The IP address 21.6.166 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 | 25/10/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Las Vegas | 36.175 | -115.1372 | 2019-10-25 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2019-10-25 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.6.166.0 | 352757248 | 0 |
| 21.6.166.1 | 352757249 | 0 |
| 21.6.166.2 | 352757250 | 0 |
| 21.6.166.3 | 352757251 | 0 |
| 21.6.166.4 | 352757252 | 0 |
| 21.6.166.5 | 352757253 | 0 |
| 21.6.166.6 | 352757254 | 0 |
| 21.6.166.7 | 352757255 | 0 |
| 21.6.166.8 | 352757256 | 0 |
| 21.6.166.9 | 352757257 | 0 |
| 21.6.166.10 | 352757258 | 0 |
| 21.6.166.11 | 352757259 | 0 |
| 21.6.166.12 | 352757260 | 0 |
| 21.6.166.13 | 352757261 | 0 |
| 21.6.166.14 | 352757262 | 0 |
| 21.6.166.15 | 352757263 | 0 |
| 21.6.166.16 | 352757264 | 0 |
| 21.6.166.17 | 352757265 | 0 |
| 21.6.166.18 | 352757266 | 0 |
| 21.6.166.19 | 352757267 | 0 |
| 21.6.166.20 | 352757268 | 0 |
| 21.6.166.21 | 352757269 | 0 |
| 21.6.166.22 | 352757270 | 0 |
| 21.6.166.23 | 352757271 | 0 |
| 21.6.166.24 | 352757272 | 0 |
| 21.6.166.25 | 352757273 | 0 |
| 21.6.166.26 | 352757274 | 0 |
| 21.6.166.27 | 352757275 | 0 |
| 21.6.166.28 | 352757276 | 0 |
| 21.6.166.29 | 352757277 | 0 |
| 21.6.166.30 | 352757278 | 0 |
| 21.6.166.31 | 352757279 | 0 |
| 21.6.166.32 | 352757280 | 0 |
| 21.6.166.33 | 352757281 | 0 |
| 21.6.166.34 | 352757282 | 0 |
| 21.6.166.35 | 352757283 | 0 |
| 21.6.166.36 | 352757284 | 0 |
| 21.6.166.37 | 352757285 | 0 |
| 21.6.166.38 | 352757286 | 0 |
| 21.6.166.39 | 352757287 | 0 |
| 21.6.166.40 | 352757288 | 0 |
| 21.6.166.41 | 352757289 | 0 |
| 21.6.166.42 | 352757290 | 0 |
| 21.6.166.43 | 352757291 | 0 |
| 21.6.166.44 | 352757292 | 0 |
| 21.6.166.45 | 352757293 | 0 |
| 21.6.166.46 | 352757294 | 0 |
| 21.6.166.47 | 352757295 | 0 |
| 21.6.166.48 | 352757296 | 0 |
| 21.6.166.49 | 352757297 | 0 |
| 21.6.166.50 | 352757298 | 0 |
| 21.6.166.51 | 352757299 | 0 |
| 21.6.166.52 | 352757300 | 0 |
| 21.6.166.53 | 352757301 | 0 |
| 21.6.166.54 | 352757302 | 0 |
| 21.6.166.55 | 352757303 | 0 |
| 21.6.166.56 | 352757304 | 0 |
| 21.6.166.57 | 352757305 | 0 |
| 21.6.166.58 | 352757306 | 0 |
| 21.6.166.59 | 352757307 | 0 |
| 21.6.166.60 | 352757308 | 0 |
| 21.6.166.61 | 352757309 | 0 |
| 21.6.166.62 | 352757310 | 0 |
| 21.6.166.63 | 352757311 | 0 |
| 21.6.166.64 | 352757312 | 0 |
| 21.6.166.65 | 352757313 | 0 |
| 21.6.166.66 | 352757314 | 0 |
| 21.6.166.67 | 352757315 | 0 |
| 21.6.166.68 | 352757316 | 0 |
| 21.6.166.69 | 352757317 | 0 |
| 21.6.166.70 | 352757318 | 0 |
| 21.6.166.71 | 352757319 | 0 |
| 21.6.166.72 | 352757320 | 0 |
| 21.6.166.73 | 352757321 | 0 |
| 21.6.166.74 | 352757322 | 0 |
| 21.6.166.75 | 352757323 | 0 |
| 21.6.166.76 | 352757324 | 0 |
| 21.6.166.77 | 352757325 | 0 |
| 21.6.166.78 | 352757326 | 0 |
| 21.6.166.79 | 352757327 | 0 |
| 21.6.166.80 | 352757328 | 0 |
| 21.6.166.81 | 352757329 | 0 |
| 21.6.166.82 | 352757330 | 0 |
| 21.6.166.83 | 352757331 | 0 |
| 21.6.166.84 | 352757332 | 0 |
| 21.6.166.85 | 352757333 | 0 |