Les adresses IP débutant par 21.93.89 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 | 30/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Columbus | 39,9664 | -83,0128 | 2017-09-29 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-09-29 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.93.89.0 | 358439168 | 0 |
| 21.93.89.1 | 358439169 | 0 |
| 21.93.89.2 | 358439170 | 0 |
| 21.93.89.3 | 358439171 | 0 |
| 21.93.89.4 | 358439172 | 0 |
| 21.93.89.5 | 358439173 | 0 |
| 21.93.89.6 | 358439174 | 0 |
| 21.93.89.7 | 358439175 | 0 |
| 21.93.89.8 | 358439176 | 0 |
| 21.93.89.9 | 358439177 | 0 |
| 21.93.89.10 | 358439178 | 0 |
| 21.93.89.11 | 358439179 | 0 |
| 21.93.89.12 | 358439180 | 0 |
| 21.93.89.13 | 358439181 | 0 |
| 21.93.89.14 | 358439182 | 0 |
| 21.93.89.15 | 358439183 | 0 |
| 21.93.89.16 | 358439184 | 0 |
| 21.93.89.17 | 358439185 | 0 |
| 21.93.89.18 | 358439186 | 0 |
| 21.93.89.19 | 358439187 | 0 |
| 21.93.89.20 | 358439188 | 0 |
| 21.93.89.21 | 358439189 | 0 |
| 21.93.89.22 | 358439190 | 0 |
| 21.93.89.23 | 358439191 | 0 |
| 21.93.89.24 | 358439192 | 0 |
| 21.93.89.25 | 358439193 | 0 |
| 21.93.89.26 | 358439194 | 0 |
| 21.93.89.27 | 358439195 | 0 |
| 21.93.89.28 | 358439196 | 0 |
| 21.93.89.29 | 358439197 | 0 |
| 21.93.89.30 | 358439198 | 0 |
| 21.93.89.31 | 358439199 | 0 |
| 21.93.89.32 | 358439200 | 0 |
| 21.93.89.33 | 358439201 | 0 |
| 21.93.89.34 | 358439202 | 0 |
| 21.93.89.35 | 358439203 | 0 |
| 21.93.89.36 | 358439204 | 0 |
| 21.93.89.37 | 358439205 | 0 |
| 21.93.89.38 | 358439206 | 0 |
| 21.93.89.39 | 358439207 | 0 |
| 21.93.89.40 | 358439208 | 0 |
| 21.93.89.41 | 358439209 | 0 |
| 21.93.89.42 | 358439210 | 0 |
| 21.93.89.43 | 358439211 | 0 |
| 21.93.89.44 | 358439212 | 0 |
| 21.93.89.45 | 358439213 | 0 |
| 21.93.89.46 | 358439214 | 0 |
| 21.93.89.47 | 358439215 | 0 |
| 21.93.89.48 | 358439216 | 0 |
| 21.93.89.49 | 358439217 | 0 |
| 21.93.89.50 | 358439218 | 0 |
| 21.93.89.51 | 358439219 | 0 |
| 21.93.89.52 | 358439220 | 0 |
| 21.93.89.53 | 358439221 | 0 |
| 21.93.89.54 | 358439222 | 0 |
| 21.93.89.55 | 358439223 | 0 |
| 21.93.89.56 | 358439224 | 0 |
| 21.93.89.57 | 358439225 | 0 |
| 21.93.89.58 | 358439226 | 0 |
| 21.93.89.59 | 358439227 | 0 |
| 21.93.89.60 | 358439228 | 0 |
| 21.93.89.61 | 358439229 | 0 |
| 21.93.89.62 | 358439230 | 0 |
| 21.93.89.63 | 358439231 | 0 |
| 21.93.89.64 | 358439232 | 0 |
| 21.93.89.65 | 358439233 | 0 |
| 21.93.89.66 | 358439234 | 0 |
| 21.93.89.67 | 358439235 | 0 |
| 21.93.89.68 | 358439236 | 0 |
| 21.93.89.69 | 358439237 | 0 |
| 21.93.89.70 | 358439238 | 0 |
| 21.93.89.71 | 358439239 | 0 |
| 21.93.89.72 | 358439240 | 0 |
| 21.93.89.73 | 358439241 | 0 |
| 21.93.89.74 | 358439242 | 0 |
| 21.93.89.75 | 358439243 | 0 |
| 21.93.89.76 | 358439244 | 0 |
| 21.93.89.77 | 358439245 | 0 |
| 21.93.89.78 | 358439246 | 0 |
| 21.93.89.79 | 358439247 | 0 |
| 21.93.89.80 | 358439248 | 0 |
| 21.93.89.81 | 358439249 | 0 |
| 21.93.89.82 | 358439250 | 0 |
| 21.93.89.83 | 358439251 | 0 |
| 21.93.89.84 | 358439252 | 0 |
| 21.93.89.85 | 358439253 | 0 |