The IP address 21.99.48 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 | 29/07/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Houston | 29.7633 | -95.3633 | 2018-07-29 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2018-07-29 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.99.48.0 | 358821888 | 0 |
| 21.99.48.1 | 358821889 | 0 |
| 21.99.48.2 | 358821890 | 0 |
| 21.99.48.3 | 358821891 | 0 |
| 21.99.48.4 | 358821892 | 0 |
| 21.99.48.5 | 358821893 | 0 |
| 21.99.48.6 | 358821894 | 0 |
| 21.99.48.7 | 358821895 | 0 |
| 21.99.48.8 | 358821896 | 0 |
| 21.99.48.9 | 358821897 | 0 |
| 21.99.48.10 | 358821898 | 0 |
| 21.99.48.11 | 358821899 | 0 |
| 21.99.48.12 | 358821900 | 0 |
| 21.99.48.13 | 358821901 | 0 |
| 21.99.48.14 | 358821902 | 0 |
| 21.99.48.15 | 358821903 | 0 |
| 21.99.48.16 | 358821904 | 0 |
| 21.99.48.17 | 358821905 | 0 |
| 21.99.48.18 | 358821906 | 0 |
| 21.99.48.19 | 358821907 | 0 |
| 21.99.48.20 | 358821908 | 0 |
| 21.99.48.21 | 358821909 | 0 |
| 21.99.48.22 | 358821910 | 0 |
| 21.99.48.23 | 358821911 | 0 |
| 21.99.48.24 | 358821912 | 0 |
| 21.99.48.25 | 358821913 | 0 |
| 21.99.48.26 | 358821914 | 0 |
| 21.99.48.27 | 358821915 | 0 |
| 21.99.48.28 | 358821916 | 0 |
| 21.99.48.29 | 358821917 | 0 |
| 21.99.48.30 | 358821918 | 0 |
| 21.99.48.31 | 358821919 | 0 |
| 21.99.48.32 | 358821920 | 0 |
| 21.99.48.33 | 358821921 | 0 |
| 21.99.48.34 | 358821922 | 0 |
| 21.99.48.35 | 358821923 | 0 |
| 21.99.48.36 | 358821924 | 0 |
| 21.99.48.37 | 358821925 | 0 |
| 21.99.48.38 | 358821926 | 0 |
| 21.99.48.39 | 358821927 | 0 |
| 21.99.48.40 | 358821928 | 0 |
| 21.99.48.41 | 358821929 | 0 |
| 21.99.48.42 | 358821930 | 0 |
| 21.99.48.43 | 358821931 | 0 |
| 21.99.48.44 | 358821932 | 0 |
| 21.99.48.45 | 358821933 | 0 |
| 21.99.48.46 | 358821934 | 0 |
| 21.99.48.47 | 358821935 | 0 |
| 21.99.48.48 | 358821936 | 0 |
| 21.99.48.49 | 358821937 | 0 |
| 21.99.48.50 | 358821938 | 0 |
| 21.99.48.51 | 358821939 | 0 |
| 21.99.48.52 | 358821940 | 0 |
| 21.99.48.53 | 358821941 | 0 |
| 21.99.48.54 | 358821942 | 0 |
| 21.99.48.55 | 358821943 | 0 |
| 21.99.48.56 | 358821944 | 0 |
| 21.99.48.57 | 358821945 | 0 |
| 21.99.48.58 | 358821946 | 0 |
| 21.99.48.59 | 358821947 | 0 |
| 21.99.48.60 | 358821948 | 0 |
| 21.99.48.61 | 358821949 | 0 |
| 21.99.48.62 | 358821950 | 0 |
| 21.99.48.63 | 358821951 | 0 |
| 21.99.48.64 | 358821952 | 0 |
| 21.99.48.65 | 358821953 | 0 |
| 21.99.48.66 | 358821954 | 0 |
| 21.99.48.67 | 358821955 | 0 |
| 21.99.48.68 | 358821956 | 0 |
| 21.99.48.69 | 358821957 | 0 |
| 21.99.48.70 | 358821958 | 0 |
| 21.99.48.71 | 358821959 | 0 |
| 21.99.48.72 | 358821960 | 0 |
| 21.99.48.73 | 358821961 | 0 |
| 21.99.48.74 | 358821962 | 0 |
| 21.99.48.75 | 358821963 | 0 |
| 21.99.48.76 | 358821964 | 0 |
| 21.99.48.77 | 358821965 | 0 |
| 21.99.48.78 | 358821966 | 0 |
| 21.99.48.79 | 358821967 | 0 |
| 21.99.48.80 | 358821968 | 0 |
| 21.99.48.81 | 358821969 | 0 |
| 21.99.48.82 | 358821970 | 0 |
| 21.99.48.83 | 358821971 | 0 |
| 21.99.48.84 | 358821972 | 0 |
| 21.99.48.85 | 358821973 | 0 |