L'indirizzo IP 39.21.18 è fornito da Korea Telecom, che è di proprietà del CIDR (Classless Inter-Domain Routing) 39.16.0.0/13, IP tra 39.16.0.0 a 39.23.255.255 ). Il numero di sistema autonomo (ASN) è 4766.
| ASN | 4766 |
| IP inizia con | 39.16.0.0 |
| IP finale con | 39.23.255.255 |
| ASN Nome | Korea Telecom |
| CDIR | 39.16.0.0/13 |
| IP numerico | |
| Registe | apnic |
| Ultimo aggiornamento | 16/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | KR | Korea, Republic of | - | Seoul | 37,5683 | 126,9778 | 2017-07-03 |
| MaxMind | KR | Republic of Korea | - | - | 37,5112 | 126,9741 | 2017-07-03 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 39.21.18.0 | 655692288 | 0 |
| 39.21.18.1 | 655692289 | 0 |
| 39.21.18.2 | 655692290 | 0 |
| 39.21.18.3 | 655692291 | 0 |
| 39.21.18.4 | 655692292 | 0 |
| 39.21.18.5 | 655692293 | 0 |
| 39.21.18.6 | 655692294 | 0 |
| 39.21.18.7 | 655692295 | 0 |
| 39.21.18.8 | 655692296 | 0 |
| 39.21.18.9 | 655692297 | 0 |
| 39.21.18.10 | 655692298 | 0 |
| 39.21.18.11 | 655692299 | 0 |
| 39.21.18.12 | 655692300 | 0 |
| 39.21.18.13 | 655692301 | 0 |
| 39.21.18.14 | 655692302 | 0 |
| 39.21.18.15 | 655692303 | 0 |
| 39.21.18.16 | 655692304 | 0 |
| 39.21.18.17 | 655692305 | 0 |
| 39.21.18.18 | 655692306 | 0 |
| 39.21.18.19 | 655692307 | 0 |
| 39.21.18.20 | 655692308 | 0 |
| 39.21.18.21 | 655692309 | 0 |
| 39.21.18.22 | 655692310 | 0 |
| 39.21.18.23 | 655692311 | 0 |
| 39.21.18.24 | 655692312 | 0 |
| 39.21.18.25 | 655692313 | 0 |
| 39.21.18.26 | 655692314 | 0 |
| 39.21.18.27 | 655692315 | 0 |
| 39.21.18.28 | 655692316 | 0 |
| 39.21.18.29 | 655692317 | 0 |
| 39.21.18.30 | 655692318 | 0 |
| 39.21.18.31 | 655692319 | 0 |
| 39.21.18.32 | 655692320 | 0 |
| 39.21.18.33 | 655692321 | 0 |
| 39.21.18.34 | 655692322 | 0 |
| 39.21.18.35 | 655692323 | 0 |
| 39.21.18.36 | 655692324 | 0 |
| 39.21.18.37 | 655692325 | 0 |
| 39.21.18.38 | 655692326 | 0 |
| 39.21.18.39 | 655692327 | 0 |
| 39.21.18.40 | 655692328 | 0 |
| 39.21.18.41 | 655692329 | 0 |
| 39.21.18.42 | 655692330 | 0 |
| 39.21.18.43 | 655692331 | 0 |
| 39.21.18.44 | 655692332 | 0 |
| 39.21.18.45 | 655692333 | 0 |
| 39.21.18.46 | 655692334 | 0 |
| 39.21.18.47 | 655692335 | 0 |
| 39.21.18.48 | 655692336 | 0 |
| 39.21.18.49 | 655692337 | 0 |
| 39.21.18.50 | 655692338 | 0 |
| 39.21.18.51 | 655692339 | 0 |
| 39.21.18.52 | 655692340 | 0 |
| 39.21.18.53 | 655692341 | 0 |
| 39.21.18.54 | 655692342 | 0 |
| 39.21.18.55 | 655692343 | 0 |
| 39.21.18.56 | 655692344 | 0 |
| 39.21.18.57 | 655692345 | 0 |
| 39.21.18.58 | 655692346 | 0 |
| 39.21.18.59 | 655692347 | 0 |
| 39.21.18.60 | 655692348 | 0 |
| 39.21.18.61 | 655692349 | 0 |
| 39.21.18.62 | 655692350 | 0 |
| 39.21.18.63 | 655692351 | 0 |
| 39.21.18.64 | 655692352 | 0 |
| 39.21.18.65 | 655692353 | 0 |
| 39.21.18.66 | 655692354 | 0 |
| 39.21.18.67 | 655692355 | 0 |
| 39.21.18.68 | 655692356 | 0 |
| 39.21.18.69 | 655692357 | 0 |
| 39.21.18.70 | 655692358 | 0 |
| 39.21.18.71 | 655692359 | 0 |
| 39.21.18.72 | 655692360 | 0 |
| 39.21.18.73 | 655692361 | 0 |
| 39.21.18.74 | 655692362 | 0 |
| 39.21.18.75 | 655692363 | 0 |
| 39.21.18.76 | 655692364 | 0 |
| 39.21.18.77 | 655692365 | 0 |
| 39.21.18.78 | 655692366 | 0 |
| 39.21.18.79 | 655692367 | 0 |
| 39.21.18.80 | 655692368 | 0 |
| 39.21.18.81 | 655692369 | 0 |
| 39.21.18.82 | 655692370 | 0 |
| 39.21.18.83 | 655692371 | 0 |
| 39.21.18.84 | 655692372 | 0 |
| 39.21.18.85 | 655692373 | 0 |