La dirección IP 21.217.3 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 | 11/11/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2017-11-11 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-11-11 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.217.3.0 | 366543616 | 0 |
| 21.217.3.1 | 366543617 | 0 |
| 21.217.3.2 | 366543618 | 0 |
| 21.217.3.3 | 366543619 | 0 |
| 21.217.3.4 | 366543620 | 0 |
| 21.217.3.5 | 366543621 | 0 |
| 21.217.3.6 | 366543622 | 0 |
| 21.217.3.7 | 366543623 | 0 |
| 21.217.3.8 | 366543624 | 0 |
| 21.217.3.9 | 366543625 | 0 |
| 21.217.3.10 | 366543626 | 0 |
| 21.217.3.11 | 366543627 | 0 |
| 21.217.3.12 | 366543628 | 0 |
| 21.217.3.13 | 366543629 | 0 |
| 21.217.3.14 | 366543630 | 0 |
| 21.217.3.15 | 366543631 | 0 |
| 21.217.3.16 | 366543632 | 0 |
| 21.217.3.17 | 366543633 | 0 |
| 21.217.3.18 | 366543634 | 0 |
| 21.217.3.19 | 366543635 | 0 |
| 21.217.3.20 | 366543636 | 0 |
| 21.217.3.21 | 366543637 | 0 |
| 21.217.3.22 | 366543638 | 0 |
| 21.217.3.23 | 366543639 | 0 |
| 21.217.3.24 | 366543640 | 0 |
| 21.217.3.25 | 366543641 | 0 |
| 21.217.3.26 | 366543642 | 0 |
| 21.217.3.27 | 366543643 | 0 |
| 21.217.3.28 | 366543644 | 0 |
| 21.217.3.29 | 366543645 | 0 |
| 21.217.3.30 | 366543646 | 0 |
| 21.217.3.31 | 366543647 | 0 |
| 21.217.3.32 | 366543648 | 0 |
| 21.217.3.33 | 366543649 | 0 |
| 21.217.3.34 | 366543650 | 0 |
| 21.217.3.35 | 366543651 | 0 |
| 21.217.3.36 | 366543652 | 0 |
| 21.217.3.37 | 366543653 | 0 |
| 21.217.3.38 | 366543654 | 0 |
| 21.217.3.39 | 366543655 | 0 |
| 21.217.3.40 | 366543656 | 0 |
| 21.217.3.41 | 366543657 | 0 |
| 21.217.3.42 | 366543658 | 0 |
| 21.217.3.43 | 366543659 | 0 |
| 21.217.3.44 | 366543660 | 0 |
| 21.217.3.45 | 366543661 | 0 |
| 21.217.3.46 | 366543662 | 0 |
| 21.217.3.47 | 366543663 | 0 |
| 21.217.3.48 | 366543664 | 0 |
| 21.217.3.49 | 366543665 | 0 |
| 21.217.3.50 | 366543666 | 0 |
| 21.217.3.51 | 366543667 | 0 |
| 21.217.3.52 | 366543668 | 0 |
| 21.217.3.53 | 366543669 | 0 |
| 21.217.3.54 | 366543670 | 0 |
| 21.217.3.55 | 366543671 | 0 |
| 21.217.3.56 | 366543672 | 0 |
| 21.217.3.57 | 366543673 | 0 |
| 21.217.3.58 | 366543674 | 0 |
| 21.217.3.59 | 366543675 | 0 |
| 21.217.3.60 | 366543676 | 0 |
| 21.217.3.61 | 366543677 | 0 |
| 21.217.3.62 | 366543678 | 0 |
| 21.217.3.63 | 366543679 | 0 |
| 21.217.3.64 | 366543680 | 0 |
| 21.217.3.65 | 366543681 | 0 |
| 21.217.3.66 | 366543682 | 0 |
| 21.217.3.67 | 366543683 | 0 |
| 21.217.3.68 | 366543684 | 0 |
| 21.217.3.69 | 366543685 | 0 |
| 21.217.3.70 | 366543686 | 0 |
| 21.217.3.71 | 366543687 | 0 |
| 21.217.3.72 | 366543688 | 0 |
| 21.217.3.73 | 366543689 | 0 |
| 21.217.3.74 | 366543690 | 0 |
| 21.217.3.75 | 366543691 | 0 |
| 21.217.3.76 | 366543692 | 0 |
| 21.217.3.77 | 366543693 | 0 |
| 21.217.3.78 | 366543694 | 0 |
| 21.217.3.79 | 366543695 | 0 |
| 21.217.3.80 | 366543696 | 0 |
| 21.217.3.81 | 366543697 | 0 |
| 21.217.3.82 | 366543698 | 0 |
| 21.217.3.83 | 366543699 | 0 |
| 21.217.3.84 | 366543700 | 0 |
| 21.217.3.85 | 366543701 | 0 |