The IP address 21.8.185 is provided by China Education and Research Network Center, it's belong to the CDIR (Classless Inter-Domain Routing) 22.30.204.0/23 (range 22.30.204.0 to 22.30.205.255). The autonomous system number (ASN) is 4538.
| ASN | 4538 |
| IP starting by | 22.30.204.0 |
| IP ending by | 22.30.205.255 |
| ASN Name | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| Numerical IP | |
| Registry | |
| Last update | 10/08/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2017-08-10 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2017-08-10 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.8.185.0 | 352893184 | 0 |
| 21.8.185.1 | 352893185 | 0 |
| 21.8.185.2 | 352893186 | 0 |
| 21.8.185.3 | 352893187 | 0 |
| 21.8.185.4 | 352893188 | 0 |
| 21.8.185.5 | 352893189 | 0 |
| 21.8.185.6 | 352893190 | 0 |
| 21.8.185.7 | 352893191 | 0 |
| 21.8.185.8 | 352893192 | 0 |
| 21.8.185.9 | 352893193 | 0 |
| 21.8.185.10 | 352893194 | 0 |
| 21.8.185.11 | 352893195 | 0 |
| 21.8.185.12 | 352893196 | 0 |
| 21.8.185.13 | 352893197 | 0 |
| 21.8.185.14 | 352893198 | 0 |
| 21.8.185.15 | 352893199 | 0 |
| 21.8.185.16 | 352893200 | 0 |
| 21.8.185.17 | 352893201 | 0 |
| 21.8.185.18 | 352893202 | 0 |
| 21.8.185.19 | 352893203 | 0 |
| 21.8.185.20 | 352893204 | 0 |
| 21.8.185.21 | 352893205 | 0 |
| 21.8.185.22 | 352893206 | 0 |
| 21.8.185.23 | 352893207 | 0 |
| 21.8.185.24 | 352893208 | 0 |
| 21.8.185.25 | 352893209 | 0 |
| 21.8.185.26 | 352893210 | 0 |
| 21.8.185.27 | 352893211 | 0 |
| 21.8.185.28 | 352893212 | 0 |
| 21.8.185.29 | 352893213 | 0 |
| 21.8.185.30 | 352893214 | 0 |
| 21.8.185.31 | 352893215 | 0 |
| 21.8.185.32 | 352893216 | 0 |
| 21.8.185.33 | 352893217 | 0 |
| 21.8.185.34 | 352893218 | 0 |
| 21.8.185.35 | 352893219 | 0 |
| 21.8.185.36 | 352893220 | 0 |
| 21.8.185.37 | 352893221 | 0 |
| 21.8.185.38 | 352893222 | 0 |
| 21.8.185.39 | 352893223 | 0 |
| 21.8.185.40 | 352893224 | 0 |
| 21.8.185.41 | 352893225 | 0 |
| 21.8.185.42 | 352893226 | 0 |
| 21.8.185.43 | 352893227 | 0 |
| 21.8.185.44 | 352893228 | 0 |
| 21.8.185.45 | 352893229 | 0 |
| 21.8.185.46 | 352893230 | 0 |
| 21.8.185.47 | 352893231 | 0 |
| 21.8.185.48 | 352893232 | 0 |
| 21.8.185.49 | 352893233 | 0 |
| 21.8.185.50 | 352893234 | 0 |
| 21.8.185.51 | 352893235 | 0 |
| 21.8.185.52 | 352893236 | 0 |
| 21.8.185.53 | 352893237 | 0 |
| 21.8.185.54 | 352893238 | 0 |
| 21.8.185.55 | 352893239 | 0 |
| 21.8.185.56 | 352893240 | 0 |
| 21.8.185.57 | 352893241 | 0 |
| 21.8.185.58 | 352893242 | 0 |
| 21.8.185.59 | 352893243 | 0 |
| 21.8.185.60 | 352893244 | 0 |
| 21.8.185.61 | 352893245 | 0 |
| 21.8.185.62 | 352893246 | 0 |
| 21.8.185.63 | 352893247 | 0 |
| 21.8.185.64 | 352893248 | 0 |
| 21.8.185.65 | 352893249 | 0 |
| 21.8.185.66 | 352893250 | 0 |
| 21.8.185.67 | 352893251 | 0 |
| 21.8.185.68 | 352893252 | 0 |
| 21.8.185.69 | 352893253 | 0 |
| 21.8.185.70 | 352893254 | 0 |
| 21.8.185.71 | 352893255 | 0 |
| 21.8.185.72 | 352893256 | 0 |
| 21.8.185.73 | 352893257 | 0 |
| 21.8.185.74 | 352893258 | 0 |
| 21.8.185.75 | 352893259 | 0 |
| 21.8.185.76 | 352893260 | 0 |
| 21.8.185.77 | 352893261 | 0 |
| 21.8.185.78 | 352893262 | 0 |
| 21.8.185.79 | 352893263 | 0 |
| 21.8.185.80 | 352893264 | 0 |
| 21.8.185.81 | 352893265 | 0 |
| 21.8.185.82 | 352893266 | 0 |
| 21.8.185.83 | 352893267 | 0 |
| 21.8.185.84 | 352893268 | 0 |
| 21.8.185.85 | 352893269 | 0 |