Les adresses IP débutant par 223.56.55 sont fournies par SK Telecom, elles appartiennent au CIDR (Classless Inter-Domain Routing) 223.32.0.0/11, le bloc IP comprant les adresses de 223.32.0.0 à 223.63.255.255). Le numéro de système autonome (ASN) est 9644.
| ASN | 9644 |
| IP commençant par | 223.32.0.0 |
| IP se terminant par | 223.63.255.255 |
| Nom ASN | SK Telecom |
| CDIR | 223.32.0.0/11 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 07/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | KR | Korea, Republic of | - | Seoul | 37,5683 | 126,9778 | 2017-08-06 |
| MaxMind | KR | Corée du Sud | - | - | 37,5112 | 126,9741 | 2017-08-06 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 223.56.55.0 | 3745003264 | 0 |
| 223.56.55.1 | 3745003265 | 0 |
| 223.56.55.2 | 3745003266 | 0 |
| 223.56.55.3 | 3745003267 | 0 |
| 223.56.55.4 | 3745003268 | 0 |
| 223.56.55.5 | 3745003269 | 0 |
| 223.56.55.6 | 3745003270 | 0 |
| 223.56.55.7 | 3745003271 | 0 |
| 223.56.55.8 | 3745003272 | 0 |
| 223.56.55.9 | 3745003273 | 0 |
| 223.56.55.10 | 3745003274 | 0 |
| 223.56.55.11 | 3745003275 | 0 |
| 223.56.55.12 | 3745003276 | 0 |
| 223.56.55.13 | 3745003277 | 0 |
| 223.56.55.14 | 3745003278 | 0 |
| 223.56.55.15 | 3745003279 | 0 |
| 223.56.55.16 | 3745003280 | 0 |
| 223.56.55.17 | 3745003281 | 0 |
| 223.56.55.18 | 3745003282 | 0 |
| 223.56.55.19 | 3745003283 | 0 |
| 223.56.55.20 | 3745003284 | 0 |
| 223.56.55.21 | 3745003285 | 0 |
| 223.56.55.22 | 3745003286 | 0 |
| 223.56.55.23 | 3745003287 | 0 |
| 223.56.55.24 | 3745003288 | 0 |
| 223.56.55.25 | 3745003289 | 0 |
| 223.56.55.26 | 3745003290 | 0 |
| 223.56.55.27 | 3745003291 | 0 |
| 223.56.55.28 | 3745003292 | 0 |
| 223.56.55.29 | 3745003293 | 0 |
| 223.56.55.30 | 3745003294 | 0 |
| 223.56.55.31 | 3745003295 | 0 |
| 223.56.55.32 | 3745003296 | 0 |
| 223.56.55.33 | 3745003297 | 0 |
| 223.56.55.34 | 3745003298 | 0 |
| 223.56.55.35 | 3745003299 | 0 |
| 223.56.55.36 | 3745003300 | 0 |
| 223.56.55.37 | 3745003301 | 0 |
| 223.56.55.38 | 3745003302 | 0 |
| 223.56.55.39 | 3745003303 | 0 |
| 223.56.55.40 | 3745003304 | 0 |
| 223.56.55.41 | 3745003305 | 0 |
| 223.56.55.42 | 3745003306 | 0 |
| 223.56.55.43 | 3745003307 | 0 |
| 223.56.55.44 | 3745003308 | 0 |
| 223.56.55.45 | 3745003309 | 0 |
| 223.56.55.46 | 3745003310 | 0 |
| 223.56.55.47 | 3745003311 | 0 |
| 223.56.55.48 | 3745003312 | 0 |
| 223.56.55.49 | 3745003313 | 0 |
| 223.56.55.50 | 3745003314 | 0 |
| 223.56.55.51 | 3745003315 | 0 |
| 223.56.55.52 | 3745003316 | 0 |
| 223.56.55.53 | 3745003317 | 0 |
| 223.56.55.54 | 3745003318 | 0 |
| 223.56.55.55 | 3745003319 | 0 |
| 223.56.55.56 | 3745003320 | 0 |
| 223.56.55.57 | 3745003321 | 0 |
| 223.56.55.58 | 3745003322 | 0 |
| 223.56.55.59 | 3745003323 | 0 |
| 223.56.55.60 | 3745003324 | 0 |
| 223.56.55.61 | 3745003325 | 0 |
| 223.56.55.62 | 3745003326 | 0 |
| 223.56.55.63 | 3745003327 | 0 |
| 223.56.55.64 | 3745003328 | 0 |
| 223.56.55.65 | 3745003329 | 0 |
| 223.56.55.66 | 3745003330 | 0 |
| 223.56.55.67 | 3745003331 | 0 |
| 223.56.55.68 | 3745003332 | 0 |
| 223.56.55.69 | 3745003333 | 0 |
| 223.56.55.70 | 3745003334 | 0 |
| 223.56.55.71 | 3745003335 | 0 |
| 223.56.55.72 | 3745003336 | 0 |
| 223.56.55.73 | 3745003337 | 0 |
| 223.56.55.74 | 3745003338 | 0 |
| 223.56.55.75 | 3745003339 | 0 |
| 223.56.55.76 | 3745003340 | 0 |
| 223.56.55.77 | 3745003341 | 0 |
| 223.56.55.78 | 3745003342 | 0 |
| 223.56.55.79 | 3745003343 | 0 |
| 223.56.55.80 | 3745003344 | 0 |
| 223.56.55.81 | 3745003345 | 0 |
| 223.56.55.82 | 3745003346 | 0 |
| 223.56.55.83 | 3745003347 | 0 |
| 223.56.55.84 | 3745003348 | 0 |
| 223.56.55.85 | 3745003349 | 0 |