Les adresses IP débutant par 21.204.5 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 | 26/11/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | ES | Espagne | - | Madrid | 40,4165 | -3,7026 | 2018-11-26 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2018-11-26 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.204.5.0 | 365692160 | 0 |
| 21.204.5.1 | 365692161 | 0 |
| 21.204.5.2 | 365692162 | 0 |
| 21.204.5.3 | 365692163 | 0 |
| 21.204.5.4 | 365692164 | 0 |
| 21.204.5.5 | 365692165 | 0 |
| 21.204.5.6 | 365692166 | 0 |
| 21.204.5.7 | 365692167 | 0 |
| 21.204.5.8 | 365692168 | 0 |
| 21.204.5.9 | 365692169 | 0 |
| 21.204.5.10 | 365692170 | 0 |
| 21.204.5.11 | 365692171 | 0 |
| 21.204.5.12 | 365692172 | 0 |
| 21.204.5.13 | 365692173 | 0 |
| 21.204.5.14 | 365692174 | 0 |
| 21.204.5.15 | 365692175 | 0 |
| 21.204.5.16 | 365692176 | 0 |
| 21.204.5.17 | 365692177 | 0 |
| 21.204.5.18 | 365692178 | 0 |
| 21.204.5.19 | 365692179 | 0 |
| 21.204.5.20 | 365692180 | 0 |
| 21.204.5.21 | 365692181 | 0 |
| 21.204.5.22 | 365692182 | 0 |
| 21.204.5.23 | 365692183 | 0 |
| 21.204.5.24 | 365692184 | 0 |
| 21.204.5.25 | 365692185 | 0 |
| 21.204.5.26 | 365692186 | 0 |
| 21.204.5.27 | 365692187 | 0 |
| 21.204.5.28 | 365692188 | 0 |
| 21.204.5.29 | 365692189 | 0 |
| 21.204.5.30 | 365692190 | 0 |
| 21.204.5.31 | 365692191 | 0 |
| 21.204.5.32 | 365692192 | 0 |
| 21.204.5.33 | 365692193 | 0 |
| 21.204.5.34 | 365692194 | 0 |
| 21.204.5.35 | 365692195 | 0 |
| 21.204.5.36 | 365692196 | 0 |
| 21.204.5.37 | 365692197 | 0 |
| 21.204.5.38 | 365692198 | 0 |
| 21.204.5.39 | 365692199 | 0 |
| 21.204.5.40 | 365692200 | 0 |
| 21.204.5.41 | 365692201 | 0 |
| 21.204.5.42 | 365692202 | 0 |
| 21.204.5.43 | 365692203 | 0 |
| 21.204.5.44 | 365692204 | 0 |
| 21.204.5.45 | 365692205 | 0 |
| 21.204.5.46 | 365692206 | 0 |
| 21.204.5.47 | 365692207 | 0 |
| 21.204.5.48 | 365692208 | 0 |
| 21.204.5.49 | 365692209 | 0 |
| 21.204.5.50 | 365692210 | 0 |
| 21.204.5.51 | 365692211 | 0 |
| 21.204.5.52 | 365692212 | 0 |
| 21.204.5.53 | 365692213 | 0 |
| 21.204.5.54 | 365692214 | 0 |
| 21.204.5.55 | 365692215 | 0 |
| 21.204.5.56 | 365692216 | 0 |
| 21.204.5.57 | 365692217 | 0 |
| 21.204.5.58 | 365692218 | 0 |
| 21.204.5.59 | 365692219 | 0 |
| 21.204.5.60 | 365692220 | 0 |
| 21.204.5.61 | 365692221 | 0 |
| 21.204.5.62 | 365692222 | 0 |
| 21.204.5.63 | 365692223 | 0 |
| 21.204.5.64 | 365692224 | 0 |
| 21.204.5.65 | 365692225 | 0 |
| 21.204.5.66 | 365692226 | 0 |
| 21.204.5.67 | 365692227 | 0 |
| 21.204.5.68 | 365692228 | 0 |
| 21.204.5.69 | 365692229 | 0 |
| 21.204.5.70 | 365692230 | 0 |
| 21.204.5.71 | 365692231 | 0 |
| 21.204.5.72 | 365692232 | 0 |
| 21.204.5.73 | 365692233 | 0 |
| 21.204.5.74 | 365692234 | 0 |
| 21.204.5.75 | 365692235 | 0 |
| 21.204.5.76 | 365692236 | 0 |
| 21.204.5.77 | 365692237 | 0 |
| 21.204.5.78 | 365692238 | 0 |
| 21.204.5.79 | 365692239 | 0 |
| 21.204.5.80 | 365692240 | 0 |
| 21.204.5.81 | 365692241 | 0 |
| 21.204.5.82 | 365692242 | 0 |
| 21.204.5.83 | 365692243 | 0 |
| 21.204.5.84 | 365692244 | 0 |
| 21.204.5.85 | 365692245 | 0 |