Die IP-Adresse 121.158.4 erfolgt über Korea Telecom, es hat gehören zu den GGDV (Classless Inter-Domain Routing) 121.128.0.0/11 (Bereich 121.128.0.0, 121.159.255.255). Die autonomen Systemnummer (ASN) ist 4766.
| ASN | 4766 |
| Ausgehend von IP | 121.128.0.0 |
| Beendigung durch IP | 121.159.255.255 |
| ASN-Namen | Korea Telecom |
| GGDV | 121.128.0.0/11 |
| Numerische IP | |
| Registrierung | |
| Letztes update | 14.08.2018 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | KR | Südkorea | - | Kwangmyong | 37,4772 | 126,8664 | 2018-08-14 |
| MaxMind | KR | Südkorea | - | Anjung | 36,9871 | 126,927 | 2018-08-14 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.158.4.0 | 2040398848 | 0 |
| 121.158.4.1 | 2040398849 | 0 |
| 121.158.4.2 | 2040398850 | 0 |
| 121.158.4.3 | 2040398851 | 0 |
| 121.158.4.4 | 2040398852 | 0 |
| 121.158.4.5 | 2040398853 | 0 |
| 121.158.4.6 | 2040398854 | 0 |
| 121.158.4.7 | 2040398855 | 0 |
| 121.158.4.8 | 2040398856 | 0 |
| 121.158.4.9 | 2040398857 | 0 |
| 121.158.4.10 | 2040398858 | 0 |
| 121.158.4.11 | 2040398859 | 0 |
| 121.158.4.12 | 2040398860 | 0 |
| 121.158.4.13 | 2040398861 | 0 |
| 121.158.4.14 | 2040398862 | 0 |
| 121.158.4.15 | 2040398863 | 0 |
| 121.158.4.16 | 2040398864 | 0 |
| 121.158.4.17 | 2040398865 | 0 |
| 121.158.4.18 | 2040398866 | 0 |
| 121.158.4.19 | 2040398867 | 0 |
| 121.158.4.20 | 2040398868 | 0 |
| 121.158.4.21 | 2040398869 | 0 |
| 121.158.4.22 | 2040398870 | 0 |
| 121.158.4.23 | 2040398871 | 0 |
| 121.158.4.24 | 2040398872 | 0 |
| 121.158.4.25 | 2040398873 | 0 |
| 121.158.4.26 | 2040398874 | 0 |
| 121.158.4.27 | 2040398875 | 0 |
| 121.158.4.28 | 2040398876 | 0 |
| 121.158.4.29 | 2040398877 | 0 |
| 121.158.4.30 | 2040398878 | 0 |
| 121.158.4.31 | 2040398879 | 0 |
| 121.158.4.32 | 2040398880 | 0 |
| 121.158.4.33 | 2040398881 | 0 |
| 121.158.4.34 | 2040398882 | 0 |
| 121.158.4.35 | 2040398883 | 0 |
| 121.158.4.36 | 2040398884 | 0 |
| 121.158.4.37 | 2040398885 | 0 |
| 121.158.4.38 | 2040398886 | 0 |
| 121.158.4.39 | 2040398887 | 0 |
| 121.158.4.40 | 2040398888 | 0 |
| 121.158.4.41 | 2040398889 | 0 |
| 121.158.4.42 | 2040398890 | 0 |
| 121.158.4.43 | 2040398891 | 0 |
| 121.158.4.44 | 2040398892 | 0 |
| 121.158.4.45 | 2040398893 | 0 |
| 121.158.4.46 | 2040398894 | 0 |
| 121.158.4.47 | 2040398895 | 0 |
| 121.158.4.48 | 2040398896 | 0 |
| 121.158.4.49 | 2040398897 | 0 |
| 121.158.4.50 | 2040398898 | 0 |
| 121.158.4.51 | 2040398899 | 0 |
| 121.158.4.52 | 2040398900 | 0 |
| 121.158.4.53 | 2040398901 | 0 |
| 121.158.4.54 | 2040398902 | 0 |
| 121.158.4.55 | 2040398903 | 0 |
| 121.158.4.56 | 2040398904 | 0 |
| 121.158.4.57 | 2040398905 | 0 |
| 121.158.4.58 | 2040398906 | 0 |
| 121.158.4.59 | 2040398907 | 0 |
| 121.158.4.60 | 2040398908 | 0 |
| 121.158.4.61 | 2040398909 | 0 |
| 121.158.4.62 | 2040398910 | 0 |
| 121.158.4.63 | 2040398911 | 0 |
| 121.158.4.64 | 2040398912 | 0 |
| 121.158.4.65 | 2040398913 | 0 |
| 121.158.4.66 | 2040398914 | 0 |
| 121.158.4.67 | 2040398915 | 0 |
| 121.158.4.68 | 2040398916 | 0 |
| 121.158.4.69 | 2040398917 | 0 |
| 121.158.4.70 | 2040398918 | 0 |
| 121.158.4.71 | 2040398919 | 0 |
| 121.158.4.72 | 2040398920 | 0 |
| 121.158.4.73 | 2040398921 | 0 |
| 121.158.4.74 | 2040398922 | 0 |
| 121.158.4.75 | 2040398923 | 0 |
| 121.158.4.76 | 2040398924 | 0 |
| 121.158.4.77 | 2040398925 | 0 |
| 121.158.4.78 | 2040398926 | 0 |
| 121.158.4.79 | 2040398927 | 0 |
| 121.158.4.80 | 2040398928 | 0 |
| 121.158.4.81 | 2040398929 | 0 |
| 121.158.4.82 | 2040398930 | 0 |
| 121.158.4.83 | 2040398931 | 0 |
| 121.158.4.84 | 2040398932 | 0 |
| 121.158.4.85 | 2040398933 | 0 |