L'indirizzo IP 21.89.76 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 | 16/09/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Columbus | 39,9664 | -83,0128 | 2017-09-16 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2017-09-16 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.89.76.0 | 358173696 | 0 |
| 21.89.76.1 | 358173697 | 0 |
| 21.89.76.2 | 358173698 | 0 |
| 21.89.76.3 | 358173699 | 0 |
| 21.89.76.4 | 358173700 | 0 |
| 21.89.76.5 | 358173701 | 0 |
| 21.89.76.6 | 358173702 | 0 |
| 21.89.76.7 | 358173703 | 0 |
| 21.89.76.8 | 358173704 | 0 |
| 21.89.76.9 | 358173705 | 0 |
| 21.89.76.10 | 358173706 | 0 |
| 21.89.76.11 | 358173707 | 0 |
| 21.89.76.12 | 358173708 | 0 |
| 21.89.76.13 | 358173709 | 0 |
| 21.89.76.14 | 358173710 | 0 |
| 21.89.76.15 | 358173711 | 0 |
| 21.89.76.16 | 358173712 | 0 |
| 21.89.76.17 | 358173713 | 0 |
| 21.89.76.18 | 358173714 | 0 |
| 21.89.76.19 | 358173715 | 0 |
| 21.89.76.20 | 358173716 | 0 |
| 21.89.76.21 | 358173717 | 0 |
| 21.89.76.22 | 358173718 | 0 |
| 21.89.76.23 | 358173719 | 0 |
| 21.89.76.24 | 358173720 | 0 |
| 21.89.76.25 | 358173721 | 0 |
| 21.89.76.26 | 358173722 | 0 |
| 21.89.76.27 | 358173723 | 0 |
| 21.89.76.28 | 358173724 | 0 |
| 21.89.76.29 | 358173725 | 0 |
| 21.89.76.30 | 358173726 | 0 |
| 21.89.76.31 | 358173727 | 0 |
| 21.89.76.32 | 358173728 | 0 |
| 21.89.76.33 | 358173729 | 0 |
| 21.89.76.34 | 358173730 | 0 |
| 21.89.76.35 | 358173731 | 0 |
| 21.89.76.36 | 358173732 | 0 |
| 21.89.76.37 | 358173733 | 0 |
| 21.89.76.38 | 358173734 | 0 |
| 21.89.76.39 | 358173735 | 0 |
| 21.89.76.40 | 358173736 | 0 |
| 21.89.76.41 | 358173737 | 0 |
| 21.89.76.42 | 358173738 | 0 |
| 21.89.76.43 | 358173739 | 0 |
| 21.89.76.44 | 358173740 | 0 |
| 21.89.76.45 | 358173741 | 0 |
| 21.89.76.46 | 358173742 | 0 |
| 21.89.76.47 | 358173743 | 0 |
| 21.89.76.48 | 358173744 | 0 |
| 21.89.76.49 | 358173745 | 0 |
| 21.89.76.50 | 358173746 | 0 |
| 21.89.76.51 | 358173747 | 0 |
| 21.89.76.52 | 358173748 | 0 |
| 21.89.76.53 | 358173749 | 0 |
| 21.89.76.54 | 358173750 | 0 |
| 21.89.76.55 | 358173751 | 0 |
| 21.89.76.56 | 358173752 | 0 |
| 21.89.76.57 | 358173753 | 0 |
| 21.89.76.58 | 358173754 | 0 |
| 21.89.76.59 | 358173755 | 0 |
| 21.89.76.60 | 358173756 | 0 |
| 21.89.76.61 | 358173757 | 0 |
| 21.89.76.62 | 358173758 | 0 |
| 21.89.76.63 | 358173759 | 0 |
| 21.89.76.64 | 358173760 | 0 |
| 21.89.76.65 | 358173761 | 0 |
| 21.89.76.66 | 358173762 | 0 |
| 21.89.76.67 | 358173763 | 0 |
| 21.89.76.68 | 358173764 | 0 |
| 21.89.76.69 | 358173765 | 0 |
| 21.89.76.70 | 358173766 | 0 |
| 21.89.76.71 | 358173767 | 0 |
| 21.89.76.72 | 358173768 | 0 |
| 21.89.76.73 | 358173769 | 0 |
| 21.89.76.74 | 358173770 | 0 |
| 21.89.76.75 | 358173771 | 0 |
| 21.89.76.76 | 358173772 | 0 |
| 21.89.76.77 | 358173773 | 0 |
| 21.89.76.78 | 358173774 | 0 |
| 21.89.76.79 | 358173775 | 0 |
| 21.89.76.80 | 358173776 | 0 |
| 21.89.76.81 | 358173777 | 0 |
| 21.89.76.82 | 358173778 | 0 |
| 21.89.76.83 | 358173779 | 0 |
| 21.89.76.84 | 358173780 | 0 |
| 21.89.76.85 | 358173781 | 0 |