The IP address 42.77.21 is provided by Long Distance & Mobile Business Group, it's belong to the CDIR (Classless Inter-Domain Routing) 42.75.128.0/17 (range 42.75.128.0 to 42.75.255.255). The autonomous system number (ASN) is 17421.
| ASN | 17421 |
| IP starting by | 42.75.128.0 |
| IP ending by | 42.75.255.255 |
| ASN Name | Long Distance & Mobile Business Group |
| CDIR | 42.75.128.0/17 |
| Numerical IP | |
| Registry | apnic |
| Last update | 05/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | TW | Taiwan | - | Taichung | 24.1469 | 120.6839 | 2017-07-05 |
| MaxMind | TW | Taiwan | - | Taipei | 25.0418 | 121.4966 | 2017-07-05 |
| Whois | TW | - | - | - | 121 | 24 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 42.77.21.0 | 709694720 | 0 |
| 42.77.21.1 | 709694721 | 0 |
| 42.77.21.2 | 709694722 | 0 |
| 42.77.21.3 | 709694723 | 0 |
| 42.77.21.4 | 709694724 | 0 |
| 42.77.21.5 | 709694725 | 0 |
| 42.77.21.6 | 709694726 | 0 |
| 42.77.21.7 | 709694727 | 0 |
| 42.77.21.8 | 709694728 | 0 |
| 42.77.21.9 | 709694729 | 0 |
| 42.77.21.10 | 709694730 | 0 |
| 42.77.21.11 | 709694731 | 0 |
| 42.77.21.12 | 709694732 | 0 |
| 42.77.21.13 | 709694733 | 0 |
| 42.77.21.14 | 709694734 | 0 |
| 42.77.21.15 | 709694735 | 0 |
| 42.77.21.16 | 709694736 | 0 |
| 42.77.21.17 | 709694737 | 0 |
| 42.77.21.18 | 709694738 | 0 |
| 42.77.21.19 | 709694739 | 0 |
| 42.77.21.20 | 709694740 | 0 |
| 42.77.21.21 | 709694741 | 0 |
| 42.77.21.22 | 709694742 | 0 |
| 42.77.21.23 | 709694743 | 0 |
| 42.77.21.24 | 709694744 | 0 |
| 42.77.21.25 | 709694745 | 0 |
| 42.77.21.26 | 709694746 | 0 |
| 42.77.21.27 | 709694747 | 0 |
| 42.77.21.28 | 709694748 | 0 |
| 42.77.21.29 | 709694749 | 0 |
| 42.77.21.30 | 709694750 | 0 |
| 42.77.21.31 | 709694751 | 0 |
| 42.77.21.32 | 709694752 | 0 |
| 42.77.21.33 | 709694753 | 0 |
| 42.77.21.34 | 709694754 | 0 |
| 42.77.21.35 | 709694755 | 0 |
| 42.77.21.36 | 709694756 | 0 |
| 42.77.21.37 | 709694757 | 0 |
| 42.77.21.38 | 709694758 | 0 |
| 42.77.21.39 | 709694759 | 0 |
| 42.77.21.40 | 709694760 | 0 |
| 42.77.21.41 | 709694761 | 0 |
| 42.77.21.42 | 709694762 | 0 |
| 42.77.21.43 | 709694763 | 0 |
| 42.77.21.44 | 709694764 | 0 |
| 42.77.21.45 | 709694765 | 0 |
| 42.77.21.46 | 709694766 | 0 |
| 42.77.21.47 | 709694767 | 0 |
| 42.77.21.48 | 709694768 | 0 |
| 42.77.21.49 | 709694769 | 0 |
| 42.77.21.50 | 709694770 | 0 |
| 42.77.21.51 | 709694771 | 0 |
| 42.77.21.52 | 709694772 | 0 |
| 42.77.21.53 | 709694773 | 0 |
| 42.77.21.54 | 709694774 | 0 |
| 42.77.21.55 | 709694775 | 0 |
| 42.77.21.56 | 709694776 | 0 |
| 42.77.21.57 | 709694777 | 0 |
| 42.77.21.58 | 709694778 | 0 |
| 42.77.21.59 | 709694779 | 0 |
| 42.77.21.60 | 709694780 | 0 |
| 42.77.21.61 | 709694781 | 0 |
| 42.77.21.62 | 709694782 | 0 |
| 42.77.21.63 | 709694783 | 0 |
| 42.77.21.64 | 709694784 | 0 |
| 42.77.21.65 | 709694785 | 0 |
| 42.77.21.66 | 709694786 | 0 |
| 42.77.21.67 | 709694787 | 0 |
| 42.77.21.68 | 709694788 | 0 |
| 42.77.21.69 | 709694789 | 0 |
| 42.77.21.70 | 709694790 | 0 |
| 42.77.21.71 | 709694791 | 0 |
| 42.77.21.72 | 709694792 | 0 |
| 42.77.21.73 | 709694793 | 0 |
| 42.77.21.74 | 709694794 | 0 |
| 42.77.21.75 | 709694795 | 0 |
| 42.77.21.76 | 709694796 | 0 |
| 42.77.21.77 | 709694797 | 0 |
| 42.77.21.78 | 709694798 | 0 |
| 42.77.21.79 | 709694799 | 0 |
| 42.77.21.80 | 709694800 | 0 |
| 42.77.21.81 | 709694801 | 0 |
| 42.77.21.82 | 709694802 | 0 |
| 42.77.21.83 | 709694803 | 0 |
| 42.77.21.84 | 709694804 | 0 |
| 42.77.21.85 | 709694805 | 0 |