Les adresses IP débutant par 121.0.78 sont fournies par Dotname Korea Corp, elles appartiennent au CIDR (Classless Inter-Domain Routing) 121.0.64.0/18, le bloc IP comprant les adresses de 121.0.64.0 à 121.0.127.255). Le numéro de système autonome (ASN) est 18328.
| ASN | 18328 |
| IP commençant par | 121.0.64.0 |
| IP se terminant par | 121.0.127.255 |
| Nom ASN | Dotname Korea Corp |
| CDIR | 121.0.64.0/18 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 17/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | KR | Korea, Republic of | - | Seoul | 37,5683 | 126,9778 | 2017-08-17 |
| MaxMind | KR | Corée du Sud | - | - | 37,5112 | 126,9741 | 2017-08-17 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.0.78.0 | 2030063104 | 0 |
| 121.0.78.1 | 2030063105 | 0 |
| 121.0.78.2 | 2030063106 | 0 |
| 121.0.78.3 | 2030063107 | 0 |
| 121.0.78.4 | 2030063108 | 0 |
| 121.0.78.5 | 2030063109 | 0 |
| 121.0.78.6 | 2030063110 | 0 |
| 121.0.78.7 | 2030063111 | 0 |
| 121.0.78.8 | 2030063112 | 0 |
| 121.0.78.9 | 2030063113 | 0 |
| 121.0.78.10 | 2030063114 | 0 |
| 121.0.78.11 | 2030063115 | 0 |
| 121.0.78.12 | 2030063116 | 0 |
| 121.0.78.13 | 2030063117 | 0 |
| 121.0.78.14 | 2030063118 | 0 |
| 121.0.78.15 | 2030063119 | 0 |
| 121.0.78.16 | 2030063120 | 0 |
| 121.0.78.17 | 2030063121 | 0 |
| 121.0.78.18 | 2030063122 | 0 |
| 121.0.78.19 | 2030063123 | 0 |
| 121.0.78.20 | 2030063124 | 0 |
| 121.0.78.21 | 2030063125 | 0 |
| 121.0.78.22 | 2030063126 | 0 |
| 121.0.78.23 | 2030063127 | 0 |
| 121.0.78.24 | 2030063128 | 0 |
| 121.0.78.25 | 2030063129 | 0 |
| 121.0.78.26 | 2030063130 | 0 |
| 121.0.78.27 | 2030063131 | 0 |
| 121.0.78.28 | 2030063132 | 0 |
| 121.0.78.29 | 2030063133 | 0 |
| 121.0.78.30 | 2030063134 | 0 |
| 121.0.78.31 | 2030063135 | 0 |
| 121.0.78.32 | 2030063136 | 0 |
| 121.0.78.33 | 2030063137 | 0 |
| 121.0.78.34 | 2030063138 | 0 |
| 121.0.78.35 | 2030063139 | 0 |
| 121.0.78.36 | 2030063140 | 0 |
| 121.0.78.37 | 2030063141 | 0 |
| 121.0.78.38 | 2030063142 | 0 |
| 121.0.78.39 | 2030063143 | 0 |
| 121.0.78.40 | 2030063144 | 0 |
| 121.0.78.41 | 2030063145 | 0 |
| 121.0.78.42 | 2030063146 | 0 |
| 121.0.78.43 | 2030063147 | 0 |
| 121.0.78.44 | 2030063148 | 0 |
| 121.0.78.45 | 2030063149 | 0 |
| 121.0.78.46 | 2030063150 | 0 |
| 121.0.78.47 | 2030063151 | 0 |
| 121.0.78.48 | 2030063152 | 0 |
| 121.0.78.49 | 2030063153 | 0 |
