La dirección IP 21.99.43 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 | 05/12/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2017-12-05 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-12-05 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.99.43.0 | 358820608 | 0 |
| 21.99.43.1 | 358820609 | 0 |
| 21.99.43.2 | 358820610 | 0 |
| 21.99.43.3 | 358820611 | 0 |
| 21.99.43.4 | 358820612 | 0 |
| 21.99.43.5 | 358820613 | 0 |
| 21.99.43.6 | 358820614 | 0 |
| 21.99.43.7 | 358820615 | 0 |
| 21.99.43.8 | 358820616 | 0 |
| 21.99.43.9 | 358820617 | 0 |
| 21.99.43.10 | 358820618 | 0 |
| 21.99.43.11 | 358820619 | 0 |
| 21.99.43.12 | 358820620 | 0 |
| 21.99.43.13 | 358820621 | 0 |
| 21.99.43.14 | 358820622 | 0 |
| 21.99.43.15 | 358820623 | 0 |
| 21.99.43.16 | 358820624 | 0 |
| 21.99.43.17 | 358820625 | 0 |
| 21.99.43.18 | 358820626 | 0 |
| 21.99.43.19 | 358820627 | 0 |
| 21.99.43.20 | 358820628 | 0 |
| 21.99.43.21 | 358820629 | 0 |
| 21.99.43.22 | 358820630 | 0 |
| 21.99.43.23 | 358820631 | 0 |
| 21.99.43.24 | 358820632 | 0 |
| 21.99.43.25 | 358820633 | 0 |
| 21.99.43.26 | 358820634 | 0 |
| 21.99.43.27 | 358820635 | 0 |
| 21.99.43.28 | 358820636 | 0 |
| 21.99.43.29 | 358820637 | 0 |
| 21.99.43.30 | 358820638 | 0 |
| 21.99.43.31 | 358820639 | 0 |
| 21.99.43.32 | 358820640 | 0 |
| 21.99.43.33 | 358820641 | 0 |
| 21.99.43.34 | 358820642 | 0 |
| 21.99.43.35 | 358820643 | 0 |
| 21.99.43.36 | 358820644 | 0 |
| 21.99.43.37 | 358820645 | 0 |
| 21.99.43.38 | 358820646 | 0 |
| 21.99.43.39 | 358820647 | 0 |
| 21.99.43.40 | 358820648 | 0 |
| 21.99.43.41 | 358820649 | 0 |
| 21.99.43.42 | 358820650 | 0 |
| 21.99.43.43 | 358820651 | 0 |
| 21.99.43.44 | 358820652 | 0 |
| 21.99.43.45 | 358820653 | 0 |
| 21.99.43.46 | 358820654 | 0 |
| 21.99.43.47 | 358820655 | 0 |
| 21.99.43.48 | 358820656 | 0 |
| 21.99.43.49 | 358820657 | 0 |
| 21.99.43.50 | 358820658 | 0 |
| 21.99.43.51 | 358820659 | 0 |
| 21.99.43.52 | 358820660 | 0 |
| 21.99.43.53 | 358820661 | 0 |
| 21.99.43.54 | 358820662 | 0 |
| 21.99.43.55 | 358820663 | 0 |
| 21.99.43.56 | 358820664 | 0 |
| 21.99.43.57 | 358820665 | 0 |
| 21.99.43.58 | 358820666 | 0 |
| 21.99.43.59 | 358820667 | 0 |
| 21.99.43.60 | 358820668 | 0 |
| 21.99.43.61 | 358820669 | 0 |
| 21.99.43.62 | 358820670 | 0 |
| 21.99.43.63 | 358820671 | 0 |
| 21.99.43.64 | 358820672 | 0 |
| 21.99.43.65 | 358820673 | 0 |
| 21.99.43.66 | 358820674 | 0 |
| 21.99.43.67 | 358820675 | 0 |
| 21.99.43.68 | 358820676 | 0 |
| 21.99.43.69 | 358820677 | 0 |
| 21.99.43.70 | 358820678 | 0 |
| 21.99.43.71 | 358820679 | 0 |
| 21.99.43.72 | 358820680 | 0 |
| 21.99.43.73 | 358820681 | 0 |
| 21.99.43.74 | 358820682 | 0 |
| 21.99.43.75 | 358820683 | 0 |
| 21.99.43.76 | 358820684 | 0 |
| 21.99.43.77 | 358820685 | 0 |
| 21.99.43.78 | 358820686 | 0 |
| 21.99.43.79 | 358820687 | 0 |
| 21.99.43.80 | 358820688 | 0 |
| 21.99.43.81 | 358820689 | 0 |
| 21.99.43.82 | 358820690 | 0 |
| 21.99.43.83 | 358820691 | 0 |
| 21.99.43.84 | 358820692 | 0 |
| 21.99.43.85 | 358820693 | 0 |