Les adresses IP débutant par 21.78.93 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 | 13/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Columbus | 39,9664 | -83,0128 | 2017-07-13 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-07-13 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.78.93.0 | 357457152 | 0 |
| 21.78.93.1 | 357457153 | 0 |
| 21.78.93.2 | 357457154 | 0 |
| 21.78.93.3 | 357457155 | 0 |
| 21.78.93.4 | 357457156 | 0 |
| 21.78.93.5 | 357457157 | 0 |
| 21.78.93.6 | 357457158 | 0 |
| 21.78.93.7 | 357457159 | 0 |
| 21.78.93.8 | 357457160 | 0 |
| 21.78.93.9 | 357457161 | 0 |
| 21.78.93.10 | 357457162 | 0 |
| 21.78.93.11 | 357457163 | 0 |
| 21.78.93.12 | 357457164 | 0 |
| 21.78.93.13 | 357457165 | 0 |
| 21.78.93.14 | 357457166 | 0 |
| 21.78.93.15 | 357457167 | 0 |
| 21.78.93.16 | 357457168 | 0 |
| 21.78.93.17 | 357457169 | 0 |
| 21.78.93.18 | 357457170 | 0 |
| 21.78.93.19 | 357457171 | 0 |
| 21.78.93.20 | 357457172 | 0 |
| 21.78.93.21 | 357457173 | 0 |
| 21.78.93.22 | 357457174 | 0 |
| 21.78.93.23 | 357457175 | 0 |
| 21.78.93.24 | 357457176 | 0 |
| 21.78.93.25 | 357457177 | 0 |
| 21.78.93.26 | 357457178 | 0 |
| 21.78.93.27 | 357457179 | 0 |
| 21.78.93.28 | 357457180 | 0 |
| 21.78.93.29 | 357457181 | 0 |
| 21.78.93.30 | 357457182 | 0 |
| 21.78.93.31 | 357457183 | 0 |
| 21.78.93.32 | 357457184 | 0 |
| 21.78.93.33 | 357457185 | 0 |
| 21.78.93.34 | 357457186 | 0 |
| 21.78.93.35 | 357457187 | 0 |
| 21.78.93.36 | 357457188 | 0 |
| 21.78.93.37 | 357457189 | 0 |
| 21.78.93.38 | 357457190 | 0 |
| 21.78.93.39 | 357457191 | 0 |
| 21.78.93.40 | 357457192 | 0 |
| 21.78.93.41 | 357457193 | 0 |
| 21.78.93.42 | 357457194 | 0 |
| 21.78.93.43 | 357457195 | 0 |
| 21.78.93.44 | 357457196 | 0 |
| 21.78.93.45 | 357457197 | 0 |
| 21.78.93.46 | 357457198 | 0 |
| 21.78.93.47 | 357457199 | 0 |
| 21.78.93.48 | 357457200 | 0 |
| 21.78.93.49 | 357457201 | 0 |
| 21.78.93.50 | 357457202 | 0 |
| 21.78.93.51 | 357457203 | 0 |
| 21.78.93.52 | 357457204 | 0 |
| 21.78.93.53 | 357457205 | 0 |
| 21.78.93.54 | 357457206 | 0 |
| 21.78.93.55 | 357457207 | 0 |
| 21.78.93.56 | 357457208 | 0 |
| 21.78.93.57 | 357457209 | 0 |
| 21.78.93.58 | 357457210 | 0 |
| 21.78.93.59 | 357457211 | 0 |
| 21.78.93.60 | 357457212 | 0 |
| 21.78.93.61 | 357457213 | 0 |
| 21.78.93.62 | 357457214 | 0 |
| 21.78.93.63 | 357457215 | 0 |
| 21.78.93.64 | 357457216 | 0 |
| 21.78.93.65 | 357457217 | 0 |
| 21.78.93.66 | 357457218 | 0 |
| 21.78.93.67 | 357457219 | 0 |
| 21.78.93.68 | 357457220 | 0 |
| 21.78.93.69 | 357457221 | 0 |
| 21.78.93.70 | 357457222 | 0 |
| 21.78.93.71 | 357457223 | 0 |
| 21.78.93.72 | 357457224 | 0 |
| 21.78.93.73 | 357457225 | 0 |
| 21.78.93.74 | 357457226 | 0 |
| 21.78.93.75 | 357457227 | 0 |
| 21.78.93.76 | 357457228 | 0 |
| 21.78.93.77 | 357457229 | 0 |
| 21.78.93.78 | 357457230 | 0 |
| 21.78.93.79 | 357457231 | 0 |
| 21.78.93.80 | 357457232 | 0 |
| 21.78.93.81 | 357457233 | 0 |
| 21.78.93.82 | 357457234 | 0 |
| 21.78.93.83 | 357457235 | 0 |
| 21.78.93.84 | 357457236 | 0 |
| 21.78.93.85 | 357457237 | 0 |