| 121.0.78.50 | 2030063154 | 0 |
| 121.0.78.51 | 2030063155 | 0 |
| 121.0.78.52 | 2030063156 | 0 |
| 121.0.78.53 | 2030063157 | 0 |
| 121.0.78.54 | 2030063158 | 0 |
| 121.0.78.55 | 2030063159 | 0 |
| 121.0.78.56 | 2030063160 | 0 |
| 121.0.78.57 | 2030063161 | 0 |
| 121.0.78.58 | 2030063162 | 0 |
| 121.0.78.59 | 2030063163 | 0 |
| 121.0.78.60 | 2030063164 | 0 |
| 121.0.78.61 | 2030063165 | 0 |
| 121.0.78.62 | 2030063166 | 0 |
| 121.0.78.63 | 2030063167 | 0 |
| 121.0.78.64 | 2030063168 | 0 |
| 121.0.78.65 | 2030063169 | 0 |
| 121.0.78.66 | 2030063170 | 0 |
| 121.0.78.67 | 2030063171 | 0 |
| 121.0.78.68 | 2030063172 | 0 |
| 121.0.78.69 | 2030063173 | 0 |
| 121.0.78.70 | 2030063174 | 0 |
| 121.0.78.71 | 2030063175 | 0 |
| 121.0.78.72 | 2030063176 | 0 |
| 121.0.78.73 | 2030063177 | 0 |
| 121.0.78.74 | 2030063178 | 0 |
| 121.0.78.75 | 2030063179 | 0 |
| 121.0.78.76 | 2030063180 | 0 |
| 121.0.78.77 | 2030063181 | 0 |
| 121.0.78.78 | 2030063182 | 0 |
| 121.0.78.79 | 2030063183 | 0 |
| 121.0.78.80 | 2030063184 | 0 |
| 121.0.78.81 | 2030063185 | 0 |
| 121.0.78.82 | 2030063186 | 0 |
| 121.0.78.83 | 2030063187 | 0 |
| 121.0.78.84 | 2030063188 | 0 |
| 121.0.78.85 | 2030063189 | 0 |
| IP | Numerical IP | DNS |
| 121.0.78.86 | 2030063190 | 0 |
| 121.0.78.87 | 2030063191 | 0 |
| 121.0.78.88 | 2030063192 | 0 |
| 121.0.78.89 | 2030063193 | 0 |
| 121.0.78.90 | 2030063194 | 0 |
| 121.0.78.91 | 2030063195 | 0 |
| 121.0.78.92 | 2030063196 | 0 |
| 121.0.78.93 | 2030063197 | 0 |
| 121.0.78.94 | 2030063198 | 0 |
| 121.0.78.95 | 2030063199 | 0 |
| 121.0.78.96 | 2030063200 | 0 |
| 121.0.78.97 | 2030063201 | 0 |
| 121.0.78.98 | 2030063202 | 0 |
| 121.0.78.99 | 2030063203 | 0 |
| 121.0.78.100 | 2030063204 | 0 |
| 121.0.78.101 | 2030063205 | 0 |
| 121.0.78.102 | 2030063206 | 0 |
| 121.0.78.103 | 2030063207 | 0 |
| 121.0.78.104 | 2030063208 | 0 |
| 121.0.78.105 | 2030063209 | 0 |
| 121.0.78.106 | 2030063210 | 0 |
| 121.0.78.107 | 2030063211 | 0 |
| 121.0.78.108 | 2030063212 | 0 |
| 121.0.78.109 | 2030063213 | 0 |
| 121.0.78.110 | 2030063214 | 0 |
| 121.0.78.111 | 2030063215 | 0 |
| 121.0.78.112 | 2030063216 | 0 |
| 121.0.78.113 | 2030063217 | 0 |
| 121.0.78.114 | 2030063218 | 0 |
| 121.0.78.115 | 2030063219 | 0 |
| 121.0.78.116 | 2030063220 | 0 |
| 121.0.78.117 | 2030063221 | 0 |
| 121.0.78.118 | 2030063222 | 0 |
