The IP address 21.76.30 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 | 02/08/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2017-08-02 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2017-08-02 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.76.30.0 | 357309952 | 0 |
| 21.76.30.1 | 357309953 | 0 |
| 21.76.30.2 | 357309954 | 0 |
| 21.76.30.3 | 357309955 | 0 |
| 21.76.30.4 | 357309956 | 0 |
| 21.76.30.5 | 357309957 | 0 |
| 21.76.30.6 | 357309958 | 0 |
| 21.76.30.7 | 357309959 | 0 |
| 21.76.30.8 | 357309960 | 0 |
| 21.76.30.9 | 357309961 | 0 |
| 21.76.30.10 | 357309962 | 0 |
| 21.76.30.11 | 357309963 | 0 |
| 21.76.30.12 | 357309964 | 0 |
| 21.76.30.13 | 357309965 | 0 |
| 21.76.30.14 | 357309966 | 0 |
| 21.76.30.15 | 357309967 | 0 |
| 21.76.30.16 | 357309968 | 0 |
| 21.76.30.17 | 357309969 | 0 |
| 21.76.30.18 | 357309970 | 0 |
| 21.76.30.19 | 357309971 | 0 |
| 21.76.30.20 | 357309972 | 0 |
| 21.76.30.21 | 357309973 | 0 |
| 21.76.30.22 | 357309974 | 0 |
| 21.76.30.23 | 357309975 | 0 |
| 21.76.30.24 | 357309976 | 0 |
| 21.76.30.25 | 357309977 | 0 |
| 21.76.30.26 | 357309978 | 0 |
| 21.76.30.27 | 357309979 | 0 |
| 21.76.30.28 | 357309980 | 0 |
| 21.76.30.29 | 357309981 | 0 |
| 21.76.30.30 | 357309982 | 0 |
| 21.76.30.31 | 357309983 | 0 |
| 21.76.30.32 | 357309984 | 0 |
| 21.76.30.33 | 357309985 | 0 |
| 21.76.30.34 | 357309986 | 0 |
| 21.76.30.35 | 357309987 | 0 |
| 21.76.30.36 | 357309988 | 0 |
| 21.76.30.37 | 357309989 | 0 |
| 21.76.30.38 | 357309990 | 0 |
| 21.76.30.39 | 357309991 | 0 |
| 21.76.30.40 | 357309992 | 0 |
| 21.76.30.41 | 357309993 | 0 |
| 21.76.30.42 | 357309994 | 0 |
| 21.76.30.43 | 357309995 | 0 |
| 21.76.30.44 | 357309996 | 0 |
| 21.76.30.45 | 357309997 | 0 |
| 21.76.30.46 | 357309998 | 0 |
| 21.76.30.47 | 357309999 | 0 |
| 21.76.30.48 | 357310000 | 0 |
| 21.76.30.49 | 357310001 | 0 |
| 21.76.30.50 | 357310002 | 0 |
| 21.76.30.51 | 357310003 | 0 |
| 21.76.30.52 | 357310004 | 0 |
| 21.76.30.53 | 357310005 | 0 |
| 21.76.30.54 | 357310006 | 0 |
| 21.76.30.55 | 357310007 | 0 |
| 21.76.30.56 | 357310008 | 0 |
| 21.76.30.57 | 357310009 | 0 |
| 21.76.30.58 | 357310010 | 0 |
| 21.76.30.59 | 357310011 | 0 |
| 21.76.30.60 | 357310012 | 0 |
| 21.76.30.61 | 357310013 | 0 |
| 21.76.30.62 | 357310014 | 0 |
| 21.76.30.63 | 357310015 | 0 |
| 21.76.30.64 | 357310016 | 0 |
| 21.76.30.65 | 357310017 | 0 |
| 21.76.30.66 | 357310018 | 0 |
| 21.76.30.67 | 357310019 | 0 |
| 21.76.30.68 | 357310020 | 0 |
| 21.76.30.69 | 357310021 | 0 |
| 21.76.30.70 | 357310022 | 0 |
| 21.76.30.71 | 357310023 | 0 |
| 21.76.30.72 | 357310024 | 0 |
| 21.76.30.73 | 357310025 | 0 |
| 21.76.30.74 | 357310026 | 0 |
| 21.76.30.75 | 357310027 | 0 |
| 21.76.30.76 | 357310028 | 0 |
| 21.76.30.77 | 357310029 | 0 |
| 21.76.30.78 | 357310030 | 0 |
| 21.76.30.79 | 357310031 | 0 |
| 21.76.30.80 | 357310032 | 0 |
| 21.76.30.81 | 357310033 | 0 |
| 21.76.30.82 | 357310034 | 0 |
| 21.76.30.83 | 357310035 | 0 |
| 21.76.30.84 | 357310036 | 0 |
| 21.76.30.85 | 357310037 | 0 |