La dirección IP 21.233.3 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 | 12/10/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2017-10-12 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-10-12 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.233.3.0 | 367592192 | 0 |
| 21.233.3.1 | 367592193 | 0 |
| 21.233.3.2 | 367592194 | 0 |
| 21.233.3.3 | 367592195 | 0 |
| 21.233.3.4 | 367592196 | 0 |
| 21.233.3.5 | 367592197 | 0 |
| 21.233.3.6 | 367592198 | 0 |
| 21.233.3.7 | 367592199 | 0 |
| 21.233.3.8 | 367592200 | 0 |
| 21.233.3.9 | 367592201 | 0 |
| 21.233.3.10 | 367592202 | 0 |
| 21.233.3.11 | 367592203 | 0 |
| 21.233.3.12 | 367592204 | 0 |
| 21.233.3.13 | 367592205 | 0 |
| 21.233.3.14 | 367592206 | 0 |
| 21.233.3.15 | 367592207 | 0 |
| 21.233.3.16 | 367592208 | 0 |
| 21.233.3.17 | 367592209 | 0 |
| 21.233.3.18 | 367592210 | 0 |
| 21.233.3.19 | 367592211 | 0 |
| 21.233.3.20 | 367592212 | 0 |
| 21.233.3.21 | 367592213 | 0 |
| 21.233.3.22 | 367592214 | 0 |
| 21.233.3.23 | 367592215 | 0 |
| 21.233.3.24 | 367592216 | 0 |
| 21.233.3.25 | 367592217 | 0 |
| 21.233.3.26 | 367592218 | 0 |
| 21.233.3.27 | 367592219 | 0 |
| 21.233.3.28 | 367592220 | 0 |
| 21.233.3.29 | 367592221 | 0 |
| 21.233.3.30 | 367592222 | 0 |
| 21.233.3.31 | 367592223 | 0 |
| 21.233.3.32 | 367592224 | 0 |
| 21.233.3.33 | 367592225 | 0 |
| 21.233.3.34 | 367592226 | 0 |
| 21.233.3.35 | 367592227 | 0 |
| 21.233.3.36 | 367592228 | 0 |
| 21.233.3.37 | 367592229 | 0 |
| 21.233.3.38 | 367592230 | 0 |
| 21.233.3.39 | 367592231 | 0 |
| 21.233.3.40 | 367592232 | 0 |
| 21.233.3.41 | 367592233 | 0 |
| 21.233.3.42 | 367592234 | 0 |
| 21.233.3.43 | 367592235 | 0 |
| 21.233.3.44 | 367592236 | 0 |
| 21.233.3.45 | 367592237 | 0 |
| 21.233.3.46 | 367592238 | 0 |
| 21.233.3.47 | 367592239 | 0 |
| 21.233.3.48 | 367592240 | 0 |
| 21.233.3.49 | 367592241 | 0 |
| 21.233.3.50 | 367592242 | 0 |
| 21.233.3.51 | 367592243 | 0 |
| 21.233.3.52 | 367592244 | 0 |
| 21.233.3.53 | 367592245 | 0 |
| 21.233.3.54 | 367592246 | 0 |
| 21.233.3.55 | 367592247 | 0 |
| 21.233.3.56 | 367592248 | 0 |
| 21.233.3.57 | 367592249 | 0 |
| 21.233.3.58 | 367592250 | 0 |
| 21.233.3.59 | 367592251 | 0 |
| 21.233.3.60 | 367592252 | 0 |
| 21.233.3.61 | 367592253 | 0 |
| 21.233.3.62 | 367592254 | 0 |
| 21.233.3.63 | 367592255 | 0 |
| 21.233.3.64 | 367592256 | 0 |
| 21.233.3.65 | 367592257 | 0 |
| 21.233.3.66 | 367592258 | 0 |
| 21.233.3.67 | 367592259 | 0 |
| 21.233.3.68 | 367592260 | 0 |
| 21.233.3.69 | 367592261 | 0 |
| 21.233.3.70 | 367592262 | 0 |
| 21.233.3.71 | 367592263 | 0 |
| 21.233.3.72 | 367592264 | 0 |
| 21.233.3.73 | 367592265 | 0 |
| 21.233.3.74 | 367592266 | 0 |
| 21.233.3.75 | 367592267 | 0 |
| 21.233.3.76 | 367592268 | 0 |
| 21.233.3.77 | 367592269 | 0 |
| 21.233.3.78 | 367592270 | 0 |
| 21.233.3.79 | 367592271 | 0 |
| 21.233.3.80 | 367592272 | 0 |
| 21.233.3.81 | 367592273 | 0 |
| 21.233.3.82 | 367592274 | 0 |
| 21.233.3.83 | 367592275 | 0 |
| 21.233.3.84 | 367592276 | 0 |
| 21.233.3.85 | 367592277 | 0 |