La dirección IP 42.21.11 es proporcionada por SK Telecom, que es propiedad de la CIDR (Classless Inter-Domain Routing) 42.16.0.0/12, IP entre 42.16.0.0 a 42.31.255.255 ). El número de sistema autónomo (ASN) es 9644.
| ASN | 9644 |
| IP que comienzan con | 42.16.0.0 |
| IP que termina con | 42.31.255.255 |
| ASN Nombre | SK Telecom |
| CDIR | 42.16.0.0/12 |
| IP numérica | |
| Registe | apnic |
| Última actualización | 21/10/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | KR | Korea, Republic of | - | Seoul | 37,5683 | 126,9778 | 2017-10-21 |
| MaxMind | KR | Corea del Sur | - | - | 37,5112 | 126,9741 | 2017-10-21 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 42.21.11.0 | 706022144 | 0 |
| 42.21.11.1 | 706022145 | 0 |
| 42.21.11.2 | 706022146 | 0 |
| 42.21.11.3 | 706022147 | 0 |
| 42.21.11.4 | 706022148 | 0 |
| 42.21.11.5 | 706022149 | 0 |
| 42.21.11.6 | 706022150 | 0 |
| 42.21.11.7 | 706022151 | 0 |
| 42.21.11.8 | 706022152 | 0 |
| 42.21.11.9 | 706022153 | 0 |
| 42.21.11.10 | 706022154 | 0 |
| 42.21.11.11 | 706022155 | 0 |
| 42.21.11.12 | 706022156 | 0 |
| 42.21.11.13 | 706022157 | 0 |
| 42.21.11.14 | 706022158 | 0 |
| 42.21.11.15 | 706022159 | 0 |
| 42.21.11.16 | 706022160 | 0 |
| 42.21.11.17 | 706022161 | 0 |
| 42.21.11.18 | 706022162 | 0 |
| 42.21.11.19 | 706022163 | 0 |
| 42.21.11.20 | 706022164 | 0 |
| 42.21.11.21 | 706022165 | 0 |
| 42.21.11.22 | 706022166 | 0 |
| 42.21.11.23 | 706022167 | 0 |
| 42.21.11.24 | 706022168 | 0 |
| 42.21.11.25 | 706022169 | 0 |
| 42.21.11.26 | 706022170 | 0 |
| 42.21.11.27 | 706022171 | 0 |
| 42.21.11.28 | 706022172 | 0 |
| 42.21.11.29 | 706022173 | 0 |
| 42.21.11.30 | 706022174 | 0 |
| 42.21.11.31 | 706022175 | 0 |
| 42.21.11.32 | 706022176 | 0 |
| 42.21.11.33 | 706022177 | 0 |
| 42.21.11.34 | 706022178 | 0 |
| 42.21.11.35 | 706022179 | 0 |
| 42.21.11.36 | 706022180 | 0 |
| 42.21.11.37 | 706022181 | 0 |
| 42.21.11.38 | 706022182 | 0 |
| 42.21.11.39 | 706022183 | 0 |
| 42.21.11.40 | 706022184 | 0 |
| 42.21.11.41 | 706022185 | 0 |
| 42.21.11.42 | 706022186 | 0 |
| 42.21.11.43 | 706022187 | 0 |
| 42.21.11.44 | 706022188 | 0 |
| 42.21.11.45 | 706022189 | 0 |
| 42.21.11.46 | 706022190 | 0 |
| 42.21.11.47 | 706022191 | 0 |
| 42.21.11.48 | 706022192 | 0 |
| 42.21.11.49 | 706022193 | 0 |
| 42.21.11.50 | 706022194 | 0 |
| 42.21.11.51 | 706022195 | 0 |
| 42.21.11.52 | 706022196 | 0 |
| 42.21.11.53 | 706022197 | 0 |
| 42.21.11.54 | 706022198 | 0 |
| 42.21.11.55 | 706022199 | 0 |
| 42.21.11.56 | 706022200 | 0 |
| 42.21.11.57 | 706022201 | 0 |
| 42.21.11.58 | 706022202 | 0 |
| 42.21.11.59 | 706022203 | 0 |
| 42.21.11.60 | 706022204 | 0 |
| 42.21.11.61 | 706022205 | 0 |
| 42.21.11.62 | 706022206 | 0 |
| 42.21.11.63 | 706022207 | 0 |
| 42.21.11.64 | 706022208 | 0 |
| 42.21.11.65 | 706022209 | 0 |
| 42.21.11.66 | 706022210 | 0 |
| 42.21.11.67 | 706022211 | 0 |
| 42.21.11.68 | 706022212 | 0 |
| 42.21.11.69 | 706022213 | 0 |
| 42.21.11.70 | 706022214 | 0 |
| 42.21.11.71 | 706022215 | 0 |
| 42.21.11.72 | 706022216 | 0 |
| 42.21.11.73 | 706022217 | 0 |
| 42.21.11.74 | 706022218 | 0 |
| 42.21.11.75 | 706022219 | 0 |
| 42.21.11.76 | 706022220 | 0 |
| 42.21.11.77 | 706022221 | 0 |
| 42.21.11.78 | 706022222 | 0 |
| 42.21.11.79 | 706022223 | 0 |
| 42.21.11.80 | 706022224 | 0 |
| 42.21.11.81 | 706022225 | 0 |
| 42.21.11.82 | 706022226 | 0 |
| 42.21.11.83 | 706022227 | 0 |
| 42.21.11.84 | 706022228 | 0 |
| 42.21.11.85 | 706022229 | 0 |