L'indirizzo IP 121.78.21 è fornito da Kinx, che è di proprietà del CIDR (Classless Inter-Domain Routing) 121.78.0.0/18, IP tra 121.78.0.0 a 121.78.63.255 ). Il numero di sistema autonomo (ASN) è 9286.
| ASN | 9286 |
| IP inizia con | 121.78.0.0 |
| IP finale con | 121.78.63.255 |
| ASN Nome | Kinx |
| CDIR | 121.78.0.0/18 |
| IP numerico | |
| Registe | apnic |
| Ultimo aggiornamento | 21/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | KR | Korea, Republic of | - | Seoul | 37,5683 | 126,9778 | 2017-07-21 |
| MaxMind | KR | Republic of Korea | - | - | 37,5112 | 126,9741 | 2017-07-21 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.78.21.0 | 2035160320 | 0 |
| 121.78.21.1 | 2035160321 | 0 |
| 121.78.21.2 | 2035160322 | 0 |
| 121.78.21.3 | 2035160323 | 0 |
| 121.78.21.4 | 2035160324 | 0 |
| 121.78.21.5 | 2035160325 | 0 |
| 121.78.21.6 | 2035160326 | 0 |
| 121.78.21.7 | 2035160327 | 0 |
| 121.78.21.8 | 2035160328 | 0 |
| 121.78.21.9 | 2035160329 | 0 |
| 121.78.21.10 | 2035160330 | 0 |
| 121.78.21.11 | 2035160331 | 0 |
| 121.78.21.12 | 2035160332 | 0 |
| 121.78.21.13 | 2035160333 | 0 |
| 121.78.21.14 | 2035160334 | 0 |
| 121.78.21.15 | 2035160335 | 0 |
| 121.78.21.16 | 2035160336 | 0 |
| 121.78.21.17 | 2035160337 | 0 |
| 121.78.21.18 | 2035160338 | 0 |
| 121.78.21.19 | 2035160339 | 0 |
| 121.78.21.20 | 2035160340 | 0 |
| 121.78.21.21 | 2035160341 | 0 |
| 121.78.21.22 | 2035160342 | 0 |
| 121.78.21.23 | 2035160343 | 0 |
| 121.78.21.24 | 2035160344 | 0 |
| 121.78.21.25 | 2035160345 | 0 |
| 121.78.21.26 | 2035160346 | 0 |
| 121.78.21.27 | 2035160347 | 0 |
| 121.78.21.28 | 2035160348 | 0 |
| 121.78.21.29 | 2035160349 | 0 |
| 121.78.21.30 | 2035160350 | 0 |
| 121.78.21.31 | 2035160351 | 0 |
| 121.78.21.32 | 2035160352 | 0 |
| 121.78.21.33 | 2035160353 | 0 |
| 121.78.21.34 | 2035160354 | 0 |
| 121.78.21.35 | 2035160355 | 0 |
| 121.78.21.36 | 2035160356 | 0 |
| 121.78.21.37 | 2035160357 | 0 |
| 121.78.21.38 | 2035160358 | 0 |
| 121.78.21.39 | 2035160359 | 0 |
| 121.78.21.40 | 2035160360 | 0 |
| 121.78.21.41 | 2035160361 | 0 |
| 121.78.21.42 | 2035160362 | 0 |
| 121.78.21.43 | 2035160363 | 0 |
| 121.78.21.44 | 2035160364 | 0 |
| 121.78.21.45 | 2035160365 | 0 |
| 121.78.21.46 | 2035160366 | 0 |
| 121.78.21.47 | 2035160367 | 0 |
| 121.78.21.48 | 2035160368 | 0 |
| 121.78.21.49 | 2035160369 | 0 |
| 121.78.21.50 | 2035160370 | 0 |
| 121.78.21.51 | 2035160371 | 0 |
| 121.78.21.52 | 2035160372 | 0 |
| 121.78.21.53 | 2035160373 | 0 |
| 121.78.21.54 | 2035160374 | 0 |
| 121.78.21.55 | 2035160375 | 0 |
| 121.78.21.56 | 2035160376 | 0 |
| 121.78.21.57 | 2035160377 | 0 |
| 121.78.21.58 | 2035160378 | 0 |
| 121.78.21.59 | 2035160379 | 0 |
| 121.78.21.60 | 2035160380 | 0 |
| 121.78.21.61 | 2035160381 | 0 |
| 121.78.21.62 | 2035160382 | 0 |
| 121.78.21.63 | 2035160383 | 0 |
| 121.78.21.64 | 2035160384 | 0 |
| 121.78.21.65 | 2035160385 | 0 |
| 121.78.21.66 | 2035160386 | 0 |
| 121.78.21.67 | 2035160387 | 0 |
| 121.78.21.68 | 2035160388 | 0 |
| 121.78.21.69 | 2035160389 | 0 |
| 121.78.21.70 | 2035160390 | 0 |
| 121.78.21.71 | 2035160391 | 0 |
| 121.78.21.72 | 2035160392 | 0 |
| 121.78.21.73 | 2035160393 | 0 |
| 121.78.21.74 | 2035160394 | 0 |
| 121.78.21.75 | 2035160395 | 0 |
| 121.78.21.76 | 2035160396 | 0 |
| 121.78.21.77 | 2035160397 | 0 |
| 121.78.21.78 | 2035160398 | 0 |
| 121.78.21.79 | 2035160399 | 0 |
| 121.78.21.80 | 2035160400 | 0 |
| 121.78.21.81 | 2035160401 | 0 |
| 121.78.21.82 | 2035160402 | 0 |
| 121.78.21.83 | 2035160403 | 0 |
| 121.78.21.84 | 2035160404 | 0 |
| 121.78.21.85 | 2035160405 | 0 |