Die IP-Adresse 121.151.3 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 | apnic |
| Letztes update | 02.08.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | KR | Südkorea | - | Taegu | 35,8703 | 128,5911 | 2017-08-02 |
| MaxMind | KR | Südkorea | - | Daegu | 35,8703 | 128,5911 | 2017-08-02 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.151.3.0 | 2039939840 | 0 |
| 121.151.3.1 | 2039939841 | 0 |
| 121.151.3.2 | 2039939842 | 0 |
| 121.151.3.3 | 2039939843 | 0 |
| 121.151.3.4 | 2039939844 | 0 |
| 121.151.3.5 | 2039939845 | 0 |
| 121.151.3.6 | 2039939846 | 0 |
| 121.151.3.7 | 2039939847 | 0 |
| 121.151.3.8 | 2039939848 | 0 |
| 121.151.3.9 | 2039939849 | 0 |
| 121.151.3.10 | 2039939850 | 0 |
| 121.151.3.11 | 2039939851 | 0 |
| 121.151.3.12 | 2039939852 | 0 |
| 121.151.3.13 | 2039939853 | 0 |
| 121.151.3.14 | 2039939854 | 0 |
| 121.151.3.15 | 2039939855 | 0 |
| 121.151.3.16 | 2039939856 | 0 |
| 121.151.3.17 | 2039939857 | 0 |
| 121.151.3.18 | 2039939858 | 0 |
| 121.151.3.19 | 2039939859 | 0 |
| 121.151.3.20 | 2039939860 | 0 |
| 121.151.3.21 | 2039939861 | 0 |
| 121.151.3.22 | 2039939862 | 0 |
| 121.151.3.23 | 2039939863 | 0 |
| 121.151.3.24 | 2039939864 | 0 |
| 121.151.3.25 | 2039939865 | 0 |
| 121.151.3.26 | 2039939866 | 0 |
| 121.151.3.27 | 2039939867 | 0 |
| 121.151.3.28 | 2039939868 | 0 |
| 121.151.3.29 | 2039939869 | 0 |
| 121.151.3.30 | 2039939870 | 0 |
| 121.151.3.31 | 2039939871 | 0 |
| 121.151.3.32 | 2039939872 | 0 |
| 121.151.3.33 | 2039939873 | 0 |
| 121.151.3.34 | 2039939874 | 0 |
| 121.151.3.35 | 2039939875 | 0 |
| 121.151.3.36 | 2039939876 | 0 |
| 121.151.3.37 | 2039939877 | 0 |
| 121.151.3.38 | 2039939878 | 0 |
| 121.151.3.39 | 2039939879 | 0 |
| 121.151.3.40 | 2039939880 | 0 |
| 121.151.3.41 | 2039939881 | 0 |
| 121.151.3.42 | 2039939882 | 0 |
| 121.151.3.43 | 2039939883 | 0 |
| 121.151.3.44 | 2039939884 | 0 |
| 121.151.3.45 | 2039939885 | 0 |
| 121.151.3.46 | 2039939886 | 0 |
| 121.151.3.47 | 2039939887 | 0 |
| 121.151.3.48 | 2039939888 | 0 |
| 121.151.3.49 | 2039939889 | 0 |
| 121.151.3.50 | 2039939890 | 0 |
| 121.151.3.51 | 2039939891 | 0 |
| 121.151.3.52 | 2039939892 | 0 |
| 121.151.3.53 | 2039939893 | 0 |
| 121.151.3.54 | 2039939894 | 0 |
| 121.151.3.55 | 2039939895 | 0 |
| 121.151.3.56 | 2039939896 | 0 |
| 121.151.3.57 | 2039939897 | 0 |
| 121.151.3.58 | 2039939898 | 0 |
| 121.151.3.59 | 2039939899 | 0 |
| 121.151.3.60 | 2039939900 | 0 |
| 121.151.3.61 | 2039939901 | 0 |
| 121.151.3.62 | 2039939902 | 0 |
| 121.151.3.63 | 2039939903 | 0 |
| 121.151.3.64 | 2039939904 | 0 |
| 121.151.3.65 | 2039939905 | 0 |
| 121.151.3.66 | 2039939906 | 0 |
| 121.151.3.67 | 2039939907 | 0 |
| 121.151.3.68 | 2039939908 | 0 |
| 121.151.3.69 | 2039939909 | 0 |
| 121.151.3.70 | 2039939910 | 0 |
| 121.151.3.71 | 2039939911 | 0 |
| 121.151.3.72 | 2039939912 | 0 |
| 121.151.3.73 | 2039939913 | 0 |
| 121.151.3.74 | 2039939914 | 0 |
| 121.151.3.75 | 2039939915 | 0 |
| 121.151.3.76 | 2039939916 | 0 |
| 121.151.3.77 | 2039939917 | 0 |
| 121.151.3.78 | 2039939918 | 0 |
| 121.151.3.79 | 2039939919 | 0 |
| 121.151.3.80 | 2039939920 | 0 |
| 121.151.3.81 | 2039939921 | 0 |
| 121.151.3.82 | 2039939922 | 0 |
| 121.151.3.83 | 2039939923 | 0 |
| 121.151.3.84 | 2039939924 | 0 |
| 121.151.3.85 | 2039939925 | 0 |