Les adresses IP débutant par 42.8.221 sont fournies par SK Telecom, elles appartiennent au CIDR (Classless Inter-Domain Routing) 42.16.0.0/12, le bloc IP comprant les adresses de 42.16.0.0 à 42.31.255.255). Le numéro de système autonome (ASN) est 9644.
| ASN | 9644 |
| IP commençant par | 42.16.0.0 |
| IP se terminant par | 42.31.255.255 |
| Nom ASN | SK Telecom |
| CDIR | 42.16.0.0/12 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 25/01/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | KR | Korea, Republic of | - | Seoul | 37,5683 | 126,9778 | 2018-01-24 |
| MaxMind | KR | Corée du Sud | - | - | 37,5112 | 126,9741 | 2018-01-24 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 42.8.221.0 | 705223936 | 0 |
| 42.8.221.1 | 705223937 | 0 |
| 42.8.221.2 | 705223938 | 0 |
| 42.8.221.3 | 705223939 | 0 |
| 42.8.221.4 | 705223940 | 0 |
| 42.8.221.5 | 705223941 | 0 |
| 42.8.221.6 | 705223942 | 0 |
| 42.8.221.7 | 705223943 | 0 |
| 42.8.221.8 | 705223944 | 0 |
| 42.8.221.9 | 705223945 | 0 |
| 42.8.221.10 | 705223946 | 0 |
| 42.8.221.11 | 705223947 | 0 |
| 42.8.221.12 | 705223948 | 0 |
| 42.8.221.13 | 705223949 | 0 |
| 42.8.221.14 | 705223950 | 0 |
| 42.8.221.15 | 705223951 | 0 |
| 42.8.221.16 | 705223952 | 0 |
| 42.8.221.17 | 705223953 | 0 |
| 42.8.221.18 | 705223954 | 0 |
| 42.8.221.19 | 705223955 | 0 |
| 42.8.221.20 | 705223956 | 0 |
| 42.8.221.21 | 705223957 | 0 |
| 42.8.221.22 | 705223958 | 0 |
| 42.8.221.23 | 705223959 | 0 |
| 42.8.221.24 | 705223960 | 0 |
| 42.8.221.25 | 705223961 | 0 |
| 42.8.221.26 | 705223962 | 0 |
| 42.8.221.27 | 705223963 | 0 |
| 42.8.221.28 | 705223964 | 0 |
| 42.8.221.29 | 705223965 | 0 |
| 42.8.221.30 | 705223966 | 0 |
| 42.8.221.31 | 705223967 | 0 |
| 42.8.221.32 | 705223968 | 0 |
| 42.8.221.33 | 705223969 | 0 |
| 42.8.221.34 | 705223970 | 0 |
| 42.8.221.35 | 705223971 | 0 |
| 42.8.221.36 | 705223972 | 0 |
| 42.8.221.37 | 705223973 | 0 |
| 42.8.221.38 | 705223974 | 0 |
| 42.8.221.39 | 705223975 | 0 |
| 42.8.221.40 | 705223976 | 0 |
| 42.8.221.41 | 705223977 | 0 |
| 42.8.221.42 | 705223978 | 0 |
| 42.8.221.43 | 705223979 | 0 |
| 42.8.221.44 | 705223980 | 0 |
| 42.8.221.45 | 705223981 | 0 |
| 42.8.221.46 | 705223982 | 0 |
| 42.8.221.47 | 705223983 | 0 |
| 42.8.221.48 | 705223984 | 0 |
| 42.8.221.49 | 705223985 | 0 |
| 42.8.221.50 | 705223986 | 0 |
| 42.8.221.51 | 705223987 | 0 |
| 42.8.221.52 | 705223988 | 0 |
| 42.8.221.53 | 705223989 | 0 |
| 42.8.221.54 | 705223990 | 0 |
| 42.8.221.55 | 705223991 | 0 |
| 42.8.221.56 | 705223992 | 0 |
| 42.8.221.57 | 705223993 | 0 |
| 42.8.221.58 | 705223994 | 0 |
| 42.8.221.59 | 705223995 | 0 |
| 42.8.221.60 | 705223996 | 0 |
| 42.8.221.61 | 705223997 | 0 |
| 42.8.221.62 | 705223998 | 0 |
| 42.8.221.63 | 705223999 | 0 |
| 42.8.221.64 | 705224000 | 0 |
| 42.8.221.65 | 705224001 | 0 |
| 42.8.221.66 | 705224002 | 0 |
| 42.8.221.67 | 705224003 | 0 |
| 42.8.221.68 | 705224004 | 0 |
| 42.8.221.69 | 705224005 | 0 |
| 42.8.221.70 | 705224006 | 0 |
| 42.8.221.71 | 705224007 | 0 |
| 42.8.221.72 | 705224008 | 0 |
| 42.8.221.73 | 705224009 | 0 |
| 42.8.221.74 | 705224010 | 0 |
| 42.8.221.75 | 705224011 | 0 |
| 42.8.221.76 | 705224012 | 0 |
| 42.8.221.77 | 705224013 | 0 |
| 42.8.221.78 | 705224014 | 0 |
| 42.8.221.79 | 705224015 | 0 |
| 42.8.221.80 | 705224016 | 0 |
| 42.8.221.81 | 705224017 | 0 |
| 42.8.221.82 | 705224018 | 0 |
| 42.8.221.83 | 705224019 | 0 |
| 42.8.221.84 | 705224020 | 0 |
| 42.8.221.85 | 705224021 | 0 |