Les adresses IP débutant par 121.161.2 sont fournies par Korea Telecom, elles appartiennent au CIDR (Classless Inter-Domain Routing) 121.160.0.0/11, le bloc IP comprant les adresses de 121.160.0.0 à 121.191.255.255). Le numéro de système autonome (ASN) est 4766.
| ASN | 4766 |
| IP commençant par | 121.160.0.0 |
| IP se terminant par | 121.191.255.255 |
| Nom ASN | Korea Telecom |
| CDIR | 121.160.0.0/11 |
| IP numérique | |
| Registe | |
| Dernière mise à jour | 24/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | KR | Korea, Republic of | - | Seoul | 37,5683 | 126,9778 | 2017-09-24 |
| MaxMind | KR | Corée du Sud | - | Koyang-dong | 37,6564 | 126,835 | 2017-09-24 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.161.2.0 | 2040594944 | 0 |
| 121.161.2.1 | 2040594945 | 0 |
| 121.161.2.2 | 2040594946 | 0 |
| 121.161.2.3 | 2040594947 | 0 |
| 121.161.2.4 | 2040594948 | 0 |
| 121.161.2.5 | 2040594949 | 0 |
| 121.161.2.6 | 2040594950 | 0 |
| 121.161.2.7 | 2040594951 | 0 |
| 121.161.2.8 | 2040594952 | 0 |
| 121.161.2.9 | 2040594953 | 0 |
| 121.161.2.10 | 2040594954 | 0 |
| 121.161.2.11 | 2040594955 | 0 |
| 121.161.2.12 | 2040594956 | 0 |
| 121.161.2.13 | 2040594957 | 0 |
| 121.161.2.14 | 2040594958 | 0 |
| 121.161.2.15 | 2040594959 | 0 |
| 121.161.2.16 | 2040594960 | 0 |
| 121.161.2.17 | 2040594961 | 0 |
| 121.161.2.18 | 2040594962 | 0 |
| 121.161.2.19 | 2040594963 | 0 |
| 121.161.2.20 | 2040594964 | 0 |
| 121.161.2.21 | 2040594965 | 0 |
| 121.161.2.22 | 2040594966 | 0 |
| 121.161.2.23 | 2040594967 | 0 |
| 121.161.2.24 | 2040594968 | 0 |
| 121.161.2.25 | 2040594969 | 0 |
| 121.161.2.26 | 2040594970 | 0 |
| 121.161.2.27 | 2040594971 | 0 |
| 121.161.2.28 | 2040594972 | 0 |
| 121.161.2.29 | 2040594973 | 0 |
| 121.161.2.30 | 2040594974 | 0 |
| 121.161.2.31 | 2040594975 | 0 |
| 121.161.2.32 | 2040594976 | 0 |
| 121.161.2.33 | 2040594977 | 0 |
| 121.161.2.34 | 2040594978 | 0 |
| 121.161.2.35 | 2040594979 | 0 |
| 121.161.2.36 | 2040594980 | 0 |
| 121.161.2.37 | 2040594981 | 0 |
| 121.161.2.38 | 2040594982 | 0 |
| 121.161.2.39 | 2040594983 | 0 |
| 121.161.2.40 | 2040594984 | 0 |
| 121.161.2.41 | 2040594985 | 0 |
| 121.161.2.42 | 2040594986 | 0 |
| 121.161.2.43 | 2040594987 | 0 |
| 121.161.2.44 | 2040594988 | 0 |
| 121.161.2.45 | 2040594989 | 0 |
| 121.161.2.46 | 2040594990 | 0 |
| 121.161.2.47 | 2040594991 | 0 |
| 121.161.2.48 | 2040594992 | 0 |
| 121.161.2.49 | 2040594993 | 0 |
| 121.161.2.50 | 2040594994 | 0 |
| 121.161.2.51 | 2040594995 | 0 |
| 121.161.2.52 | 2040594996 | 0 |
| 121.161.2.53 | 2040594997 | 0 |
| 121.161.2.54 | 2040594998 | 0 |
| 121.161.2.55 | 2040594999 | 0 |
| 121.161.2.56 | 2040595000 | 0 |
| 121.161.2.57 | 2040595001 | 0 |
| 121.161.2.58 | 2040595002 | 0 |
| 121.161.2.59 | 2040595003 | 0 |
| 121.161.2.60 | 2040595004 | 0 |
| 121.161.2.61 | 2040595005 | 0 |
| 121.161.2.62 | 2040595006 | 0 |
| 121.161.2.63 | 2040595007 | 0 |
| 121.161.2.64 | 2040595008 | 0 |
| 121.161.2.65 | 2040595009 | 0 |
| 121.161.2.66 | 2040595010 | 0 |
| 121.161.2.67 | 2040595011 | 0 |
| 121.161.2.68 | 2040595012 | 0 |
| 121.161.2.69 | 2040595013 | 0 |
| 121.161.2.70 | 2040595014 | 0 |
| 121.161.2.71 | 2040595015 | 0 |
| 121.161.2.72 | 2040595016 | 0 |
| 121.161.2.73 | 2040595017 | 0 |
| 121.161.2.74 | 2040595018 | 0 |
| 121.161.2.75 | 2040595019 | 0 |
| 121.161.2.76 | 2040595020 | 0 |
| 121.161.2.77 | 2040595021 | 0 |
| 121.161.2.78 | 2040595022 | 0 |
| 121.161.2.79 | 2040595023 | 0 |
| 121.161.2.80 | 2040595024 | 0 |
| 121.161.2.81 | 2040595025 | 0 |
| 121.161.2.82 | 2040595026 | 0 |
| 121.161.2.83 | 2040595027 | 0 |
| 121.161.2.84 | 2040595028 | 0 |
| 121.161.2.85 | 2040595029 | 0 |