| 121.0.78.119 | 2030063223 | 0 |
| 121.0.78.120 | 2030063224 | 0 |
| 121.0.78.121 | 2030063225 | 0 |
| 121.0.78.122 | 2030063226 | 0 |
| 121.0.78.123 | 2030063227 | 0 |
| 121.0.78.124 | 2030063228 | 0 |
| 121.0.78.125 | 2030063229 | 0 |
| 121.0.78.126 | 2030063230 | 0 |
| 121.0.78.127 | 2030063231 | 0 |
| 121.0.78.128 | 2030063232 | 0 |
| 121.0.78.129 | 2030063233 | 0 |
| 121.0.78.130 | 2030063234 | 0 |
| 121.0.78.131 | 2030063235 | 0 |
| 121.0.78.132 | 2030063236 | 0 |
| 121.0.78.133 | 2030063237 | 0 |
| 121.0.78.134 | 2030063238 | 0 |
| 121.0.78.135 | 2030063239 | 0 |
| 121.0.78.136 | 2030063240 | 0 |
| 121.0.78.137 | 2030063241 | 0 |
| 121.0.78.138 | 2030063242 | 0 |
| 121.0.78.139 | 2030063243 | 0 |
| 121.0.78.140 | 2030063244 | 0 |
| 121.0.78.141 | 2030063245 | 0 |
| 121.0.78.142 | 2030063246 | 0 |
| 121.0.78.143 | 2030063247 | 0 |
| 121.0.78.144 | 2030063248 | 0 |
| 121.0.78.145 | 2030063249 | 0 |
| 121.0.78.146 | 2030063250 | 0 |
| 121.0.78.147 | 2030063251 | 0 |
| 121.0.78.148 | 2030063252 | 0 |
| 121.0.78.149 | 2030063253 | 0 |
| 121.0.78.150 | 2030063254 | 0 |
| 121.0.78.151 | 2030063255 | 0 |
| 121.0.78.152 | 2030063256 | 0 |
| 121.0.78.153 | 2030063257 | 0 |
| 121.0.78.154 | 2030063258 | 0 |
| 121.0.78.155 | 2030063259 | 0 |
| 121.0.78.156 | 2030063260 | 0 |
| 121.0.78.157 | 2030063261 | 0 |
| 121.0.78.158 | 2030063262 | 0 |
| 121.0.78.159 | 2030063263 | 0 |
| 121.0.78.160 | 2030063264 | 0 |
| 121.0.78.161 | 2030063265 | 0 |
| 121.0.78.162 | 2030063266 | 0 |
| 121.0.78.163 | 2030063267 | 0 |
| 121.0.78.164 | 2030063268 | 0 |
| 121.0.78.165 | 2030063269 | 0 |
| 121.0.78.166 | 2030063270 | 0 |
| 121.0.78.167 | 2030063271 | 0 |
| 121.0.78.168 | 2030063272 | 0 |
| 121.0.78.169 | 2030063273 | 0 |
| 121.0.78.170 | 2030063274 | 0 |
| 121.0.78.171 | 2030063275 | 0 |
| IP | Numerical IP | DNS |
| 121.0.78.172 | 2030063276 | 0 |
| 121.0.78.173 | 2030063277 | 0 |
| 121.0.78.174 | 2030063278 | 0 |
| 121.0.78.175 | 2030063279 | 0 |
| 121.0.78.176 | 2030063280 | 0 |
| 121.0.78.177 | 2030063281 | 0 |
| 121.0.78.178 | 2030063282 | 0 |
| 121.0.78.179 | 2030063283 | 0 |
| 121.0.78.180 | 2030063284 | 0 |
| 121.0.78.181 | 2030063285 | 0 |
| 121.0.78.182 | 2030063286 | 0 |
| 121.0.78.183 | 2030063287 | 0 |
| 121.0.78.184 | 2030063288 | 0 |
| 121.0.78.185 | 2030063289 | 0 |
| 121.0.78.186 | 2030063290 | 0 |
