Les adresses IP débutant par 42.19.78 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 | 06/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | KR | Korea, Republic of | - | Seoul | 37,5683 | 126,9778 | 2017-07-16 |
| MaxMind | KR | Corée du Sud | - | - | 37,5112 | 126,9741 | 2017-07-16 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 42.19.78.0 | 705908224 | 0 |
| 42.19.78.1 | 705908225 | 0 |
| 42.19.78.2 | 705908226 | 0 |
| 42.19.78.3 | 705908227 | 0 |
| 42.19.78.4 | 705908228 | 0 |
| 42.19.78.5 | 705908229 | 0 |
| 42.19.78.6 | 705908230 | 0 |
| 42.19.78.7 | 705908231 | 0 |
| 42.19.78.8 | 705908232 | 0 |
| 42.19.78.9 | 705908233 | 0 |
| 42.19.78.10 | 705908234 | 0 |
| 42.19.78.11 | 705908235 | 0 |
| 42.19.78.12 | 705908236 | 0 |
| 42.19.78.13 | 705908237 | 0 |
| 42.19.78.14 | 705908238 | 0 |
| 42.19.78.15 | 705908239 | 0 |
| 42.19.78.16 | 705908240 | 0 |
| 42.19.78.17 | 705908241 | 0 |
| 42.19.78.18 | 705908242 | 0 |
| 42.19.78.19 | 705908243 | 0 |
| 42.19.78.20 | 705908244 | 0 |
| 42.19.78.21 | 705908245 | 0 |
| 42.19.78.22 | 705908246 | 0 |
| 42.19.78.23 | 705908247 | 0 |
| 42.19.78.24 | 705908248 | 0 |
| 42.19.78.25 | 705908249 | 0 |
| 42.19.78.26 | 705908250 | 0 |
| 42.19.78.27 | 705908251 | 0 |
| 42.19.78.28 | 705908252 | 0 |
| 42.19.78.29 | 705908253 | 0 |
| 42.19.78.30 | 705908254 | 0 |
| 42.19.78.31 | 705908255 | 0 |
| 42.19.78.32 | 705908256 | 0 |
| 42.19.78.33 | 705908257 | 0 |
| 42.19.78.34 | 705908258 | 0 |
| 42.19.78.35 | 705908259 | 0 |
| 42.19.78.36 | 705908260 | 0 |
| 42.19.78.37 | 705908261 | 0 |
| 42.19.78.38 | 705908262 | 0 |
| 42.19.78.39 | 705908263 | 0 |
| 42.19.78.40 | 705908264 | 0 |
| 42.19.78.41 | 705908265 | 0 |
| 42.19.78.42 | 705908266 | 0 |
| 42.19.78.43 | 705908267 | 0 |
| 42.19.78.44 | 705908268 | 0 |
| 42.19.78.45 | 705908269 | 0 |
| 42.19.78.46 | 705908270 | 0 |
| 42.19.78.47 | 705908271 | 0 |
| 42.19.78.48 | 705908272 | 0 |
| 42.19.78.49 | 705908273 | 0 |
| 42.19.78.50 | 705908274 | 0 |
| 42.19.78.51 | 705908275 | 0 |
| 42.19.78.52 | 705908276 | 0 |
| 42.19.78.53 | 705908277 | 0 |
| 42.19.78.54 | 705908278 | 0 |
| 42.19.78.55 | 705908279 | 0 |
| 42.19.78.56 | 705908280 | 0 |
| 42.19.78.57 | 705908281 | 0 |
| 42.19.78.58 | 705908282 | 0 |
| 42.19.78.59 | 705908283 | 0 |
| 42.19.78.60 | 705908284 | 0 |
| 42.19.78.61 | 705908285 | 0 |
| 42.19.78.62 | 705908286 | 0 |
| 42.19.78.63 | 705908287 | 0 |
| 42.19.78.64 | 705908288 | 0 |
| 42.19.78.65 | 705908289 | 0 |
| 42.19.78.66 | 705908290 | 0 |
| 42.19.78.67 | 705908291 | 0 |
| 42.19.78.68 | 705908292 | 0 |
| 42.19.78.69 | 705908293 | 0 |
| 42.19.78.70 | 705908294 | 0 |
| 42.19.78.71 | 705908295 | 0 |
| 42.19.78.72 | 705908296 | 0 |
| 42.19.78.73 | 705908297 | 0 |
| 42.19.78.74 | 705908298 | 0 |
| 42.19.78.75 | 705908299 | 0 |
| 42.19.78.76 | 705908300 | 0 |
| 42.19.78.77 | 705908301 | 0 |
| 42.19.78.78 | 705908302 | 0 |
| 42.19.78.79 | 705908303 | 0 |
| 42.19.78.80 | 705908304 | 0 |
| 42.19.78.81 | 705908305 | 0 |
| 42.19.78.82 | 705908306 | 0 |
| 42.19.78.83 | 705908307 | 0 |
| 42.19.78.84 | 705908308 | 0 |
| 42.19.78.85 | 705908309 | 0 |