The IP address 21.97.52 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 | 30/09/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Houston | 29.7633 | -95.3633 | 2018-09-30 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2018-09-30 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.97.52.0 | 358691840 | 0 |
| 21.97.52.1 | 358691841 | 0 |
| 21.97.52.2 | 358691842 | 0 |
| 21.97.52.3 | 358691843 | 0 |
| 21.97.52.4 | 358691844 | 0 |
| 21.97.52.5 | 358691845 | 0 |
| 21.97.52.6 | 358691846 | 0 |
| 21.97.52.7 | 358691847 | 0 |
| 21.97.52.8 | 358691848 | 0 |
| 21.97.52.9 | 358691849 | 0 |
| 21.97.52.10 | 358691850 | 0 |
| 21.97.52.11 | 358691851 | 0 |
| 21.97.52.12 | 358691852 | 0 |
| 21.97.52.13 | 358691853 | 0 |
| 21.97.52.14 | 358691854 | 0 |
| 21.97.52.15 | 358691855 | 0 |
| 21.97.52.16 | 358691856 | 0 |
| 21.97.52.17 | 358691857 | 0 |
| 21.97.52.18 | 358691858 | 0 |
| 21.97.52.19 | 358691859 | 0 |
| 21.97.52.20 | 358691860 | 0 |
| 21.97.52.21 | 358691861 | 0 |
| 21.97.52.22 | 358691862 | 0 |
| 21.97.52.23 | 358691863 | 0 |
| 21.97.52.24 | 358691864 | 0 |
| 21.97.52.25 | 358691865 | 0 |
| 21.97.52.26 | 358691866 | 0 |
| 21.97.52.27 | 358691867 | 0 |
| 21.97.52.28 | 358691868 | 0 |
| 21.97.52.29 | 358691869 | 0 |
| 21.97.52.30 | 358691870 | 0 |
| 21.97.52.31 | 358691871 | 0 |
| 21.97.52.32 | 358691872 | 0 |
| 21.97.52.33 | 358691873 | 0 |
| 21.97.52.34 | 358691874 | 0 |
| 21.97.52.35 | 358691875 | 0 |
| 21.97.52.36 | 358691876 | 0 |
| 21.97.52.37 | 358691877 | 0 |
| 21.97.52.38 | 358691878 | 0 |
| 21.97.52.39 | 358691879 | 0 |
| 21.97.52.40 | 358691880 | 0 |
| 21.97.52.41 | 358691881 | 0 |
| 21.97.52.42 | 358691882 | 0 |
| 21.97.52.43 | 358691883 | 0 |
| 21.97.52.44 | 358691884 | 0 |
| 21.97.52.45 | 358691885 | 0 |
| 21.97.52.46 | 358691886 | 0 |
| 21.97.52.47 | 358691887 | 0 |
| 21.97.52.48 | 358691888 | 0 |
| 21.97.52.49 | 358691889 | 0 |
| 21.97.52.50 | 358691890 | 0 |
| 21.97.52.51 | 358691891 | 0 |
| 21.97.52.52 | 358691892 | 0 |
| 21.97.52.53 | 358691893 | 0 |
| 21.97.52.54 | 358691894 | 0 |
| 21.97.52.55 | 358691895 | 0 |
| 21.97.52.56 | 358691896 | 0 |
| 21.97.52.57 | 358691897 | 0 |
| 21.97.52.58 | 358691898 | 0 |
| 21.97.52.59 | 358691899 | 0 |
| 21.97.52.60 | 358691900 | 0 |
| 21.97.52.61 | 358691901 | 0 |
| 21.97.52.62 | 358691902 | 0 |
| 21.97.52.63 | 358691903 | 0 |
| 21.97.52.64 | 358691904 | 0 |
| 21.97.52.65 | 358691905 | 0 |
| 21.97.52.66 | 358691906 | 0 |
| 21.97.52.67 | 358691907 | 0 |
| 21.97.52.68 | 358691908 | 0 |
| 21.97.52.69 | 358691909 | 0 |
| 21.97.52.70 | 358691910 | 0 |
| 21.97.52.71 | 358691911 | 0 |
| 21.97.52.72 | 358691912 | 0 |
| 21.97.52.73 | 358691913 | 0 |
| 21.97.52.74 | 358691914 | 0 |
| 21.97.52.75 | 358691915 | 0 |
| 21.97.52.76 | 358691916 | 0 |
| 21.97.52.77 | 358691917 | 0 |
| 21.97.52.78 | 358691918 | 0 |
| 21.97.52.79 | 358691919 | 0 |
| 21.97.52.80 | 358691920 | 0 |
| 21.97.52.81 | 358691921 | 0 |
| 21.97.52.82 | 358691922 | 0 |
| 21.97.52.83 | 358691923 | 0 |
| 21.97.52.84 | 358691924 | 0 |
| 21.97.52.85 | 358691925 | 0 |