The IP address 121.136.3 is provided by Korea Telecom, it's belong to the CDIR (Classless Inter-Domain Routing) 121.128.0.0/11 (range 121.128.0.0 to 121.159.255.255). The autonomous system number (ASN) is 4766.
| ASN | 4766 |
| IP starting by | 121.128.0.0 |
| IP ending by | 121.159.255.255 |
| ASN Name | Korea Telecom |
| CDIR | 121.128.0.0/11 |
| Numerical IP | |
| Registry | |
| Last update | 15/05/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | KR | South Korea | - | Wonju | 37.3514 | 127.9453 | 2018-05-14 |
| MaxMind | KR | South Korea | - | Seoul | 37.5111 | 126.9743 | 2018-05-14 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.136.3.0 | 2038956800 | 0 |
| 121.136.3.1 | 2038956801 | 0 |
| 121.136.3.2 | 2038956802 | 0 |
| 121.136.3.3 | 2038956803 | 0 |
| 121.136.3.4 | 2038956804 | 0 |
| 121.136.3.5 | 2038956805 | 0 |
| 121.136.3.6 | 2038956806 | 0 |
| 121.136.3.7 | 2038956807 | 0 |
| 121.136.3.8 | 2038956808 | 0 |
| 121.136.3.9 | 2038956809 | 0 |
| 121.136.3.10 | 2038956810 | 0 |
| 121.136.3.11 | 2038956811 | 0 |
| 121.136.3.12 | 2038956812 | 0 |
| 121.136.3.13 | 2038956813 | 0 |
| 121.136.3.14 | 2038956814 | 0 |
| 121.136.3.15 | 2038956815 | 0 |
| 121.136.3.16 | 2038956816 | 0 |
| 121.136.3.17 | 2038956817 | 0 |
| 121.136.3.18 | 2038956818 | 0 |
| 121.136.3.19 | 2038956819 | 0 |
| 121.136.3.20 | 2038956820 | 0 |
| 121.136.3.21 | 2038956821 | 0 |
| 121.136.3.22 | 2038956822 | 0 |
| 121.136.3.23 | 2038956823 | 0 |
| 121.136.3.24 | 2038956824 | 0 |
| 121.136.3.25 | 2038956825 | 0 |
| 121.136.3.26 | 2038956826 | 0 |
| 121.136.3.27 | 2038956827 | 0 |
| 121.136.3.28 | 2038956828 | 0 |
| 121.136.3.29 | 2038956829 | 0 |
| 121.136.3.30 | 2038956830 | 0 |
| 121.136.3.31 | 2038956831 | 0 |
| 121.136.3.32 | 2038956832 | 0 |
| 121.136.3.33 | 2038956833 | 0 |
| 121.136.3.34 | 2038956834 | 0 |
| 121.136.3.35 | 2038956835 | 0 |
| 121.136.3.36 | 2038956836 | 0 |
| 121.136.3.37 | 2038956837 | 0 |
| 121.136.3.38 | 2038956838 | 0 |
| 121.136.3.39 | 2038956839 | 0 |
| 121.136.3.40 | 2038956840 | 0 |
| 121.136.3.41 | 2038956841 | 0 |
| 121.136.3.42 | 2038956842 | 0 |
| 121.136.3.43 | 2038956843 | 0 |
| 121.136.3.44 | 2038956844 | 0 |
| 121.136.3.45 | 2038956845 | 0 |
| 121.136.3.46 | 2038956846 | 0 |
| 121.136.3.47 | 2038956847 | 0 |
| 121.136.3.48 | 2038956848 | 0 |
| 121.136.3.49 | 2038956849 | 0 |
| 121.136.3.50 | 2038956850 | 0 |
| 121.136.3.51 | 2038956851 | 0 |
| 121.136.3.52 | 2038956852 | 0 |
| 121.136.3.53 | 2038956853 | 0 |
| 121.136.3.54 | 2038956854 | 0 |
| 121.136.3.55 | 2038956855 | 0 |
| 121.136.3.56 | 2038956856 | 0 |
| 121.136.3.57 | 2038956857 | 0 |
| 121.136.3.58 | 2038956858 | 0 |
| 121.136.3.59 | 2038956859 | 0 |
| 121.136.3.60 | 2038956860 | 0 |
| 121.136.3.61 | 2038956861 | 0 |
| 121.136.3.62 | 2038956862 | 0 |
| 121.136.3.63 | 2038956863 | 0 |
| 121.136.3.64 | 2038956864 | 0 |
| 121.136.3.65 | 2038956865 | 0 |
| 121.136.3.66 | 2038956866 | 0 |
| 121.136.3.67 | 2038956867 | 0 |
| 121.136.3.68 | 2038956868 | 0 |
| 121.136.3.69 | 2038956869 | 0 |
| 121.136.3.70 | 2038956870 | 0 |
| 121.136.3.71 | 2038956871 | 0 |
| 121.136.3.72 | 2038956872 | 0 |
| 121.136.3.73 | 2038956873 | 0 |
| 121.136.3.74 | 2038956874 | 0 |
| 121.136.3.75 | 2038956875 | 0 |
| 121.136.3.76 | 2038956876 | 0 |
| 121.136.3.77 | 2038956877 | 0 |
| 121.136.3.78 | 2038956878 | 0 |
| 121.136.3.79 | 2038956879 | 0 |
| 121.136.3.80 | 2038956880 | 0 |
| 121.136.3.81 | 2038956881 | 0 |
| 121.136.3.82 | 2038956882 | 0 |
| 121.136.3.83 | 2038956883 | 0 |
| 121.136.3.84 | 2038956884 | 0 |
| 121.136.3.85 | 2038956885 | 0 |