The IP address 21.239.3 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 | 14/09/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | ES | Spain | - | Madrid | 40.4165 | -3.7026 | 2019-09-14 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2019-09-14 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.239.3.0 | 367985408 | 0 |
| 21.239.3.1 | 367985409 | 0 |
| 21.239.3.2 | 367985410 | 0 |
| 21.239.3.3 | 367985411 | 0 |
| 21.239.3.4 | 367985412 | 0 |
| 21.239.3.5 | 367985413 | 0 |
| 21.239.3.6 | 367985414 | 0 |
| 21.239.3.7 | 367985415 | 0 |
| 21.239.3.8 | 367985416 | 0 |
| 21.239.3.9 | 367985417 | 0 |
| 21.239.3.10 | 367985418 | 0 |
| 21.239.3.11 | 367985419 | 0 |
| 21.239.3.12 | 367985420 | 0 |
| 21.239.3.13 | 367985421 | 0 |
| 21.239.3.14 | 367985422 | 0 |
| 21.239.3.15 | 367985423 | 0 |
| 21.239.3.16 | 367985424 | 0 |
| 21.239.3.17 | 367985425 | 0 |
| 21.239.3.18 | 367985426 | 0 |
| 21.239.3.19 | 367985427 | 0 |
| 21.239.3.20 | 367985428 | 0 |
| 21.239.3.21 | 367985429 | 0 |
| 21.239.3.22 | 367985430 | 0 |
| 21.239.3.23 | 367985431 | 0 |
| 21.239.3.24 | 367985432 | 0 |
| 21.239.3.25 | 367985433 | 0 |
| 21.239.3.26 | 367985434 | 0 |
| 21.239.3.27 | 367985435 | 0 |
| 21.239.3.28 | 367985436 | 0 |
| 21.239.3.29 | 367985437 | 0 |
| 21.239.3.30 | 367985438 | 0 |
| 21.239.3.31 | 367985439 | 0 |
| 21.239.3.32 | 367985440 | 0 |
| 21.239.3.33 | 367985441 | 0 |
| 21.239.3.34 | 367985442 | 0 |
| 21.239.3.35 | 367985443 | 0 |
| 21.239.3.36 | 367985444 | 0 |
| 21.239.3.37 | 367985445 | 0 |
| 21.239.3.38 | 367985446 | 0 |
| 21.239.3.39 | 367985447 | 0 |
| 21.239.3.40 | 367985448 | 0 |
| 21.239.3.41 | 367985449 | 0 |
| 21.239.3.42 | 367985450 | 0 |
| 21.239.3.43 | 367985451 | 0 |
| 21.239.3.44 | 367985452 | 0 |
| 21.239.3.45 | 367985453 | 0 |
| 21.239.3.46 | 367985454 | 0 |
| 21.239.3.47 | 367985455 | 0 |
| 21.239.3.48 | 367985456 | 0 |
| 21.239.3.49 | 367985457 | 0 |
| 21.239.3.50 | 367985458 | 0 |
| 21.239.3.51 | 367985459 | 0 |
| 21.239.3.52 | 367985460 | 0 |
| 21.239.3.53 | 367985461 | 0 |
| 21.239.3.54 | 367985462 | 0 |
| 21.239.3.55 | 367985463 | 0 |
| 21.239.3.56 | 367985464 | 0 |
| 21.239.3.57 | 367985465 | 0 |
| 21.239.3.58 | 367985466 | 0 |
| 21.239.3.59 | 367985467 | 0 |
| 21.239.3.60 | 367985468 | 0 |
| 21.239.3.61 | 367985469 | 0 |
| 21.239.3.62 | 367985470 | 0 |
| 21.239.3.63 | 367985471 | 0 |
| 21.239.3.64 | 367985472 | 0 |
| 21.239.3.65 | 367985473 | 0 |
| 21.239.3.66 | 367985474 | 0 |
| 21.239.3.67 | 367985475 | 0 |
| 21.239.3.68 | 367985476 | 0 |
| 21.239.3.69 | 367985477 | 0 |
| 21.239.3.70 | 367985478 | 0 |
| 21.239.3.71 | 367985479 | 0 |
| 21.239.3.72 | 367985480 | 0 |
| 21.239.3.73 | 367985481 | 0 |
| 21.239.3.74 | 367985482 | 0 |
| 21.239.3.75 | 367985483 | 0 |
| 21.239.3.76 | 367985484 | 0 |
| 21.239.3.77 | 367985485 | 0 |
| 21.239.3.78 | 367985486 | 0 |
| 21.239.3.79 | 367985487 | 0 |
| 21.239.3.80 | 367985488 | 0 |
| 21.239.3.81 | 367985489 | 0 |
| 21.239.3.82 | 367985490 | 0 |
| 21.239.3.83 | 367985491 | 0 |
| 21.239.3.84 | 367985492 | 0 |
| 21.239.3.85 | 367985493 | 0 |