La dirección IP 21.205.3 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 | 30/07/2019 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | ES | España | - | Madrid | 40,4165 | -3,7026 | 2019-07-30 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2019-07-30 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.205.3.0 | 365757184 | 0 |
| 21.205.3.1 | 365757185 | 0 |
| 21.205.3.2 | 365757186 | 0 |
| 21.205.3.3 | 365757187 | 0 |
| 21.205.3.4 | 365757188 | 0 |
| 21.205.3.5 | 365757189 | 0 |
| 21.205.3.6 | 365757190 | 0 |
| 21.205.3.7 | 365757191 | 0 |
| 21.205.3.8 | 365757192 | 0 |
| 21.205.3.9 | 365757193 | 0 |
| 21.205.3.10 | 365757194 | 0 |
| 21.205.3.11 | 365757195 | 0 |
| 21.205.3.12 | 365757196 | 0 |
| 21.205.3.13 | 365757197 | 0 |
| 21.205.3.14 | 365757198 | 0 |
| 21.205.3.15 | 365757199 | 0 |
| 21.205.3.16 | 365757200 | 0 |
| 21.205.3.17 | 365757201 | 0 |
| 21.205.3.18 | 365757202 | 0 |
| 21.205.3.19 | 365757203 | 0 |
| 21.205.3.20 | 365757204 | 0 |
| 21.205.3.21 | 365757205 | 0 |
| 21.205.3.22 | 365757206 | 0 |
| 21.205.3.23 | 365757207 | 0 |
| 21.205.3.24 | 365757208 | 0 |
| 21.205.3.25 | 365757209 | 0 |
| 21.205.3.26 | 365757210 | 0 |
| 21.205.3.27 | 365757211 | 0 |
| 21.205.3.28 | 365757212 | 0 |
| 21.205.3.29 | 365757213 | 0 |
| 21.205.3.30 | 365757214 | 0 |
| 21.205.3.31 | 365757215 | 0 |
| 21.205.3.32 | 365757216 | 0 |
| 21.205.3.33 | 365757217 | 0 |
| 21.205.3.34 | 365757218 | 0 |
| 21.205.3.35 | 365757219 | 0 |
| 21.205.3.36 | 365757220 | 0 |
| 21.205.3.37 | 365757221 | 0 |
| 21.205.3.38 | 365757222 | 0 |
| 21.205.3.39 | 365757223 | 0 |
| 21.205.3.40 | 365757224 | 0 |
| 21.205.3.41 | 365757225 | 0 |
| 21.205.3.42 | 365757226 | 0 |
| 21.205.3.43 | 365757227 | 0 |
| 21.205.3.44 | 365757228 | 0 |
| 21.205.3.45 | 365757229 | 0 |
| 21.205.3.46 | 365757230 | 0 |
| 21.205.3.47 | 365757231 | 0 |
| 21.205.3.48 | 365757232 | 0 |
| 21.205.3.49 | 365757233 | 0 |
| 21.205.3.50 | 365757234 | 0 |
| 21.205.3.51 | 365757235 | 0 |
| 21.205.3.52 | 365757236 | 0 |
| 21.205.3.53 | 365757237 | 0 |
| 21.205.3.54 | 365757238 | 0 |
| 21.205.3.55 | 365757239 | 0 |
| 21.205.3.56 | 365757240 | 0 |
| 21.205.3.57 | 365757241 | 0 |
| 21.205.3.58 | 365757242 | 0 |
| 21.205.3.59 | 365757243 | 0 |
| 21.205.3.60 | 365757244 | 0 |
| 21.205.3.61 | 365757245 | 0 |
| 21.205.3.62 | 365757246 | 0 |
| 21.205.3.63 | 365757247 | 0 |
| 21.205.3.64 | 365757248 | 0 |
| 21.205.3.65 | 365757249 | 0 |
| 21.205.3.66 | 365757250 | 0 |
| 21.205.3.67 | 365757251 | 0 |
| 21.205.3.68 | 365757252 | 0 |
| 21.205.3.69 | 365757253 | 0 |
| 21.205.3.70 | 365757254 | 0 |
| 21.205.3.71 | 365757255 | 0 |
| 21.205.3.72 | 365757256 | 0 |
| 21.205.3.73 | 365757257 | 0 |
| 21.205.3.74 | 365757258 | 0 |
| 21.205.3.75 | 365757259 | 0 |
| 21.205.3.76 | 365757260 | 0 |
| 21.205.3.77 | 365757261 | 0 |
| 21.205.3.78 | 365757262 | 0 |
| 21.205.3.79 | 365757263 | 0 |
| 21.205.3.80 | 365757264 | 0 |
| 21.205.3.81 | 365757265 | 0 |
| 21.205.3.82 | 365757266 | 0 |
| 21.205.3.83 | 365757267 | 0 |
| 21.205.3.84 | 365757268 | 0 |
| 21.205.3.85 | 365757269 | 0 |