The IP address 21.83.40 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 | 27/10/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2017-10-27 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2017-10-27 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.83.40.0 | 357771264 | 0 |
| 21.83.40.1 | 357771265 | 0 |
| 21.83.40.2 | 357771266 | 0 |
| 21.83.40.3 | 357771267 | 0 |
| 21.83.40.4 | 357771268 | 0 |
| 21.83.40.5 | 357771269 | 0 |
| 21.83.40.6 | 357771270 | 0 |
| 21.83.40.7 | 357771271 | 0 |
| 21.83.40.8 | 357771272 | 0 |
| 21.83.40.9 | 357771273 | 0 |
| 21.83.40.10 | 357771274 | 0 |
| 21.83.40.11 | 357771275 | 0 |
| 21.83.40.12 | 357771276 | 0 |
| 21.83.40.13 | 357771277 | 0 |
| 21.83.40.14 | 357771278 | 0 |
| 21.83.40.15 | 357771279 | 0 |
| 21.83.40.16 | 357771280 | 0 |
| 21.83.40.17 | 357771281 | 0 |
| 21.83.40.18 | 357771282 | 0 |
| 21.83.40.19 | 357771283 | 0 |
| 21.83.40.20 | 357771284 | 0 |
| 21.83.40.21 | 357771285 | 0 |
| 21.83.40.22 | 357771286 | 0 |
| 21.83.40.23 | 357771287 | 0 |
| 21.83.40.24 | 357771288 | 0 |
| 21.83.40.25 | 357771289 | 0 |
| 21.83.40.26 | 357771290 | 0 |
| 21.83.40.27 | 357771291 | 0 |
| 21.83.40.28 | 357771292 | 0 |
| 21.83.40.29 | 357771293 | 0 |
| 21.83.40.30 | 357771294 | 0 |
| 21.83.40.31 | 357771295 | 0 |
| 21.83.40.32 | 357771296 | 0 |
| 21.83.40.33 | 357771297 | 0 |
| 21.83.40.34 | 357771298 | 0 |
| 21.83.40.35 | 357771299 | 0 |
| 21.83.40.36 | 357771300 | 0 |
| 21.83.40.37 | 357771301 | 0 |
| 21.83.40.38 | 357771302 | 0 |
| 21.83.40.39 | 357771303 | 0 |
| 21.83.40.40 | 357771304 | 0 |
| 21.83.40.41 | 357771305 | 0 |
| 21.83.40.42 | 357771306 | 0 |
| 21.83.40.43 | 357771307 | 0 |
| 21.83.40.44 | 357771308 | 0 |
| 21.83.40.45 | 357771309 | 0 |
| 21.83.40.46 | 357771310 | 0 |
| 21.83.40.47 | 357771311 | 0 |
| 21.83.40.48 | 357771312 | 0 |
| 21.83.40.49 | 357771313 | 0 |
| 21.83.40.50 | 357771314 | 0 |
| 21.83.40.51 | 357771315 | 0 |
| 21.83.40.52 | 357771316 | 0 |
| 21.83.40.53 | 357771317 | 0 |
| 21.83.40.54 | 357771318 | 0 |
| 21.83.40.55 | 357771319 | 0 |
| 21.83.40.56 | 357771320 | 0 |
| 21.83.40.57 | 357771321 | 0 |
| 21.83.40.58 | 357771322 | 0 |
| 21.83.40.59 | 357771323 | 0 |
| 21.83.40.60 | 357771324 | 0 |
| 21.83.40.61 | 357771325 | 0 |
| 21.83.40.62 | 357771326 | 0 |
| 21.83.40.63 | 357771327 | 0 |
| 21.83.40.64 | 357771328 | 0 |
| 21.83.40.65 | 357771329 | 0 |
| 21.83.40.66 | 357771330 | 0 |
| 21.83.40.67 | 357771331 | 0 |
| 21.83.40.68 | 357771332 | 0 |
| 21.83.40.69 | 357771333 | 0 |
| 21.83.40.70 | 357771334 | 0 |
| 21.83.40.71 | 357771335 | 0 |
| 21.83.40.72 | 357771336 | 0 |
| 21.83.40.73 | 357771337 | 0 |
| 21.83.40.74 | 357771338 | 0 |
| 21.83.40.75 | 357771339 | 0 |
| 21.83.40.76 | 357771340 | 0 |
| 21.83.40.77 | 357771341 | 0 |
| 21.83.40.78 | 357771342 | 0 |
| 21.83.40.79 | 357771343 | 0 |
| 21.83.40.80 | 357771344 | 0 |
| 21.83.40.81 | 357771345 | 0 |
| 21.83.40.82 | 357771346 | 0 |
| 21.83.40.83 | 357771347 | 0 |
| 21.83.40.84 | 357771348 | 0 |
| 21.83.40.85 | 357771349 | 0 |