La dirección IP 21.231.9 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 | 13/01/2019 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | ES | España | - | Madrid | 40,4165 | -3,7026 | 2019-01-13 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2019-01-13 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.231.9.0 | 367462656 | 0 |
| 21.231.9.1 | 367462657 | 0 |
| 21.231.9.2 | 367462658 | 0 |
| 21.231.9.3 | 367462659 | 0 |
| 21.231.9.4 | 367462660 | 0 |
| 21.231.9.5 | 367462661 | 0 |
| 21.231.9.6 | 367462662 | 0 |
| 21.231.9.7 | 367462663 | 0 |
| 21.231.9.8 | 367462664 | 0 |
| 21.231.9.9 | 367462665 | 0 |
| 21.231.9.10 | 367462666 | 0 |
| 21.231.9.11 | 367462667 | 0 |
| 21.231.9.12 | 367462668 | 0 |
| 21.231.9.13 | 367462669 | 0 |
| 21.231.9.14 | 367462670 | 0 |
| 21.231.9.15 | 367462671 | 0 |
| 21.231.9.16 | 367462672 | 0 |
| 21.231.9.17 | 367462673 | 0 |
| 21.231.9.18 | 367462674 | 0 |
| 21.231.9.19 | 367462675 | 0 |
| 21.231.9.20 | 367462676 | 0 |
| 21.231.9.21 | 367462677 | 0 |
| 21.231.9.22 | 367462678 | 0 |
| 21.231.9.23 | 367462679 | 0 |
| 21.231.9.24 | 367462680 | 0 |
| 21.231.9.25 | 367462681 | 0 |
| 21.231.9.26 | 367462682 | 0 |
| 21.231.9.27 | 367462683 | 0 |
| 21.231.9.28 | 367462684 | 0 |
| 21.231.9.29 | 367462685 | 0 |
| 21.231.9.30 | 367462686 | 0 |
| 21.231.9.31 | 367462687 | 0 |
| 21.231.9.32 | 367462688 | 0 |
| 21.231.9.33 | 367462689 | 0 |
| 21.231.9.34 | 367462690 | 0 |
| 21.231.9.35 | 367462691 | 0 |
| 21.231.9.36 | 367462692 | 0 |
| 21.231.9.37 | 367462693 | 0 |
| 21.231.9.38 | 367462694 | 0 |
| 21.231.9.39 | 367462695 | 0 |
| 21.231.9.40 | 367462696 | 0 |
| 21.231.9.41 | 367462697 | 0 |
| 21.231.9.42 | 367462698 | 0 |
| 21.231.9.43 | 367462699 | 0 |
| 21.231.9.44 | 367462700 | 0 |
| 21.231.9.45 | 367462701 | 0 |
| 21.231.9.46 | 367462702 | 0 |
| 21.231.9.47 | 367462703 | 0 |
| 21.231.9.48 | 367462704 | 0 |
| 21.231.9.49 | 367462705 | 0 |
| 21.231.9.50 | 367462706 | 0 |
| 21.231.9.51 | 367462707 | 0 |
| 21.231.9.52 | 367462708 | 0 |
| 21.231.9.53 | 367462709 | 0 |
| 21.231.9.54 | 367462710 | 0 |
| 21.231.9.55 | 367462711 | 0 |
| 21.231.9.56 | 367462712 | 0 |
| 21.231.9.57 | 367462713 | 0 |
| 21.231.9.58 | 367462714 | 0 |
| 21.231.9.59 | 367462715 | 0 |
| 21.231.9.60 | 367462716 | 0 |
| 21.231.9.61 | 367462717 | 0 |
| 21.231.9.62 | 367462718 | 0 |
| 21.231.9.63 | 367462719 | 0 |
| 21.231.9.64 | 367462720 | 0 |
| 21.231.9.65 | 367462721 | 0 |
| 21.231.9.66 | 367462722 | 0 |
| 21.231.9.67 | 367462723 | 0 |
| 21.231.9.68 | 367462724 | 0 |
| 21.231.9.69 | 367462725 | 0 |
| 21.231.9.70 | 367462726 | 0 |
| 21.231.9.71 | 367462727 | 0 |
| 21.231.9.72 | 367462728 | 0 |
| 21.231.9.73 | 367462729 | 0 |
| 21.231.9.74 | 367462730 | 0 |
| 21.231.9.75 | 367462731 | 0 |
| 21.231.9.76 | 367462732 | 0 |
| 21.231.9.77 | 367462733 | 0 |
| 21.231.9.78 | 367462734 | 0 |
| 21.231.9.79 | 367462735 | 0 |
| 21.231.9.80 | 367462736 | 0 |
| 21.231.9.81 | 367462737 | 0 |
| 21.231.9.82 | 367462738 | 0 |
| 21.231.9.83 | 367462739 | 0 |
| 21.231.9.84 | 367462740 | 0 |
| 21.231.9.85 | 367462741 | 0 |