Les adresses IP débutant par 21.86.63 sont fournies par China Education and Research Network Center, elles appartiennent au CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, le bloc IP comprant les adresses de 22.30.204.0 à 22.30.205.255). Le numéro de système autonome (ASN) est 4538.
| ASN | 4538 |
| IP commençant par | 22.30.204.0 |
| IP se terminant par | 22.30.205.255 |
| Nom ASN | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numérique | |
| Registe | |
| Dernière mise à jour | 19/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Columbus | 39,9664 | -83,0128 | 2017-08-19 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-08-19 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.86.63.0 | 357973760 | 0 |
| 21.86.63.1 | 357973761 | 0 |
| 21.86.63.2 | 357973762 | 0 |
| 21.86.63.3 | 357973763 | 0 |
| 21.86.63.4 | 357973764 | 0 |
| 21.86.63.5 | 357973765 | 0 |
| 21.86.63.6 | 357973766 | 0 |
| 21.86.63.7 | 357973767 | 0 |
| 21.86.63.8 | 357973768 | 0 |
| 21.86.63.9 | 357973769 | 0 |
| 21.86.63.10 | 357973770 | 0 |
| 21.86.63.11 | 357973771 | 0 |
| 21.86.63.12 | 357973772 | 0 |
| 21.86.63.13 | 357973773 | 0 |
| 21.86.63.14 | 357973774 | 0 |
| 21.86.63.15 | 357973775 | 0 |
| 21.86.63.16 | 357973776 | 0 |
| 21.86.63.17 | 357973777 | 0 |
| 21.86.63.18 | 357973778 | 0 |
| 21.86.63.19 | 357973779 | 0 |
| 21.86.63.20 | 357973780 | 0 |
| 21.86.63.21 | 357973781 | 0 |
| 21.86.63.22 | 357973782 | 0 |
| 21.86.63.23 | 357973783 | 0 |
| 21.86.63.24 | 357973784 | 0 |
| 21.86.63.25 | 357973785 | 0 |
| 21.86.63.26 | 357973786 | 0 |
| 21.86.63.27 | 357973787 | 0 |
| 21.86.63.28 | 357973788 | 0 |
| 21.86.63.29 | 357973789 | 0 |
| 21.86.63.30 | 357973790 | 0 |
| 21.86.63.31 | 357973791 | 0 |
| 21.86.63.32 | 357973792 | 0 |
| 21.86.63.33 | 357973793 | 0 |
| 21.86.63.34 | 357973794 | 0 |
| 21.86.63.35 | 357973795 | 0 |
| 21.86.63.36 | 357973796 | 0 |
| 21.86.63.37 | 357973797 | 0 |
| 21.86.63.38 | 357973798 | 0 |
| 21.86.63.39 | 357973799 | 0 |
| 21.86.63.40 | 357973800 | 0 |
| 21.86.63.41 | 357973801 | 0 |
| 21.86.63.42 | 357973802 | 0 |
| 21.86.63.43 | 357973803 | 0 |
| 21.86.63.44 | 357973804 | 0 |
| 21.86.63.45 | 357973805 | 0 |
| 21.86.63.46 | 357973806 | 0 |
| 21.86.63.47 | 357973807 | 0 |
| 21.86.63.48 | 357973808 | 0 |
| 21.86.63.49 | 357973809 | 0 |
| 21.86.63.50 | 357973810 | 0 |
| 21.86.63.51 | 357973811 | 0 |
| 21.86.63.52 | 357973812 | 0 |
| 21.86.63.53 | 357973813 | 0 |
| 21.86.63.54 | 357973814 | 0 |
| 21.86.63.55 | 357973815 | 0 |
| 21.86.63.56 | 357973816 | 0 |
| 21.86.63.57 | 357973817 | 0 |
| 21.86.63.58 | 357973818 | 0 |
| 21.86.63.59 | 357973819 | 0 |
| 21.86.63.60 | 357973820 | 0 |
| 21.86.63.61 | 357973821 | 0 |
| 21.86.63.62 | 357973822 | 0 |
| 21.86.63.63 | 357973823 | 0 |
| 21.86.63.64 | 357973824 | 0 |
| 21.86.63.65 | 357973825 | 0 |
| 21.86.63.66 | 357973826 | 0 |
| 21.86.63.67 | 357973827 | 0 |
| 21.86.63.68 | 357973828 | 0 |
| 21.86.63.69 | 357973829 | 0 |
| 21.86.63.70 | 357973830 | 0 |
| 21.86.63.71 | 357973831 | 0 |
| 21.86.63.72 | 357973832 | 0 |
| 21.86.63.73 | 357973833 | 0 |
| 21.86.63.74 | 357973834 | 0 |
| 21.86.63.75 | 357973835 | 0 |
| 21.86.63.76 | 357973836 | 0 |
| 21.86.63.77 | 357973837 | 0 |
| 21.86.63.78 | 357973838 | 0 |
| 21.86.63.79 | 357973839 | 0 |
| 21.86.63.80 | 357973840 | 0 |
| 21.86.63.81 | 357973841 | 0 |
| 21.86.63.82 | 357973842 | 0 |
| 21.86.63.83 | 357973843 | 0 |
| 21.86.63.84 | 357973844 | 0 |
| 21.86.63.85 | 357973845 | 0 |