Les adresses IP débutant par 121.125.3 sont fournies par SK Broadband Co Ltd, elles appartiennent au CIDR (Classless Inter-Domain Routing) 121.124.0.0/15, le bloc IP comprant les adresses de 121.124.0.0 à 121.125.255.255). Le numéro de système autonome (ASN) est 9318.
| ASN | 9318 |
| IP commençant par | 121.124.0.0 |
| IP se terminant par | 121.125.255.255 |
| Nom ASN | SK Broadband Co Ltd |
| CDIR | 121.124.0.0/15 |
| IP numérique | |
| Registe | |
| Dernière mise à jour | 15/10/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | KR | Corée du Sud | - | Tyundyu | 36,6372 | 127,4897 | 2018-12-27 |
| MaxMind | KR | Corée du Sud | - | - | 37,5112 | 126,9741 | 2018-12-27 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.125.3.0 | 2038235904 | 0 |
| 121.125.3.1 | 2038235905 | 0 |
| 121.125.3.2 | 2038235906 | 0 |
| 121.125.3.3 | 2038235907 | 0 |
| 121.125.3.4 | 2038235908 | 0 |
| 121.125.3.5 | 2038235909 | 0 |
| 121.125.3.6 | 2038235910 | 0 |
| 121.125.3.7 | 2038235911 | 0 |
| 121.125.3.8 | 2038235912 | 0 |
| 121.125.3.9 | 2038235913 | 0 |
| 121.125.3.10 | 2038235914 | 0 |
| 121.125.3.11 | 2038235915 | 0 |
| 121.125.3.12 | 2038235916 | 0 |
| 121.125.3.13 | 2038235917 | 0 |
| 121.125.3.14 | 2038235918 | 0 |
| 121.125.3.15 | 2038235919 | 0 |
| 121.125.3.16 | 2038235920 | 0 |
| 121.125.3.17 | 2038235921 | 0 |
| 121.125.3.18 | 2038235922 | 0 |
| 121.125.3.19 | 2038235923 | 0 |
| 121.125.3.20 | 2038235924 | 0 |
| 121.125.3.21 | 2038235925 | 0 |
| 121.125.3.22 | 2038235926 | 0 |
| 121.125.3.23 | 2038235927 | 0 |
| 121.125.3.24 | 2038235928 | 0 |
| 121.125.3.25 | 2038235929 | 0 |
| 121.125.3.26 | 2038235930 | 0 |
| 121.125.3.27 | 2038235931 | 0 |
| 121.125.3.28 | 2038235932 | 0 |
| 121.125.3.29 | 2038235933 | 0 |
| 121.125.3.30 | 2038235934 | 0 |
| 121.125.3.31 | 2038235935 | 0 |
| 121.125.3.32 | 2038235936 | 0 |
| 121.125.3.33 | 2038235937 | 0 |
| 121.125.3.34 | 2038235938 | 0 |
| 121.125.3.35 | 2038235939 | 0 |
| 121.125.3.36 | 2038235940 | 0 |
| 121.125.3.37 | 2038235941 | 0 |
| 121.125.3.38 | 2038235942 | 0 |
| 121.125.3.39 | 2038235943 | 0 |
| 121.125.3.40 | 2038235944 | 0 |
| 121.125.3.41 | 2038235945 | 0 |
| 121.125.3.42 | 2038235946 | 0 |
| 121.125.3.43 | 2038235947 | 0 |
| 121.125.3.44 | 2038235948 | 0 |
| 121.125.3.45 | 2038235949 | 0 |
| 121.125.3.46 | 2038235950 | 0 |
| 121.125.3.47 | 2038235951 | 0 |
| 121.125.3.48 | 2038235952 | 0 |
| 121.125.3.49 | 2038235953 | 0 |
| 121.125.3.50 | 2038235954 | 0 |
| 121.125.3.51 | 2038235955 | 0 |
| 121.125.3.52 | 2038235956 | 0 |
| 121.125.3.53 | 2038235957 | 0 |
| 121.125.3.54 | 2038235958 | 0 |
| 121.125.3.55 | 2038235959 | 0 |
| 121.125.3.56 | 2038235960 | 0 |
| 121.125.3.57 | 2038235961 | 0 |
| 121.125.3.58 | 2038235962 | 0 |
| 121.125.3.59 | 2038235963 | 0 |
| 121.125.3.60 | 2038235964 | 0 |
| 121.125.3.61 | 2038235965 | 0 |
| 121.125.3.62 | 2038235966 | 0 |
| 121.125.3.63 | 2038235967 | 0 |
| 121.125.3.64 | 2038235968 | 0 |
| 121.125.3.65 | 2038235969 | 0 |
| 121.125.3.66 | 2038235970 | 0 |
| 121.125.3.67 | 2038235971 | 0 |
| 121.125.3.68 | 2038235972 | 0 |
| 121.125.3.69 | 2038235973 | 0 |
| 121.125.3.70 | 2038235974 | 0 |
| 121.125.3.71 | 2038235975 | 0 |
| 121.125.3.72 | 2038235976 | 0 |
| 121.125.3.73 | 2038235977 | 0 |
| 121.125.3.74 | 2038235978 | 0 |
| 121.125.3.75 | 2038235979 | 0 |
| 121.125.3.76 | 2038235980 | 0 |
| 121.125.3.77 | 2038235981 | 0 |
| 121.125.3.78 | 2038235982 | 0 |
| 121.125.3.79 | 2038235983 | 0 |
| 121.125.3.80 | 2038235984 | 0 |
| 121.125.3.81 | 2038235985 | 0 |
| 121.125.3.82 | 2038235986 | 0 |
| 121.125.3.83 | 2038235987 | 0 |
| 121.125.3.84 | 2038235988 | 0 |
| 121.125.3.85 | 2038235989 | 0 |