Les adresses IP débutant par 21.84.60 sont fournies par China Education and Research Network Center, elles appartiennent au CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, le bloc IP comprant les adresses de 22.30.204.0 à 22.30.205.255). Le numéro de système autonome (ASN) est 4538.
| ASN | 4538 |
| IP commençant par | 22.30.204.0 |
| IP se terminant par | 22.30.205.255 |
| Nom ASN | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numérique | |
| Registe | |
| Dernière mise à jour | 01/09/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Houston | 29,7633 | -95,3633 | 2018-09-01 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2018-09-01 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.84.60.0 | 357841920 | 0 |
| 21.84.60.1 | 357841921 | 0 |
| 21.84.60.2 | 357841922 | 0 |
| 21.84.60.3 | 357841923 | 0 |
| 21.84.60.4 | 357841924 | 0 |
| 21.84.60.5 | 357841925 | 0 |
| 21.84.60.6 | 357841926 | 0 |
| 21.84.60.7 | 357841927 | 0 |
| 21.84.60.8 | 357841928 | 0 |
| 21.84.60.9 | 357841929 | 0 |
| 21.84.60.10 | 357841930 | 0 |
| 21.84.60.11 | 357841931 | 0 |
| 21.84.60.12 | 357841932 | 0 |
| 21.84.60.13 | 357841933 | 0 |
| 21.84.60.14 | 357841934 | 0 |
| 21.84.60.15 | 357841935 | 0 |
| 21.84.60.16 | 357841936 | 0 |
| 21.84.60.17 | 357841937 | 0 |
| 21.84.60.18 | 357841938 | 0 |
| 21.84.60.19 | 357841939 | 0 |
| 21.84.60.20 | 357841940 | 0 |
| 21.84.60.21 | 357841941 | 0 |
| 21.84.60.22 | 357841942 | 0 |
| 21.84.60.23 | 357841943 | 0 |
| 21.84.60.24 | 357841944 | 0 |
| 21.84.60.25 | 357841945 | 0 |
| 21.84.60.26 | 357841946 | 0 |
| 21.84.60.27 | 357841947 | 0 |
| 21.84.60.28 | 357841948 | 0 |
| 21.84.60.29 | 357841949 | 0 |
| 21.84.60.30 | 357841950 | 0 |
| 21.84.60.31 | 357841951 | 0 |
| 21.84.60.32 | 357841952 | 0 |
| 21.84.60.33 | 357841953 | 0 |
| 21.84.60.34 | 357841954 | 0 |
| 21.84.60.35 | 357841955 | 0 |
| 21.84.60.36 | 357841956 | 0 |
| 21.84.60.37 | 357841957 | 0 |
| 21.84.60.38 | 357841958 | 0 |
| 21.84.60.39 | 357841959 | 0 |
| 21.84.60.40 | 357841960 | 0 |
| 21.84.60.41 | 357841961 | 0 |
| 21.84.60.42 | 357841962 | 0 |
| 21.84.60.43 | 357841963 | 0 |
| 21.84.60.44 | 357841964 | 0 |
| 21.84.60.45 | 357841965 | 0 |
| 21.84.60.46 | 357841966 | 0 |
| 21.84.60.47 | 357841967 | 0 |
| 21.84.60.48 | 357841968 | 0 |
| 21.84.60.49 | 357841969 | 0 |
| 21.84.60.50 | 357841970 | 0 |
| 21.84.60.51 | 357841971 | 0 |
| 21.84.60.52 | 357841972 | 0 |
| 21.84.60.53 | 357841973 | 0 |
| 21.84.60.54 | 357841974 | 0 |
| 21.84.60.55 | 357841975 | 0 |
| 21.84.60.56 | 357841976 | 0 |
| 21.84.60.57 | 357841977 | 0 |
| 21.84.60.58 | 357841978 | 0 |
| 21.84.60.59 | 357841979 | 0 |
| 21.84.60.60 | 357841980 | 0 |
| 21.84.60.61 | 357841981 | 0 |
| 21.84.60.62 | 357841982 | 0 |
| 21.84.60.63 | 357841983 | 0 |
| 21.84.60.64 | 357841984 | 0 |
| 21.84.60.65 | 357841985 | 0 |
| 21.84.60.66 | 357841986 | 0 |
| 21.84.60.67 | 357841987 | 0 |
| 21.84.60.68 | 357841988 | 0 |
| 21.84.60.69 | 357841989 | 0 |
| 21.84.60.70 | 357841990 | 0 |
| 21.84.60.71 | 357841991 | 0 |
| 21.84.60.72 | 357841992 | 0 |
| 21.84.60.73 | 357841993 | 0 |
| 21.84.60.74 | 357841994 | 0 |
| 21.84.60.75 | 357841995 | 0 |
| 21.84.60.76 | 357841996 | 0 |
| 21.84.60.77 | 357841997 | 0 |
| 21.84.60.78 | 357841998 | 0 |
| 21.84.60.79 | 357841999 | 0 |
| 21.84.60.80 | 357842000 | 0 |
| 21.84.60.81 | 357842001 | 0 |
| 21.84.60.82 | 357842002 | 0 |
| 21.84.60.83 | 357842003 | 0 |
| 21.84.60.84 | 357842004 | 0 |
| 21.84.60.85 | 357842005 | 0 |