The IP address 21.78.74 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 | 19/02/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2018-02-19 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2018-02-19 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.78.74.0 | 357452288 | 0 |
| 21.78.74.1 | 357452289 | 0 |
| 21.78.74.2 | 357452290 | 0 |
| 21.78.74.3 | 357452291 | 0 |
| 21.78.74.4 | 357452292 | 0 |
| 21.78.74.5 | 357452293 | 0 |
| 21.78.74.6 | 357452294 | 0 |
| 21.78.74.7 | 357452295 | 0 |
| 21.78.74.8 | 357452296 | 0 |
| 21.78.74.9 | 357452297 | 0 |
| 21.78.74.10 | 357452298 | 0 |
| 21.78.74.11 | 357452299 | 0 |
| 21.78.74.12 | 357452300 | 0 |
| 21.78.74.13 | 357452301 | 0 |
| 21.78.74.14 | 357452302 | 0 |
| 21.78.74.15 | 357452303 | 0 |
| 21.78.74.16 | 357452304 | 0 |
| 21.78.74.17 | 357452305 | 0 |
| 21.78.74.18 | 357452306 | 0 |
| 21.78.74.19 | 357452307 | 0 |
| 21.78.74.20 | 357452308 | 0 |
| 21.78.74.21 | 357452309 | 0 |
| 21.78.74.22 | 357452310 | 0 |
| 21.78.74.23 | 357452311 | 0 |
| 21.78.74.24 | 357452312 | 0 |
| 21.78.74.25 | 357452313 | 0 |
| 21.78.74.26 | 357452314 | 0 |
| 21.78.74.27 | 357452315 | 0 |
| 21.78.74.28 | 357452316 | 0 |
| 21.78.74.29 | 357452317 | 0 |
| 21.78.74.30 | 357452318 | 0 |
| 21.78.74.31 | 357452319 | 0 |
| 21.78.74.32 | 357452320 | 0 |
| 21.78.74.33 | 357452321 | 0 |
| 21.78.74.34 | 357452322 | 0 |
| 21.78.74.35 | 357452323 | 0 |
| 21.78.74.36 | 357452324 | 0 |
| 21.78.74.37 | 357452325 | 0 |
| 21.78.74.38 | 357452326 | 0 |
| 21.78.74.39 | 357452327 | 0 |
| 21.78.74.40 | 357452328 | 0 |
| 21.78.74.41 | 357452329 | 0 |
| 21.78.74.42 | 357452330 | 0 |
| 21.78.74.43 | 357452331 | 0 |
| 21.78.74.44 | 357452332 | 0 |
| 21.78.74.45 | 357452333 | 0 |
| 21.78.74.46 | 357452334 | 0 |
| 21.78.74.47 | 357452335 | 0 |
| 21.78.74.48 | 357452336 | 0 |
| 21.78.74.49 | 357452337 | 0 |
| 21.78.74.50 | 357452338 | 0 |
| 21.78.74.51 | 357452339 | 0 |
| 21.78.74.52 | 357452340 | 0 |
| 21.78.74.53 | 357452341 | 0 |
| 21.78.74.54 | 357452342 | 0 |
| 21.78.74.55 | 357452343 | 0 |
| 21.78.74.56 | 357452344 | 0 |
| 21.78.74.57 | 357452345 | 0 |
| 21.78.74.58 | 357452346 | 0 |
| 21.78.74.59 | 357452347 | 0 |
| 21.78.74.60 | 357452348 | 0 |
| 21.78.74.61 | 357452349 | 0 |
| 21.78.74.62 | 357452350 | 0 |
| 21.78.74.63 | 357452351 | 0 |
| 21.78.74.64 | 357452352 | 0 |
| 21.78.74.65 | 357452353 | 0 |
| 21.78.74.66 | 357452354 | 0 |
| 21.78.74.67 | 357452355 | 0 |
| 21.78.74.68 | 357452356 | 0 |
| 21.78.74.69 | 357452357 | 0 |
| 21.78.74.70 | 357452358 | 0 |
| 21.78.74.71 | 357452359 | 0 |
| 21.78.74.72 | 357452360 | 0 |
| 21.78.74.73 | 357452361 | 0 |
| 21.78.74.74 | 357452362 | 0 |
| 21.78.74.75 | 357452363 | 0 |
| 21.78.74.76 | 357452364 | 0 |
| 21.78.74.77 | 357452365 | 0 |
| 21.78.74.78 | 357452366 | 0 |
| 21.78.74.79 | 357452367 | 0 |
| 21.78.74.80 | 357452368 | 0 |
| 21.78.74.81 | 357452369 | 0 |
| 21.78.74.82 | 357452370 | 0 |
| 21.78.74.83 | 357452371 | 0 |
| 21.78.74.84 | 357452372 | 0 |
| 21.78.74.85 | 357452373 | 0 |