| 121.0.78.187 | 2030063291 | 0 |
| 121.0.78.188 | 2030063292 | 0 |
| 121.0.78.189 | 2030063293 | 0 |
| 121.0.78.190 | 2030063294 | 0 |
| 121.0.78.191 | 2030063295 | 0 |
| 121.0.78.192 | 2030063296 | 0 |
| 121.0.78.193 | 2030063297 | 0 |
| 121.0.78.194 | 2030063298 | 0 |
| 121.0.78.195 | 2030063299 | 0 |
| 121.0.78.196 | 2030063300 | 0 |
| 121.0.78.197 | 2030063301 | 0 |
| 121.0.78.198 | 2030063302 | 0 |
| 121.0.78.199 | 2030063303 | 0 |
| 121.0.78.200 | 2030063304 | 0 |
| 121.0.78.201 | 2030063305 | 0 |
| 121.0.78.202 | 2030063306 | 0 |
| 121.0.78.203 | 2030063307 | 0 |
| 121.0.78.204 | 2030063308 | 0 |
| 121.0.78.205 | 2030063309 | 0 |
| 121.0.78.206 | 2030063310 | 0 |
| 121.0.78.207 | 2030063311 | 0 |
| 121.0.78.208 | 2030063312 | 0 |
| 121.0.78.209 | 2030063313 | 0 |
| 121.0.78.210 | 2030063314 | 0 |
| 121.0.78.211 | 2030063315 | 0 |
| 121.0.78.212 | 2030063316 | 0 |
| 121.0.78.213 | 2030063317 | 0 |
| 121.0.78.214 | 2030063318 | 0 |
| 121.0.78.215 | 2030063319 | 0 |
| 121.0.78.216 | 2030063320 | 0 |
| 121.0.78.217 | 2030063321 | 0 |
| 121.0.78.218 | 2030063322 | 0 |
| 121.0.78.219 | 2030063323 | 0 |
| 121.0.78.220 | 2030063324 | 0 |
| 121.0.78.221 | 2030063325 | 0 |
| 121.0.78.222 | 2030063326 | 0 |
| 121.0.78.223 | 2030063327 | 0 |
| 121.0.78.224 | 2030063328 | 0 |
| 121.0.78.225 | 2030063329 | 0 |
| 121.0.78.226 | 2030063330 | 0 |
| 121.0.78.227 | 2030063331 | 0 |
| 121.0.78.228 | 2030063332 | 0 |
| 121.0.78.229 | 2030063333 | 0 |
| 121.0.78.230 | 2030063334 | 0 |
| 121.0.78.231 | 2030063335 | 0 |
| 121.0.78.232 | 2030063336 | 0 |
| 121.0.78.233 | 2030063337 | 0 |
| 121.0.78.234 | 2030063338 | 0 |
| 121.0.78.235 | 2030063339 | 0 |
| 121.0.78.236 | 2030063340 | 0 |
| 121.0.78.237 | 2030063341 | 0 |
| 121.0.78.238 | 2030063342 | 0 |
| 121.0.78.239 | 2030063343 | 0 |
| 121.0.78.240 | 2030063344 | 0 |
| 121.0.78.241 | 2030063345 | 0 |
| 121.0.78.242 | 2030063346 | 0 |
| 121.0.78.243 | 2030063347 | 0 |
| 121.0.78.244 | 2030063348 | 0 |
| 121.0.78.245 | 2030063349 | 0 |
| 121.0.78.246 | 2030063350 | 0 |
| 121.0.78.247 | 2030063351 | 0 |
| 121.0.78.248 | 2030063352 | 0 |
| 121.0.78.249 | 2030063353 | 0 |
| 121.0.78.250 | 2030063354 | 0 |
| 121.0.78.251 | 2030063355 | 0 |
| 121.0.78.252 | 2030063356 | 0 |
| 121.0.78.253 | 2030063357 | 0 |
| 121.0.78.254 | 2030063358 | 0 |
| 121.0.78.255 | 2030063359 | 0 |