The IP address 21.231.2 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 | 01/10/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2017-10-01 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2017-10-01 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.231.2.0 | 367460864 | 0 |
| 21.231.2.1 | 367460865 | 0 |
| 21.231.2.2 | 367460866 | 0 |
| 21.231.2.3 | 367460867 | 0 |
| 21.231.2.4 | 367460868 | 0 |
| 21.231.2.5 | 367460869 | 0 |
| 21.231.2.6 | 367460870 | 0 |
| 21.231.2.7 | 367460871 | 0 |
| 21.231.2.8 | 367460872 | 0 |
| 21.231.2.9 | 367460873 | 0 |
| 21.231.2.10 | 367460874 | 0 |
| 21.231.2.11 | 367460875 | 0 |
| 21.231.2.12 | 367460876 | 0 |
| 21.231.2.13 | 367460877 | 0 |
| 21.231.2.14 | 367460878 | 0 |
| 21.231.2.15 | 367460879 | 0 |
| 21.231.2.16 | 367460880 | 0 |
| 21.231.2.17 | 367460881 | 0 |
| 21.231.2.18 | 367460882 | 0 |
| 21.231.2.19 | 367460883 | 0 |
| 21.231.2.20 | 367460884 | 0 |
| 21.231.2.21 | 367460885 | 0 |
| 21.231.2.22 | 367460886 | 0 |
| 21.231.2.23 | 367460887 | 0 |
| 21.231.2.24 | 367460888 | 0 |
| 21.231.2.25 | 367460889 | 0 |
| 21.231.2.26 | 367460890 | 0 |
| 21.231.2.27 | 367460891 | 0 |
| 21.231.2.28 | 367460892 | 0 |
| 21.231.2.29 | 367460893 | 0 |
| 21.231.2.30 | 367460894 | 0 |
| 21.231.2.31 | 367460895 | 0 |
| 21.231.2.32 | 367460896 | 0 |
| 21.231.2.33 | 367460897 | 0 |
| 21.231.2.34 | 367460898 | 0 |
| 21.231.2.35 | 367460899 | 0 |
| 21.231.2.36 | 367460900 | 0 |
| 21.231.2.37 | 367460901 | 0 |
| 21.231.2.38 | 367460902 | 0 |
| 21.231.2.39 | 367460903 | 0 |
| 21.231.2.40 | 367460904 | 0 |
| 21.231.2.41 | 367460905 | 0 |
| 21.231.2.42 | 367460906 | 0 |
| 21.231.2.43 | 367460907 | 0 |
| 21.231.2.44 | 367460908 | 0 |
| 21.231.2.45 | 367460909 | 0 |
| 21.231.2.46 | 367460910 | 0 |
| 21.231.2.47 | 367460911 | 0 |
| 21.231.2.48 | 367460912 | 0 |
| 21.231.2.49 | 367460913 | 0 |
| 21.231.2.50 | 367460914 | 0 |
| 21.231.2.51 | 367460915 | 0 |
| 21.231.2.52 | 367460916 | 0 |
| 21.231.2.53 | 367460917 | 0 |
| 21.231.2.54 | 367460918 | 0 |
| 21.231.2.55 | 367460919 | 0 |
| 21.231.2.56 | 367460920 | 0 |
| 21.231.2.57 | 367460921 | 0 |
| 21.231.2.58 | 367460922 | 0 |
| 21.231.2.59 | 367460923 | 0 |
| 21.231.2.60 | 367460924 | 0 |
| 21.231.2.61 | 367460925 | 0 |
| 21.231.2.62 | 367460926 | 0 |
| 21.231.2.63 | 367460927 | 0 |
| 21.231.2.64 | 367460928 | 0 |
| 21.231.2.65 | 367460929 | 0 |
| 21.231.2.66 | 367460930 | 0 |
| 21.231.2.67 | 367460931 | 0 |
| 21.231.2.68 | 367460932 | 0 |
| 21.231.2.69 | 367460933 | 0 |
| 21.231.2.70 | 367460934 | 0 |
| 21.231.2.71 | 367460935 | 0 |
| 21.231.2.72 | 367460936 | 0 |
| 21.231.2.73 | 367460937 | 0 |
| 21.231.2.74 | 367460938 | 0 |
| 21.231.2.75 | 367460939 | 0 |
| 21.231.2.76 | 367460940 | 0 |
| 21.231.2.77 | 367460941 | 0 |
| 21.231.2.78 | 367460942 | 0 |
| 21.231.2.79 | 367460943 | 0 |
| 21.231.2.80 | 367460944 | 0 |
| 21.231.2.81 | 367460945 | 0 |
| 21.231.2.82 | 367460946 | 0 |
| 21.231.2.83 | 367460947 | 0 |
| 21.231.2.84 | 367460948 | 0 |
| 21.231.2.85 | 367460949 | 0 |