The IP address 21.78.43 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 | 20/10/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2017-10-20 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2017-10-20 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.78.43.0 | 357444352 | 0 |
| 21.78.43.1 | 357444353 | 0 |
| 21.78.43.2 | 357444354 | 0 |
| 21.78.43.3 | 357444355 | 0 |
| 21.78.43.4 | 357444356 | 0 |
| 21.78.43.5 | 357444357 | 0 |
| 21.78.43.6 | 357444358 | 0 |
| 21.78.43.7 | 357444359 | 0 |
| 21.78.43.8 | 357444360 | 0 |
| 21.78.43.9 | 357444361 | 0 |
| 21.78.43.10 | 357444362 | 0 |
| 21.78.43.11 | 357444363 | 0 |
| 21.78.43.12 | 357444364 | 0 |
| 21.78.43.13 | 357444365 | 0 |
| 21.78.43.14 | 357444366 | 0 |
| 21.78.43.15 | 357444367 | 0 |
| 21.78.43.16 | 357444368 | 0 |
| 21.78.43.17 | 357444369 | 0 |
| 21.78.43.18 | 357444370 | 0 |
| 21.78.43.19 | 357444371 | 0 |
| 21.78.43.20 | 357444372 | 0 |
| 21.78.43.21 | 357444373 | 0 |
| 21.78.43.22 | 357444374 | 0 |
| 21.78.43.23 | 357444375 | 0 |
| 21.78.43.24 | 357444376 | 0 |
| 21.78.43.25 | 357444377 | 0 |
| 21.78.43.26 | 357444378 | 0 |
| 21.78.43.27 | 357444379 | 0 |
| 21.78.43.28 | 357444380 | 0 |
| 21.78.43.29 | 357444381 | 0 |
| 21.78.43.30 | 357444382 | 0 |
| 21.78.43.31 | 357444383 | 0 |
| 21.78.43.32 | 357444384 | 0 |
| 21.78.43.33 | 357444385 | 0 |
| 21.78.43.34 | 357444386 | 0 |
| 21.78.43.35 | 357444387 | 0 |
| 21.78.43.36 | 357444388 | 0 |
| 21.78.43.37 | 357444389 | 0 |
| 21.78.43.38 | 357444390 | 0 |
| 21.78.43.39 | 357444391 | 0 |
| 21.78.43.40 | 357444392 | 0 |
| 21.78.43.41 | 357444393 | 0 |
| 21.78.43.42 | 357444394 | 0 |
| 21.78.43.43 | 357444395 | 0 |
| 21.78.43.44 | 357444396 | 0 |
| 21.78.43.45 | 357444397 | 0 |
| 21.78.43.46 | 357444398 | 0 |
| 21.78.43.47 | 357444399 | 0 |
| 21.78.43.48 | 357444400 | 0 |
| 21.78.43.49 | 357444401 | 0 |
| 21.78.43.50 | 357444402 | 0 |
| 21.78.43.51 | 357444403 | 0 |
| 21.78.43.52 | 357444404 | 0 |
| 21.78.43.53 | 357444405 | 0 |
| 21.78.43.54 | 357444406 | 0 |
| 21.78.43.55 | 357444407 | 0 |
| 21.78.43.56 | 357444408 | 0 |
| 21.78.43.57 | 357444409 | 0 |
| 21.78.43.58 | 357444410 | 0 |
| 21.78.43.59 | 357444411 | 0 |
| 21.78.43.60 | 357444412 | 0 |
| 21.78.43.61 | 357444413 | 0 |
| 21.78.43.62 | 357444414 | 0 |
| 21.78.43.63 | 357444415 | 0 |
| 21.78.43.64 | 357444416 | 0 |
| 21.78.43.65 | 357444417 | 0 |
| 21.78.43.66 | 357444418 | 0 |
| 21.78.43.67 | 357444419 | 0 |
| 21.78.43.68 | 357444420 | 0 |
| 21.78.43.69 | 357444421 | 0 |
| 21.78.43.70 | 357444422 | 0 |
| 21.78.43.71 | 357444423 | 0 |
| 21.78.43.72 | 357444424 | 0 |
| 21.78.43.73 | 357444425 | 0 |
| 21.78.43.74 | 357444426 | 0 |
| 21.78.43.75 | 357444427 | 0 |
| 21.78.43.76 | 357444428 | 0 |
| 21.78.43.77 | 357444429 | 0 |
| 21.78.43.78 | 357444430 | 0 |
| 21.78.43.79 | 357444431 | 0 |
| 21.78.43.80 | 357444432 | 0 |
| 21.78.43.81 | 357444433 | 0 |
| 21.78.43.82 | 357444434 | 0 |
| 21.78.43.83 | 357444435 | 0 |
| 21.78.43.84 | 357444436 | 0 |
| 21.78.43.85 | 357444437 | 0 |