The IP address 21.97.56 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 | 04/05/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Houston | 29.7633 | -95.3633 | 2019-05-04 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2019-05-04 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.97.56.0 | 358692864 | 0 |
| 21.97.56.1 | 358692865 | 0 |
| 21.97.56.2 | 358692866 | 0 |
| 21.97.56.3 | 358692867 | 0 |
| 21.97.56.4 | 358692868 | 0 |
| 21.97.56.5 | 358692869 | 0 |
| 21.97.56.6 | 358692870 | 0 |
| 21.97.56.7 | 358692871 | 0 |
| 21.97.56.8 | 358692872 | 0 |
| 21.97.56.9 | 358692873 | 0 |
| 21.97.56.10 | 358692874 | 0 |
| 21.97.56.11 | 358692875 | 0 |
| 21.97.56.12 | 358692876 | 0 |
| 21.97.56.13 | 358692877 | 0 |
| 21.97.56.14 | 358692878 | 0 |
| 21.97.56.15 | 358692879 | 0 |
| 21.97.56.16 | 358692880 | 0 |
| 21.97.56.17 | 358692881 | 0 |
| 21.97.56.18 | 358692882 | 0 |
| 21.97.56.19 | 358692883 | 0 |
| 21.97.56.20 | 358692884 | 0 |
| 21.97.56.21 | 358692885 | 0 |
| 21.97.56.22 | 358692886 | 0 |
| 21.97.56.23 | 358692887 | 0 |
| 21.97.56.24 | 358692888 | 0 |
| 21.97.56.25 | 358692889 | 0 |
| 21.97.56.26 | 358692890 | 0 |
| 21.97.56.27 | 358692891 | 0 |
| 21.97.56.28 | 358692892 | 0 |
| 21.97.56.29 | 358692893 | 0 |
| 21.97.56.30 | 358692894 | 0 |
| 21.97.56.31 | 358692895 | 0 |
| 21.97.56.32 | 358692896 | 0 |
| 21.97.56.33 | 358692897 | 0 |
| 21.97.56.34 | 358692898 | 0 |
| 21.97.56.35 | 358692899 | 0 |
| 21.97.56.36 | 358692900 | 0 |
| 21.97.56.37 | 358692901 | 0 |
| 21.97.56.38 | 358692902 | 0 |
| 21.97.56.39 | 358692903 | 0 |
| 21.97.56.40 | 358692904 | 0 |
| 21.97.56.41 | 358692905 | 0 |
| 21.97.56.42 | 358692906 | 0 |
| 21.97.56.43 | 358692907 | 0 |
| 21.97.56.44 | 358692908 | 0 |
| 21.97.56.45 | 358692909 | 0 |
| 21.97.56.46 | 358692910 | 0 |
| 21.97.56.47 | 358692911 | 0 |
| 21.97.56.48 | 358692912 | 0 |
| 21.97.56.49 | 358692913 | 0 |
| 21.97.56.50 | 358692914 | 0 |
| 21.97.56.51 | 358692915 | 0 |
| 21.97.56.52 | 358692916 | 0 |
| 21.97.56.53 | 358692917 | 0 |
| 21.97.56.54 | 358692918 | 0 |
| 21.97.56.55 | 358692919 | 0 |
| 21.97.56.56 | 358692920 | 0 |
| 21.97.56.57 | 358692921 | 0 |
| 21.97.56.58 | 358692922 | 0 |
| 21.97.56.59 | 358692923 | 0 |
| 21.97.56.60 | 358692924 | 0 |
| 21.97.56.61 | 358692925 | 0 |
| 21.97.56.62 | 358692926 | 0 |
| 21.97.56.63 | 358692927 | 0 |
| 21.97.56.64 | 358692928 | 0 |
| 21.97.56.65 | 358692929 | 0 |
| 21.97.56.66 | 358692930 | 0 |
| 21.97.56.67 | 358692931 | 0 |
| 21.97.56.68 | 358692932 | 0 |
| 21.97.56.69 | 358692933 | 0 |
| 21.97.56.70 | 358692934 | 0 |
| 21.97.56.71 | 358692935 | 0 |
| 21.97.56.72 | 358692936 | 0 |
| 21.97.56.73 | 358692937 | 0 |
| 21.97.56.74 | 358692938 | 0 |
| 21.97.56.75 | 358692939 | 0 |
| 21.97.56.76 | 358692940 | 0 |
| 21.97.56.77 | 358692941 | 0 |
| 21.97.56.78 | 358692942 | 0 |
| 21.97.56.79 | 358692943 | 0 |
| 21.97.56.80 | 358692944 | 0 |
| 21.97.56.81 | 358692945 | 0 |
| 21.97.56.82 | 358692946 | 0 |
| 21.97.56.83 | 358692947 | 0 |
| 21.97.56.84 | 358692948 | 0 |
| 21.97.56.85 | 358692949 | 0 |