La dirección IP 21.233.4 es proporcionada por China Education and Research Network Center, que es propiedad de la CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, IP entre 22.30.204.0 a 22.30.205.255 ). El número de sistema autónomo (ASN) es 4538.
| ASN | 4538 |
| IP que comienzan con | 22.30.204.0 |
| IP que termina con | 22.30.205.255 |
| ASN Nombre | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numérica | |
| Registe | |
| Última actualización | 17/12/2018 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | ES | España | - | Madrid | 40,4165 | -3,7026 | 2018-12-17 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2018-12-17 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.233.4.0 | 367592448 | 0 |
| 21.233.4.1 | 367592449 | 0 |
| 21.233.4.2 | 367592450 | 0 |
| 21.233.4.3 | 367592451 | 0 |
| 21.233.4.4 | 367592452 | 0 |
| 21.233.4.5 | 367592453 | 0 |
| 21.233.4.6 | 367592454 | 0 |
| 21.233.4.7 | 367592455 | 0 |
| 21.233.4.8 | 367592456 | 0 |
| 21.233.4.9 | 367592457 | 0 |
| 21.233.4.10 | 367592458 | 0 |
| 21.233.4.11 | 367592459 | 0 |
| 21.233.4.12 | 367592460 | 0 |
| 21.233.4.13 | 367592461 | 0 |
| 21.233.4.14 | 367592462 | 0 |
| 21.233.4.15 | 367592463 | 0 |
| 21.233.4.16 | 367592464 | 0 |
| 21.233.4.17 | 367592465 | 0 |
| 21.233.4.18 | 367592466 | 0 |
| 21.233.4.19 | 367592467 | 0 |
| 21.233.4.20 | 367592468 | 0 |
| 21.233.4.21 | 367592469 | 0 |
| 21.233.4.22 | 367592470 | 0 |
| 21.233.4.23 | 367592471 | 0 |
| 21.233.4.24 | 367592472 | 0 |
| 21.233.4.25 | 367592473 | 0 |
| 21.233.4.26 | 367592474 | 0 |
| 21.233.4.27 | 367592475 | 0 |
| 21.233.4.28 | 367592476 | 0 |
| 21.233.4.29 | 367592477 | 0 |
| 21.233.4.30 | 367592478 | 0 |
| 21.233.4.31 | 367592479 | 0 |
| 21.233.4.32 | 367592480 | 0 |
| 21.233.4.33 | 367592481 | 0 |
| 21.233.4.34 | 367592482 | 0 |
| 21.233.4.35 | 367592483 | 0 |
| 21.233.4.36 | 367592484 | 0 |
| 21.233.4.37 | 367592485 | 0 |
| 21.233.4.38 | 367592486 | 0 |
| 21.233.4.39 | 367592487 | 0 |
| 21.233.4.40 | 367592488 | 0 |
| 21.233.4.41 | 367592489 | 0 |
| 21.233.4.42 | 367592490 | 0 |
| 21.233.4.43 | 367592491 | 0 |
| 21.233.4.44 | 367592492 | 0 |
| 21.233.4.45 | 367592493 | 0 |
| 21.233.4.46 | 367592494 | 0 |
| 21.233.4.47 | 367592495 | 0 |
| 21.233.4.48 | 367592496 | 0 |
| 21.233.4.49 | 367592497 | 0 |
| 21.233.4.50 | 367592498 | 0 |
| 21.233.4.51 | 367592499 | 0 |
| 21.233.4.52 | 367592500 | 0 |
| 21.233.4.53 | 367592501 | 0 |
| 21.233.4.54 | 367592502 | 0 |
| 21.233.4.55 | 367592503 | 0 |
| 21.233.4.56 | 367592504 | 0 |
| 21.233.4.57 | 367592505 | 0 |
| 21.233.4.58 | 367592506 | 0 |
| 21.233.4.59 | 367592507 | 0 |
| 21.233.4.60 | 367592508 | 0 |
| 21.233.4.61 | 367592509 | 0 |
| 21.233.4.62 | 367592510 | 0 |
| 21.233.4.63 | 367592511 | 0 |
| 21.233.4.64 | 367592512 | 0 |
| 21.233.4.65 | 367592513 | 0 |
| 21.233.4.66 | 367592514 | 0 |
| 21.233.4.67 | 367592515 | 0 |
| 21.233.4.68 | 367592516 | 0 |
| 21.233.4.69 | 367592517 | 0 |
| 21.233.4.70 | 367592518 | 0 |
| 21.233.4.71 | 367592519 | 0 |
| 21.233.4.72 | 367592520 | 0 |
| 21.233.4.73 | 367592521 | 0 |
| 21.233.4.74 | 367592522 | 0 |
| 21.233.4.75 | 367592523 | 0 |
| 21.233.4.76 | 367592524 | 0 |
| 21.233.4.77 | 367592525 | 0 |
| 21.233.4.78 | 367592526 | 0 |
| 21.233.4.79 | 367592527 | 0 |
| 21.233.4.80 | 367592528 | 0 |
| 21.233.4.81 | 367592529 | 0 |
| 21.233.4.82 | 367592530 | 0 |
| 21.233.4.83 | 367592531 | 0 |
| 21.233.4.84 | 367592532 | 0 |
| 21.233.4.85 | 367592533 | 0 |