La dirección IP 21.243.7 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 | 24/08/2018 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | ES | España | - | Madrid | 40,4165 | -3,7026 | 2018-08-24 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2018-08-24 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.243.7.0 | 368248576 | 0 |
| 21.243.7.1 | 368248577 | 0 |
| 21.243.7.2 | 368248578 | 0 |
| 21.243.7.3 | 368248579 | 0 |
| 21.243.7.4 | 368248580 | 0 |
| 21.243.7.5 | 368248581 | 0 |
| 21.243.7.6 | 368248582 | 0 |
| 21.243.7.7 | 368248583 | 0 |
| 21.243.7.8 | 368248584 | 0 |
| 21.243.7.9 | 368248585 | 0 |
| 21.243.7.10 | 368248586 | 0 |
| 21.243.7.11 | 368248587 | 0 |
| 21.243.7.12 | 368248588 | 0 |
| 21.243.7.13 | 368248589 | 0 |
| 21.243.7.14 | 368248590 | 0 |
| 21.243.7.15 | 368248591 | 0 |
| 21.243.7.16 | 368248592 | 0 |
| 21.243.7.17 | 368248593 | 0 |
| 21.243.7.18 | 368248594 | 0 |
| 21.243.7.19 | 368248595 | 0 |
| 21.243.7.20 | 368248596 | 0 |
| 21.243.7.21 | 368248597 | 0 |
| 21.243.7.22 | 368248598 | 0 |
| 21.243.7.23 | 368248599 | 0 |
| 21.243.7.24 | 368248600 | 0 |
| 21.243.7.25 | 368248601 | 0 |
| 21.243.7.26 | 368248602 | 0 |
| 21.243.7.27 | 368248603 | 0 |
| 21.243.7.28 | 368248604 | 0 |
| 21.243.7.29 | 368248605 | 0 |
| 21.243.7.30 | 368248606 | 0 |
| 21.243.7.31 | 368248607 | 0 |
| 21.243.7.32 | 368248608 | 0 |
| 21.243.7.33 | 368248609 | 0 |
| 21.243.7.34 | 368248610 | 0 |
| 21.243.7.35 | 368248611 | 0 |
| 21.243.7.36 | 368248612 | 0 |
| 21.243.7.37 | 368248613 | 0 |
| 21.243.7.38 | 368248614 | 0 |
| 21.243.7.39 | 368248615 | 0 |
| 21.243.7.40 | 368248616 | 0 |
| 21.243.7.41 | 368248617 | 0 |
| 21.243.7.42 | 368248618 | 0 |
| 21.243.7.43 | 368248619 | 0 |
| 21.243.7.44 | 368248620 | 0 |
| 21.243.7.45 | 368248621 | 0 |
| 21.243.7.46 | 368248622 | 0 |
| 21.243.7.47 | 368248623 | 0 |
| 21.243.7.48 | 368248624 | 0 |
| 21.243.7.49 | 368248625 | 0 |
| 21.243.7.50 | 368248626 | 0 |
| 21.243.7.51 | 368248627 | 0 |
| 21.243.7.52 | 368248628 | 0 |
| 21.243.7.53 | 368248629 | 0 |
| 21.243.7.54 | 368248630 | 0 |
| 21.243.7.55 | 368248631 | 0 |
| 21.243.7.56 | 368248632 | 0 |
| 21.243.7.57 | 368248633 | 0 |
| 21.243.7.58 | 368248634 | 0 |
| 21.243.7.59 | 368248635 | 0 |
| 21.243.7.60 | 368248636 | 0 |
| 21.243.7.61 | 368248637 | 0 |
| 21.243.7.62 | 368248638 | 0 |
| 21.243.7.63 | 368248639 | 0 |
| 21.243.7.64 | 368248640 | 0 |
| 21.243.7.65 | 368248641 | 0 |
| 21.243.7.66 | 368248642 | 0 |
| 21.243.7.67 | 368248643 | 0 |
| 21.243.7.68 | 368248644 | 0 |
| 21.243.7.69 | 368248645 | 0 |
| 21.243.7.70 | 368248646 | 0 |
| 21.243.7.71 | 368248647 | 0 |
| 21.243.7.72 | 368248648 | 0 |
| 21.243.7.73 | 368248649 | 0 |
| 21.243.7.74 | 368248650 | 0 |
| 21.243.7.75 | 368248651 | 0 |
| 21.243.7.76 | 368248652 | 0 |
| 21.243.7.77 | 368248653 | 0 |
| 21.243.7.78 | 368248654 | 0 |
| 21.243.7.79 | 368248655 | 0 |
| 21.243.7.80 | 368248656 | 0 |
| 21.243.7.81 | 368248657 | 0 |
| 21.243.7.82 | 368248658 | 0 |
| 21.243.7.83 | 368248659 | 0 |
| 21.243.7.84 | 368248660 | 0 |
| 21.243.7.85 | 368248661 | 0 |