La dirección IP 21.243.9 es proporcionada por China Education and Research Network Center, que es propiedad de la CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, IP entre 22.30.204.0 a 22.30.205.255 ). El número de sistema autónomo (ASN) es 4538.
| ASN | 4538 |
| IP que comienzan con | 22.30.204.0 |
| IP que termina con | 22.30.205.255 |
| ASN Nombre | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numérica | |
| Registe | |
| Última actualización | 12/11/2018 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | ES | España | - | Madrid | 40,4165 | -3,7026 | 2018-11-12 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2018-11-12 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.243.9.0 | 368249088 | 0 |
| 21.243.9.1 | 368249089 | 0 |
| 21.243.9.2 | 368249090 | 0 |
| 21.243.9.3 | 368249091 | 0 |
| 21.243.9.4 | 368249092 | 0 |
| 21.243.9.5 | 368249093 | 0 |
| 21.243.9.6 | 368249094 | 0 |
| 21.243.9.7 | 368249095 | 0 |
| 21.243.9.8 | 368249096 | 0 |
| 21.243.9.9 | 368249097 | 0 |
| 21.243.9.10 | 368249098 | 0 |
| 21.243.9.11 | 368249099 | 0 |
| 21.243.9.12 | 368249100 | 0 |
| 21.243.9.13 | 368249101 | 0 |
| 21.243.9.14 | 368249102 | 0 |
| 21.243.9.15 | 368249103 | 0 |
| 21.243.9.16 | 368249104 | 0 |
| 21.243.9.17 | 368249105 | 0 |
| 21.243.9.18 | 368249106 | 0 |
| 21.243.9.19 | 368249107 | 0 |
| 21.243.9.20 | 368249108 | 0 |
| 21.243.9.21 | 368249109 | 0 |
| 21.243.9.22 | 368249110 | 0 |
| 21.243.9.23 | 368249111 | 0 |
| 21.243.9.24 | 368249112 | 0 |
| 21.243.9.25 | 368249113 | 0 |
| 21.243.9.26 | 368249114 | 0 |
| 21.243.9.27 | 368249115 | 0 |
| 21.243.9.28 | 368249116 | 0 |
| 21.243.9.29 | 368249117 | 0 |
| 21.243.9.30 | 368249118 | 0 |
| 21.243.9.31 | 368249119 | 0 |
| 21.243.9.32 | 368249120 | 0 |
| 21.243.9.33 | 368249121 | 0 |
| 21.243.9.34 | 368249122 | 0 |
| 21.243.9.35 | 368249123 | 0 |
| 21.243.9.36 | 368249124 | 0 |
| 21.243.9.37 | 368249125 | 0 |
| 21.243.9.38 | 368249126 | 0 |
| 21.243.9.39 | 368249127 | 0 |
| 21.243.9.40 | 368249128 | 0 |
| 21.243.9.41 | 368249129 | 0 |
| 21.243.9.42 | 368249130 | 0 |
| 21.243.9.43 | 368249131 | 0 |
| 21.243.9.44 | 368249132 | 0 |
| 21.243.9.45 | 368249133 | 0 |
| 21.243.9.46 | 368249134 | 0 |
| 21.243.9.47 | 368249135 | 0 |
| 21.243.9.48 | 368249136 | 0 |
| 21.243.9.49 | 368249137 | 0 |
| 21.243.9.50 | 368249138 | 0 |
| 21.243.9.51 | 368249139 | 0 |
| 21.243.9.52 | 368249140 | 0 |
| 21.243.9.53 | 368249141 | 0 |
| 21.243.9.54 | 368249142 | 0 |
| 21.243.9.55 | 368249143 | 0 |
| 21.243.9.56 | 368249144 | 0 |
| 21.243.9.57 | 368249145 | 0 |
| 21.243.9.58 | 368249146 | 0 |
| 21.243.9.59 | 368249147 | 0 |
| 21.243.9.60 | 368249148 | 0 |
| 21.243.9.61 | 368249149 | 0 |
| 21.243.9.62 | 368249150 | 0 |
| 21.243.9.63 | 368249151 | 0 |
| 21.243.9.64 | 368249152 | 0 |
| 21.243.9.65 | 368249153 | 0 |
| 21.243.9.66 | 368249154 | 0 |
| 21.243.9.67 | 368249155 | 0 |
| 21.243.9.68 | 368249156 | 0 |
| 21.243.9.69 | 368249157 | 0 |
| 21.243.9.70 | 368249158 | 0 |
| 21.243.9.71 | 368249159 | 0 |
| 21.243.9.72 | 368249160 | 0 |
| 21.243.9.73 | 368249161 | 0 |
| 21.243.9.74 | 368249162 | 0 |
| 21.243.9.75 | 368249163 | 0 |
| 21.243.9.76 | 368249164 | 0 |
| 21.243.9.77 | 368249165 | 0 |
| 21.243.9.78 | 368249166 | 0 |
| 21.243.9.79 | 368249167 | 0 |
| 21.243.9.80 | 368249168 | 0 |
| 21.243.9.81 | 368249169 | 0 |
| 21.243.9.82 | 368249170 | 0 |
| 21.243.9.83 | 368249171 | 0 |
| 21.243.9.84 | 368249172 | 0 |
| 21.243.9.85 | 368249173 | 0 |