The IP address 121.157.2 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 | apnic | 
| Last update | 28/03/2018 | 

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | KR | South Korea | - | Seongnam | 37.4386 | 127.1378 | 2018-03-28 | 
| MaxMind | KR | South Korea | - | - | 37.5112 | 126.9741 | 2018-03-28 | 
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - | 
| IP | Numerical IP | DNS | 
| 121.157.2.0 | 2040332800 | 0 | 
| 121.157.2.1 | 2040332801 | 0 | 
| 121.157.2.2 | 2040332802 | 0 | 
| 121.157.2.3 | 2040332803 | 0 | 
| 121.157.2.4 | 2040332804 | 0 | 
| 121.157.2.5 | 2040332805 | 0 | 
| 121.157.2.6 | 2040332806 | 0 | 
| 121.157.2.7 | 2040332807 | 0 | 
| 121.157.2.8 | 2040332808 | 0 | 
| 121.157.2.9 | 2040332809 | 0 | 
| 121.157.2.10 | 2040332810 | 0 | 
| 121.157.2.11 | 2040332811 | 0 | 
| 121.157.2.12 | 2040332812 | 0 | 
| 121.157.2.13 | 2040332813 | 0 | 
| 121.157.2.14 | 2040332814 | 0 | 
| 121.157.2.15 | 2040332815 | 0 | 
| 121.157.2.16 | 2040332816 | 0 | 
| 121.157.2.17 | 2040332817 | 0 | 
| 121.157.2.18 | 2040332818 | 0 | 
| 121.157.2.19 | 2040332819 | 0 | 
| 121.157.2.20 | 2040332820 | 0 | 
| 121.157.2.21 | 2040332821 | 0 | 
| 121.157.2.22 | 2040332822 | 0 | 
| 121.157.2.23 | 2040332823 | 0 | 
| 121.157.2.24 | 2040332824 | 0 | 
| 121.157.2.25 | 2040332825 | 0 | 
| 121.157.2.26 | 2040332826 | 0 | 
| 121.157.2.27 | 2040332827 | 0 | 
| 121.157.2.28 | 2040332828 | 0 | 
| 121.157.2.29 | 2040332829 | 0 | 
| 121.157.2.30 | 2040332830 | 0 | 
| 121.157.2.31 | 2040332831 | 0 | 
| 121.157.2.32 | 2040332832 | 0 | 
| 121.157.2.33 | 2040332833 | 0 | 
| 121.157.2.34 | 2040332834 | 0 | 
| 121.157.2.35 | 2040332835 | 0 | 
| 121.157.2.36 | 2040332836 | 0 | 
| 121.157.2.37 | 2040332837 | 0 | 
| 121.157.2.38 | 2040332838 | 0 | 
| 121.157.2.39 | 2040332839 | 0 | 
| 121.157.2.40 | 2040332840 | 0 | 
| 121.157.2.41 | 2040332841 | 0 | 
| 121.157.2.42 | 2040332842 | 0 | 
| 121.157.2.43 | 2040332843 | 0 | 
| 121.157.2.44 | 2040332844 | 0 | 
| 121.157.2.45 | 2040332845 | 0 | 
| 121.157.2.46 | 2040332846 | 0 | 
| 121.157.2.47 | 2040332847 | 0 | 
| 121.157.2.48 | 2040332848 | 0 | 
| 121.157.2.49 | 2040332849 | 0 | 
| 121.157.2.50 | 2040332850 | 0 | 
| 121.157.2.51 | 2040332851 | 0 | 
| 121.157.2.52 | 2040332852 | 0 | 
| 121.157.2.53 | 2040332853 | 0 | 
| 121.157.2.54 | 2040332854 | 0 | 
| 121.157.2.55 | 2040332855 | 0 | 
| 121.157.2.56 | 2040332856 | 0 | 
| 121.157.2.57 | 2040332857 | 0 | 
| 121.157.2.58 | 2040332858 | 0 | 
| 121.157.2.59 | 2040332859 | 0 | 
| 121.157.2.60 | 2040332860 | 0 | 
| 121.157.2.61 | 2040332861 | 0 | 
| 121.157.2.62 | 2040332862 | 0 | 
| 121.157.2.63 | 2040332863 | 0 | 
| 121.157.2.64 | 2040332864 | 0 | 
| 121.157.2.65 | 2040332865 | 0 | 
| 121.157.2.66 | 2040332866 | 0 | 
| 121.157.2.67 | 2040332867 | 0 | 
| 121.157.2.68 | 2040332868 | 0 | 
| 121.157.2.69 | 2040332869 | 0 | 
| 121.157.2.70 | 2040332870 | 0 | 
| 121.157.2.71 | 2040332871 | 0 | 
| 121.157.2.72 | 2040332872 | 0 | 
| 121.157.2.73 | 2040332873 | 0 | 
| 121.157.2.74 | 2040332874 | 0 | 
| 121.157.2.75 | 2040332875 | 0 | 
| 121.157.2.76 | 2040332876 | 0 | 
| 121.157.2.77 | 2040332877 | 0 | 
| 121.157.2.78 | 2040332878 | 0 | 
| 121.157.2.79 | 2040332879 | 0 | 
| 121.157.2.80 | 2040332880 | 0 | 
| 121.157.2.81 | 2040332881 | 0 | 
| 121.157.2.82 | 2040332882 | 0 | 
| 121.157.2.83 | 2040332883 | 0 | 
| 121.157.2.84 | 2040332884 | 0 | 
| 121.157.2.85 | 2040332885 | 0 |