Les adresses IP débutant par 203.231.5 sont fournies par Sejong Telecom, elles appartiennent au CIDR (Classless Inter-Domain Routing) 203.231.0.0/16, le bloc IP comprant les adresses de 203.231.0.0 à 203.231.255.255). Le numéro de système autonome (ASN) est 9848.
| ASN | 9848 |
| IP commençant par | 203.231.0.0 |
| IP se terminant par | 203.231.255.255 |
| Nom ASN | Sejong Telecom |
| CDIR | 203.231.0.0/16 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 05/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | KR | Korea, Republic of | - | Seoul | 37,5683 | 126,9778 | 2017-07-05 |
| MaxMind | KR | Corée du Sud | - | - | 37,5112 | 126,9741 | 2017-07-05 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 203.231.5.0 | 3420914944 | 0 |
| 203.231.5.1 | 3420914945 | 0 |
| 203.231.5.2 | 3420914946 | 0 |
| 203.231.5.3 | 3420914947 | 0 |
| 203.231.5.4 | 3420914948 | 0 |
| 203.231.5.5 | 3420914949 | 0 |
| 203.231.5.6 | 3420914950 | 0 |
| 203.231.5.7 | 3420914951 | 0 |
| 203.231.5.8 | 3420914952 | 0 |
| 203.231.5.9 | 3420914953 | 0 |
| 203.231.5.10 | 3420914954 | 0 |
| 203.231.5.11 | 3420914955 | 0 |
| 203.231.5.12 | 3420914956 | 0 |
| 203.231.5.13 | 3420914957 | 0 |
| 203.231.5.14 | 3420914958 | 0 |
| 203.231.5.15 | 3420914959 | 0 |
| 203.231.5.16 | 3420914960 | 0 |
| 203.231.5.17 | 3420914961 | 0 |
| 203.231.5.18 | 3420914962 | 0 |
| 203.231.5.19 | 3420914963 | 0 |
| 203.231.5.20 | 3420914964 | 0 |
| 203.231.5.21 | 3420914965 | 0 |
| 203.231.5.22 | 3420914966 | 0 |
| 203.231.5.23 | 3420914967 | 0 |
| 203.231.5.24 | 3420914968 | 0 |
| 203.231.5.25 | 3420914969 | 0 |
| 203.231.5.26 | 3420914970 | 0 |
| 203.231.5.27 | 3420914971 | 0 |
| 203.231.5.28 | 3420914972 | 0 |
| 203.231.5.29 | 3420914973 | 0 |
| 203.231.5.30 | 3420914974 | 0 |
| 203.231.5.31 | 3420914975 | 0 |
| 203.231.5.32 | 3420914976 | 0 |
| 203.231.5.33 | 3420914977 | 0 |
| 203.231.5.34 | 3420914978 | 0 |
| 203.231.5.35 | 3420914979 | 0 |
| 203.231.5.36 | 3420914980 | 0 |
| 203.231.5.37 | 3420914981 | 0 |
| 203.231.5.38 | 3420914982 | 0 |
| 203.231.5.39 | 3420914983 | 0 |
| 203.231.5.40 | 3420914984 | 0 |
| 203.231.5.41 | 3420914985 | 0 |
| 203.231.5.42 | 3420914986 | 0 |
| 203.231.5.43 | 3420914987 | 0 |
| 203.231.5.44 | 3420914988 | 0 |
| 203.231.5.45 | 3420914989 | 0 |
| 203.231.5.46 | 3420914990 | 0 |
| 203.231.5.47 | 3420914991 | 0 |
| 203.231.5.48 | 3420914992 | 0 |
| 203.231.5.49 | 3420914993 | 0 |
| 203.231.5.50 | 3420914994 | 0 |
| 203.231.5.51 | 3420914995 | 0 |
| 203.231.5.52 | 3420914996 | 0 |
| 203.231.5.53 | 3420914997 | 0 |
| 203.231.5.54 | 3420914998 | 0 |
| 203.231.5.55 | 3420914999 | 0 |
| 203.231.5.56 | 3420915000 | 0 |
| 203.231.5.57 | 3420915001 | 0 |
| 203.231.5.58 | 3420915002 | 0 |
| 203.231.5.59 | 3420915003 | 0 |
| 203.231.5.60 | 3420915004 | 0 |
| 203.231.5.61 | 3420915005 | 0 |
| 203.231.5.62 | 3420915006 | 0 |
| 203.231.5.63 | 3420915007 | 0 |
| 203.231.5.64 | 3420915008 | 0 |
| 203.231.5.65 | 3420915009 | 0 |
| 203.231.5.66 | 3420915010 | 0 |
| 203.231.5.67 | 3420915011 | 0 |
| 203.231.5.68 | 3420915012 | 0 |
| 203.231.5.69 | 3420915013 | 0 |
| 203.231.5.70 | 3420915014 | 0 |
| 203.231.5.71 | 3420915015 | 0 |
| 203.231.5.72 | 3420915016 | 0 |
| 203.231.5.73 | 3420915017 | 0 |
| 203.231.5.74 | 3420915018 | 0 |
| 203.231.5.75 | 3420915019 | 0 |
| 203.231.5.76 | 3420915020 | 0 |
| 203.231.5.77 | 3420915021 | 0 |
| 203.231.5.78 | 3420915022 | 0 |
| 203.231.5.79 | 3420915023 | 0 |
| 203.231.5.80 | 3420915024 | 0 |
| 203.231.5.81 | 3420915025 | 0 |
| 203.231.5.82 | 3420915026 | 0 |
| 203.231.5.83 | 3420915027 | 0 |
| 203.231.5.84 | 3420915028 | 0 |
| 203.231.5.85 | 3420915029 | 0 |