L'indirizzo IP 21.97.63 è fornito da China Education and Research Network Center, che è di proprietà del CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, IP tra 22.30.204.0 a 22.30.205.255 ). Il numero di sistema autonomo (ASN) è 4538.
| ASN | 4538 |
| IP inizia con | 22.30.204.0 |
| IP finale con | 22.30.205.255 |
| ASN Nome | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numerico | |
| Registe | |
| Ultimo aggiornamento | 03/05/2019 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Houston | 29,7633 | -95,3633 | 2019-05-02 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2019-05-02 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.97.63.0 | 358694656 | 0 |
| 21.97.63.1 | 358694657 | 0 |
| 21.97.63.2 | 358694658 | 0 |
| 21.97.63.3 | 358694659 | 0 |
| 21.97.63.4 | 358694660 | 0 |
| 21.97.63.5 | 358694661 | 0 |
| 21.97.63.6 | 358694662 | 0 |
| 21.97.63.7 | 358694663 | 0 |
| 21.97.63.8 | 358694664 | 0 |
| 21.97.63.9 | 358694665 | 0 |
| 21.97.63.10 | 358694666 | 0 |
| 21.97.63.11 | 358694667 | 0 |
| 21.97.63.12 | 358694668 | 0 |
| 21.97.63.13 | 358694669 | 0 |
| 21.97.63.14 | 358694670 | 0 |
| 21.97.63.15 | 358694671 | 0 |
| 21.97.63.16 | 358694672 | 0 |
| 21.97.63.17 | 358694673 | 0 |
| 21.97.63.18 | 358694674 | 0 |
| 21.97.63.19 | 358694675 | 0 |
| 21.97.63.20 | 358694676 | 0 |
| 21.97.63.21 | 358694677 | 0 |
| 21.97.63.22 | 358694678 | 0 |
| 21.97.63.23 | 358694679 | 0 |
| 21.97.63.24 | 358694680 | 0 |
| 21.97.63.25 | 358694681 | 0 |
| 21.97.63.26 | 358694682 | 0 |
| 21.97.63.27 | 358694683 | 0 |
| 21.97.63.28 | 358694684 | 0 |
| 21.97.63.29 | 358694685 | 0 |
| 21.97.63.30 | 358694686 | 0 |
| 21.97.63.31 | 358694687 | 0 |
| 21.97.63.32 | 358694688 | 0 |
| 21.97.63.33 | 358694689 | 0 |
| 21.97.63.34 | 358694690 | 0 |
| 21.97.63.35 | 358694691 | 0 |
| 21.97.63.36 | 358694692 | 0 |
| 21.97.63.37 | 358694693 | 0 |
| 21.97.63.38 | 358694694 | 0 |
| 21.97.63.39 | 358694695 | 0 |
| 21.97.63.40 | 358694696 | 0 |
| 21.97.63.41 | 358694697 | 0 |
| 21.97.63.42 | 358694698 | 0 |
| 21.97.63.43 | 358694699 | 0 |
| 21.97.63.44 | 358694700 | 0 |
| 21.97.63.45 | 358694701 | 0 |
| 21.97.63.46 | 358694702 | 0 |
| 21.97.63.47 | 358694703 | 0 |
| 21.97.63.48 | 358694704 | 0 |
| 21.97.63.49 | 358694705 | 0 |
| 21.97.63.50 | 358694706 | 0 |
| 21.97.63.51 | 358694707 | 0 |
| 21.97.63.52 | 358694708 | 0 |
| 21.97.63.53 | 358694709 | 0 |
| 21.97.63.54 | 358694710 | 0 |
| 21.97.63.55 | 358694711 | 0 |
| 21.97.63.56 | 358694712 | 0 |
| 21.97.63.57 | 358694713 | 0 |
| 21.97.63.58 | 358694714 | 0 |
| 21.97.63.59 | 358694715 | 0 |
| 21.97.63.60 | 358694716 | 0 |
| 21.97.63.61 | 358694717 | 0 |
| 21.97.63.62 | 358694718 | 0 |
| 21.97.63.63 | 358694719 | 0 |
| 21.97.63.64 | 358694720 | 0 |
| 21.97.63.65 | 358694721 | 0 |
| 21.97.63.66 | 358694722 | 0 |
| 21.97.63.67 | 358694723 | 0 |
| 21.97.63.68 | 358694724 | 0 |
| 21.97.63.69 | 358694725 | 0 |
| 21.97.63.70 | 358694726 | 0 |
| 21.97.63.71 | 358694727 | 0 |
| 21.97.63.72 | 358694728 | 0 |
| 21.97.63.73 | 358694729 | 0 |
| 21.97.63.74 | 358694730 | 0 |
| 21.97.63.75 | 358694731 | 0 |
| 21.97.63.76 | 358694732 | 0 |
| 21.97.63.77 | 358694733 | 0 |
| 21.97.63.78 | 358694734 | 0 |
| 21.97.63.79 | 358694735 | 0 |
| 21.97.63.80 | 358694736 | 0 |
| 21.97.63.81 | 358694737 | 0 |
| 21.97.63.82 | 358694738 | 0 |
| 21.97.63.83 | 358694739 | 0 |
| 21.97.63.84 | 358694740 | 0 |
| 21.97.63.85 | 358694741 | 0 |