IP address 21.68.19 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 | 17/03/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2018-03-17 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2018-03-17 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.68.19.0 | 356782848 | 0 |
| 21.68.19.1 | 356782849 | 0 |
| 21.68.19.2 | 356782850 | 0 |
| 21.68.19.3 | 356782851 | 0 |
| 21.68.19.4 | 356782852 | 0 |
| 21.68.19.5 | 356782853 | 0 |
| 21.68.19.6 | 356782854 | 0 |
| 21.68.19.7 | 356782855 | 0 |
| 21.68.19.8 | 356782856 | 0 |
| 21.68.19.9 | 356782857 | 0 |
| 21.68.19.10 | 356782858 | 0 |
| 21.68.19.11 | 356782859 | 0 |
| 21.68.19.12 | 356782860 | 0 |
| 21.68.19.13 | 356782861 | 0 |
| 21.68.19.14 | 356782862 | 0 |
| 21.68.19.15 | 356782863 | 0 |
| 21.68.19.16 | 356782864 | 0 |
| 21.68.19.17 | 356782865 | 0 |
| 21.68.19.18 | 356782866 | 0 |
| 21.68.19.19 | 356782867 | 0 |
| 21.68.19.20 | 356782868 | 0 |
| 21.68.19.21 | 356782869 | 0 |
| 21.68.19.22 | 356782870 | 0 |
| 21.68.19.23 | 356782871 | 0 |
| 21.68.19.24 | 356782872 | 0 |
| 21.68.19.25 | 356782873 | 0 |
| 21.68.19.26 | 356782874 | 0 |
| 21.68.19.27 | 356782875 | 0 |
| 21.68.19.28 | 356782876 | 0 |
| 21.68.19.29 | 356782877 | 0 |
| 21.68.19.30 | 356782878 | 0 |
| 21.68.19.31 | 356782879 | 0 |
| 21.68.19.32 | 356782880 | 0 |
| 21.68.19.33 | 356782881 | 0 |
| 21.68.19.34 | 356782882 | 0 |
| 21.68.19.35 | 356782883 | 0 |
| 21.68.19.36 | 356782884 | 0 |
| 21.68.19.37 | 356782885 | 0 |
| 21.68.19.38 | 356782886 | 0 |
| 21.68.19.39 | 356782887 | 0 |
| 21.68.19.40 | 356782888 | 0 |
| 21.68.19.41 | 356782889 | 0 |
| 21.68.19.42 | 356782890 | 0 |
| 21.68.19.43 | 356782891 | 0 |
| 21.68.19.44 | 356782892 | 0 |
| 21.68.19.45 | 356782893 | 0 |
| 21.68.19.46 | 356782894 | 0 |
| 21.68.19.47 | 356782895 | 0 |
| 21.68.19.48 | 356782896 | 0 |
| 21.68.19.49 | 356782897 | 0 |
| 21.68.19.50 | 356782898 | 0 |
| 21.68.19.51 | 356782899 | 0 |
| 21.68.19.52 | 356782900 | 0 |
| 21.68.19.53 | 356782901 | 0 |
| 21.68.19.54 | 356782902 | 0 |
| 21.68.19.55 | 356782903 | 0 |
| 21.68.19.56 | 356782904 | 0 |
| 21.68.19.57 | 356782905 | 0 |
| 21.68.19.58 | 356782906 | 0 |
| 21.68.19.59 | 356782907 | 0 |
| 21.68.19.60 | 356782908 | 0 |
| 21.68.19.61 | 356782909 | 0 |
| 21.68.19.62 | 356782910 | 0 |
| 21.68.19.63 | 356782911 | 0 |
| 21.68.19.64 | 356782912 | 0 |
| 21.68.19.65 | 356782913 | 0 |
| 21.68.19.66 | 356782914 | 0 |
| 21.68.19.67 | 356782915 | 0 |
| 21.68.19.68 | 356782916 | 0 |
| 21.68.19.69 | 356782917 | 0 |
| 21.68.19.70 | 356782918 | 0 |
| 21.68.19.71 | 356782919 | 0 |
| 21.68.19.72 | 356782920 | 0 |
| 21.68.19.73 | 356782921 | 0 |
| 21.68.19.74 | 356782922 | 0 |
| 21.68.19.75 | 356782923 | 0 |
| 21.68.19.76 | 356782924 | 0 |
| 21.68.19.77 | 356782925 | 0 |
| 21.68.19.78 | 356782926 | 0 |
| 21.68.19.79 | 356782927 | 0 |
| 21.68.19.80 | 356782928 | 0 |
| 21.68.19.81 | 356782929 | 0 |
| 21.68.19.82 | 356782930 | 0 |
| 21.68.19.83 | 356782931 | 0 |
| 21.68.19.84 | 356782932 | 0 |
| 21.68.19.85 | 356782933 | 0 |