The IP address 39.21.57 is provided by Korea Telecom, it's belong to the CDIR (Classless Inter-Domain Routing) 39.16.0.0/13 (range 39.16.0.0 to 39.23.255.255). The autonomous system number (ASN) is 4766.
| ASN | 4766 |
| IP starting by | 39.16.0.0 |
| IP ending by | 39.23.255.255 |
| ASN Name | Korea Telecom |
| CDIR | 39.16.0.0/13 |
| Numerical IP | |
| Registry | apnic |
| Last update | 05/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | KR | South Korea | - | Seoul | 37.5683 | 126.9778 | 2017-07-05 |
| MaxMind | KR | South Korea | - | - | 37.5112 | 126.9741 | 2017-07-05 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 39.21.57.0 | 655702272 | 0 |
| 39.21.57.1 | 655702273 | 0 |
| 39.21.57.2 | 655702274 | 0 |
| 39.21.57.3 | 655702275 | 0 |
| 39.21.57.4 | 655702276 | 0 |
| 39.21.57.5 | 655702277 | 0 |
| 39.21.57.6 | 655702278 | 0 |
| 39.21.57.7 | 655702279 | 0 |
| 39.21.57.8 | 655702280 | 0 |
| 39.21.57.9 | 655702281 | 0 |
| 39.21.57.10 | 655702282 | 0 |
| 39.21.57.11 | 655702283 | 0 |
| 39.21.57.12 | 655702284 | 0 |
| 39.21.57.13 | 655702285 | 0 |
| 39.21.57.14 | 655702286 | 0 |
| 39.21.57.15 | 655702287 | 0 |
| 39.21.57.16 | 655702288 | 0 |
| 39.21.57.17 | 655702289 | 0 |
| 39.21.57.18 | 655702290 | 0 |
| 39.21.57.19 | 655702291 | 0 |
| 39.21.57.20 | 655702292 | 0 |
| 39.21.57.21 | 655702293 | 0 |
| 39.21.57.22 | 655702294 | 0 |
| 39.21.57.23 | 655702295 | 0 |
| 39.21.57.24 | 655702296 | 0 |
| 39.21.57.25 | 655702297 | 0 |
| 39.21.57.26 | 655702298 | 0 |
| 39.21.57.27 | 655702299 | 0 |
| 39.21.57.28 | 655702300 | 0 |
| 39.21.57.29 | 655702301 | 0 |
| 39.21.57.30 | 655702302 | 0 |
| 39.21.57.31 | 655702303 | 0 |
| 39.21.57.32 | 655702304 | 0 |
| 39.21.57.33 | 655702305 | 0 |
| 39.21.57.34 | 655702306 | 0 |
| 39.21.57.35 | 655702307 | 0 |
| 39.21.57.36 | 655702308 | 0 |
| 39.21.57.37 | 655702309 | 0 |
| 39.21.57.38 | 655702310 | 0 |
| 39.21.57.39 | 655702311 | 0 |
| 39.21.57.40 | 655702312 | 0 |
| 39.21.57.41 | 655702313 | 0 |
| 39.21.57.42 | 655702314 | 0 |
| 39.21.57.43 | 655702315 | 0 |
| 39.21.57.44 | 655702316 | 0 |
| 39.21.57.45 | 655702317 | 0 |
| 39.21.57.46 | 655702318 | 0 |
| 39.21.57.47 | 655702319 | 0 |
| 39.21.57.48 | 655702320 | 0 |
| 39.21.57.49 | 655702321 | 0 |
| 39.21.57.50 | 655702322 | 0 |
| 39.21.57.51 | 655702323 | 0 |
| 39.21.57.52 | 655702324 | 0 |
| 39.21.57.53 | 655702325 | 0 |
| 39.21.57.54 | 655702326 | 0 |
| 39.21.57.55 | 655702327 | 0 |
| 39.21.57.56 | 655702328 | 0 |
| 39.21.57.57 | 655702329 | 0 |
| 39.21.57.58 | 655702330 | 0 |
| 39.21.57.59 | 655702331 | 0 |
| 39.21.57.60 | 655702332 | 0 |
| 39.21.57.61 | 655702333 | 0 |
| 39.21.57.62 | 655702334 | 0 |
| 39.21.57.63 | 655702335 | 0 |
| 39.21.57.64 | 655702336 | 0 |
| 39.21.57.65 | 655702337 | 0 |
| 39.21.57.66 | 655702338 | 0 |
| 39.21.57.67 | 655702339 | 0 |
| 39.21.57.68 | 655702340 | 0 |
| 39.21.57.69 | 655702341 | 0 |
| 39.21.57.70 | 655702342 | 0 |
| 39.21.57.71 | 655702343 | 0 |
| 39.21.57.72 | 655702344 | 0 |
| 39.21.57.73 | 655702345 | 0 |
| 39.21.57.74 | 655702346 | 0 |
| 39.21.57.75 | 655702347 | 0 |
| 39.21.57.76 | 655702348 | 0 |
| 39.21.57.77 | 655702349 | 0 |
| 39.21.57.78 | 655702350 | 0 |
| 39.21.57.79 | 655702351 | 0 |
| 39.21.57.80 | 655702352 | 0 |
| 39.21.57.81 | 655702353 | 0 |
| 39.21.57.82 | 655702354 | 0 |
| 39.21.57.83 | 655702355 | 0 |
| 39.21.57.84 | 655702356 | 0 |
| 39.21.57.85 | 655702357 | 0 |