The IP address 39.21.12 is provided by Korea Telecom, it's belong to the CDIR (Classless Inter-Domain Routing) 39.16.0.0/13 (range 39.16.0.0 to 39.23.255.255). The autonomous system number (ASN) is 4766.
| ASN | 4766 |
| IP starting by | 39.16.0.0 |
| IP ending by | 39.23.255.255 |
| ASN Name | Korea Telecom |
| CDIR | 39.16.0.0/13 |
| Numerical IP | |
| Registry | apnic |
| Last update | 04/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | KR | South Korea | - | Seoul | 37.5683 | 126.9778 | 2017-07-04 |
| MaxMind | KR | South Korea | - | - | 37.5112 | 126.9741 | 2017-07-04 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 39.21.12.0 | 655690752 | 0 |
| 39.21.12.1 | 655690753 | 0 |
| 39.21.12.2 | 655690754 | 0 |
| 39.21.12.3 | 655690755 | 0 |
| 39.21.12.4 | 655690756 | 0 |
| 39.21.12.5 | 655690757 | 0 |
| 39.21.12.6 | 655690758 | 0 |
| 39.21.12.7 | 655690759 | 0 |
| 39.21.12.8 | 655690760 | 0 |
| 39.21.12.9 | 655690761 | 0 |
| 39.21.12.10 | 655690762 | 0 |
| 39.21.12.11 | 655690763 | 0 |
| 39.21.12.12 | 655690764 | 0 |
| 39.21.12.13 | 655690765 | 0 |
| 39.21.12.14 | 655690766 | 0 |
| 39.21.12.15 | 655690767 | 0 |
| 39.21.12.16 | 655690768 | 0 |
| 39.21.12.17 | 655690769 | 0 |
| 39.21.12.18 | 655690770 | 0 |
| 39.21.12.19 | 655690771 | 0 |
| 39.21.12.20 | 655690772 | 0 |
| 39.21.12.21 | 655690773 | 0 |
| 39.21.12.22 | 655690774 | 0 |
| 39.21.12.23 | 655690775 | 0 |
| 39.21.12.24 | 655690776 | 0 |
| 39.21.12.25 | 655690777 | 0 |
| 39.21.12.26 | 655690778 | 0 |
| 39.21.12.27 | 655690779 | 0 |
| 39.21.12.28 | 655690780 | 0 |
| 39.21.12.29 | 655690781 | 0 |
| 39.21.12.30 | 655690782 | 0 |
| 39.21.12.31 | 655690783 | 0 |
| 39.21.12.32 | 655690784 | 0 |
| 39.21.12.33 | 655690785 | 0 |
| 39.21.12.34 | 655690786 | 0 |
| 39.21.12.35 | 655690787 | 0 |
| 39.21.12.36 | 655690788 | 0 |
| 39.21.12.37 | 655690789 | 0 |
| 39.21.12.38 | 655690790 | 0 |
| 39.21.12.39 | 655690791 | 0 |
| 39.21.12.40 | 655690792 | 0 |
| 39.21.12.41 | 655690793 | 0 |
| 39.21.12.42 | 655690794 | 0 |
| 39.21.12.43 | 655690795 | 0 |
| 39.21.12.44 | 655690796 | 0 |
| 39.21.12.45 | 655690797 | 0 |
| 39.21.12.46 | 655690798 | 0 |
| 39.21.12.47 | 655690799 | 0 |
| 39.21.12.48 | 655690800 | 0 |
| 39.21.12.49 | 655690801 | 0 |
| 39.21.12.50 | 655690802 | 0 |
| 39.21.12.51 | 655690803 | 0 |
| 39.21.12.52 | 655690804 | 0 |
| 39.21.12.53 | 655690805 | 0 |
| 39.21.12.54 | 655690806 | 0 |
| 39.21.12.55 | 655690807 | 0 |
| 39.21.12.56 | 655690808 | 0 |
| 39.21.12.57 | 655690809 | 0 |
| 39.21.12.58 | 655690810 | 0 |
| 39.21.12.59 | 655690811 | 0 |
| 39.21.12.60 | 655690812 | 0 |
| 39.21.12.61 | 655690813 | 0 |
| 39.21.12.62 | 655690814 | 0 |
| 39.21.12.63 | 655690815 | 0 |
| 39.21.12.64 | 655690816 | 0 |
| 39.21.12.65 | 655690817 | 0 |
| 39.21.12.66 | 655690818 | 0 |
| 39.21.12.67 | 655690819 | 0 |
| 39.21.12.68 | 655690820 | 0 |
| 39.21.12.69 | 655690821 | 0 |
| 39.21.12.70 | 655690822 | 0 |
| 39.21.12.71 | 655690823 | 0 |
| 39.21.12.72 | 655690824 | 0 |
| 39.21.12.73 | 655690825 | 0 |
| 39.21.12.74 | 655690826 | 0 |
| 39.21.12.75 | 655690827 | 0 |
| 39.21.12.76 | 655690828 | 0 |
| 39.21.12.77 | 655690829 | 0 |
| 39.21.12.78 | 655690830 | 0 |
| 39.21.12.79 | 655690831 | 0 |
| 39.21.12.80 | 655690832 | 0 |
| 39.21.12.81 | 655690833 | 0 |
| 39.21.12.82 | 655690834 | 0 |
| 39.21.12.83 | 655690835 | 0 |
| 39.21.12.84 | 655690836 | 0 |
| 39.21.12.85 | 655690837 | 0 |