L'indirizzo IP 163.17.21 è fornito da Taiwan Academic Network (TANet) Information Center, che è di proprietà del CIDR (Classless Inter-Domain Routing) 163.16.0.0/13, IP tra 163.16.0.0 a 163.23.255.255 ). Il numero di sistema autonomo (ASN) è 1659.
| ASN | 1659 |
| IP inizia con | 163.16.0.0 |
| IP finale con | 163.23.255.255 |
| ASN Nome | Taiwan Academic Network (TANet) Information Center |
| CDIR | 163.16.0.0/13 |
| IP numerico | |
| Registe | apnic |
| Ultimo aggiornamento | 12/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | TW | Taiwan, Province of China | - | Taichung | 24,1469 | 120,6839 | 2017-07-12 |
| MaxMind | TW | Taiwan | - | - | 23,5 | 121 | 2017-07-12 |
| Whois | TW | - | - | - | 121 | 24 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 163.17.21.0 | 2735805696 | 0 |
| 163.17.21.1 | 2735805697 | 0 |
| 163.17.21.2 | 2735805698 | 0 |
| 163.17.21.3 | 2735805699 | 0 |
| 163.17.21.4 | 2735805700 | 0 |
| 163.17.21.5 | 2735805701 | 0 |
| 163.17.21.6 | 2735805702 | 0 |
| 163.17.21.7 | 2735805703 | 0 |
| 163.17.21.8 | 2735805704 | 0 |
| 163.17.21.9 | 2735805705 | 0 |
| 163.17.21.10 | 2735805706 | 0 |
| 163.17.21.11 | 2735805707 | 0 |
| 163.17.21.12 | 2735805708 | 0 |
| 163.17.21.13 | 2735805709 | 0 |
| 163.17.21.14 | 2735805710 | 0 |
| 163.17.21.15 | 2735805711 | 0 |
| 163.17.21.16 | 2735805712 | 0 |
| 163.17.21.17 | 2735805713 | 0 |
| 163.17.21.18 | 2735805714 | 0 |
| 163.17.21.19 | 2735805715 | 0 |
| 163.17.21.20 | 2735805716 | 0 |
| 163.17.21.21 | 2735805717 | 0 |
| 163.17.21.22 | 2735805718 | 0 |
| 163.17.21.23 | 2735805719 | 0 |
| 163.17.21.24 | 2735805720 | 0 |
| 163.17.21.25 | 2735805721 | 0 |
| 163.17.21.26 | 2735805722 | 0 |
| 163.17.21.27 | 2735805723 | 0 |
| 163.17.21.28 | 2735805724 | 0 |
| 163.17.21.29 | 2735805725 | 0 |
| 163.17.21.30 | 2735805726 | 0 |
| 163.17.21.31 | 2735805727 | 0 |
| 163.17.21.32 | 2735805728 | 0 |
| 163.17.21.33 | 2735805729 | 0 |
| 163.17.21.34 | 2735805730 | 0 |
| 163.17.21.35 | 2735805731 | 0 |
| 163.17.21.36 | 2735805732 | 0 |
| 163.17.21.37 | 2735805733 | 0 |
| 163.17.21.38 | 2735805734 | 0 |
| 163.17.21.39 | 2735805735 | 0 |
| 163.17.21.40 | 2735805736 | 0 |
| 163.17.21.41 | 2735805737 | 0 |
| 163.17.21.42 | 2735805738 | 0 |
| 163.17.21.43 | 2735805739 | 0 |
| 163.17.21.44 | 2735805740 | 0 |
| 163.17.21.45 | 2735805741 | 0 |
| 163.17.21.46 | 2735805742 | 0 |
| 163.17.21.47 | 2735805743 | 0 |
| 163.17.21.48 | 2735805744 | 0 |
| 163.17.21.49 | 2735805745 | 0 |
| 163.17.21.50 | 2735805746 | 0 |
| 163.17.21.51 | 2735805747 | 0 |
| 163.17.21.52 | 2735805748 | 0 |
| 163.17.21.53 | 2735805749 | 0 |
| 163.17.21.54 | 2735805750 | 0 |
| 163.17.21.55 | 2735805751 | 0 |
| 163.17.21.56 | 2735805752 | 0 |
| 163.17.21.57 | 2735805753 | 0 |
| 163.17.21.58 | 2735805754 | 0 |
| 163.17.21.59 | 2735805755 | 0 |
| 163.17.21.60 | 2735805756 | 0 |
| 163.17.21.61 | 2735805757 | 0 |
| 163.17.21.62 | 2735805758 | 0 |
| 163.17.21.63 | 2735805759 | 0 |
| 163.17.21.64 | 2735805760 | 0 |
| 163.17.21.65 | 2735805761 | 0 |
| 163.17.21.66 | 2735805762 | 0 |
| 163.17.21.67 | 2735805763 | 0 |
| 163.17.21.68 | 2735805764 | 0 |
| 163.17.21.69 | 2735805765 | 0 |
| 163.17.21.70 | 2735805766 | 0 |
| 163.17.21.71 | 2735805767 | 0 |
| 163.17.21.72 | 2735805768 | 0 |
| 163.17.21.73 | 2735805769 | 0 |
| 163.17.21.74 | 2735805770 | 0 |
| 163.17.21.75 | 2735805771 | 0 |
| 163.17.21.76 | 2735805772 | 0 |
| 163.17.21.77 | 2735805773 | 0 |
| 163.17.21.78 | 2735805774 | 0 |
| 163.17.21.79 | 2735805775 | 0 |
| 163.17.21.80 | 2735805776 | 0 |
| 163.17.21.81 | 2735805777 | 0 |
| 163.17.21.82 | 2735805778 | 0 |
| 163.17.21.83 | 2735805779 | 0 |
| 163.17.21.84 | 2735805780 | 0 |
| 163.17.21.85 | 2735805781 | 0 |