The IP address 39.21.81 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 | 20/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | KR | South Korea | - | Seoul | 37.5683 | 126.9778 | 2017-07-03 |
| MaxMind | KR | South Korea | - | - | 37.5112 | 126.9741 | 2017-07-03 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 39.21.81.0 | 655708416 | 0 |
| 39.21.81.1 | 655708417 | 0 |
| 39.21.81.2 | 655708418 | 0 |
| 39.21.81.3 | 655708419 | 0 |
| 39.21.81.4 | 655708420 | 0 |
| 39.21.81.5 | 655708421 | 0 |
| 39.21.81.6 | 655708422 | 0 |
| 39.21.81.7 | 655708423 | 0 |
| 39.21.81.8 | 655708424 | 0 |
| 39.21.81.9 | 655708425 | 0 |
| 39.21.81.10 | 655708426 | 0 |
| 39.21.81.11 | 655708427 | 0 |
| 39.21.81.12 | 655708428 | 0 |
| 39.21.81.13 | 655708429 | 0 |
| 39.21.81.14 | 655708430 | 0 |
| 39.21.81.15 | 655708431 | 0 |
| 39.21.81.16 | 655708432 | 0 |
| 39.21.81.17 | 655708433 | 0 |
| 39.21.81.18 | 655708434 | 0 |
| 39.21.81.19 | 655708435 | 0 |
| 39.21.81.20 | 655708436 | 0 |
| 39.21.81.21 | 655708437 | 0 |
| 39.21.81.22 | 655708438 | 0 |
| 39.21.81.23 | 655708439 | 0 |
| 39.21.81.24 | 655708440 | 0 |
| 39.21.81.25 | 655708441 | 0 |
| 39.21.81.26 | 655708442 | 0 |
| 39.21.81.27 | 655708443 | 0 |
| 39.21.81.28 | 655708444 | 0 |
| 39.21.81.29 | 655708445 | 0 |
| 39.21.81.30 | 655708446 | 0 |
| 39.21.81.31 | 655708447 | 0 |
| 39.21.81.32 | 655708448 | 0 |
| 39.21.81.33 | 655708449 | 0 |
| 39.21.81.34 | 655708450 | 0 |
| 39.21.81.35 | 655708451 | 0 |
| 39.21.81.36 | 655708452 | 0 |
| 39.21.81.37 | 655708453 | 0 |
| 39.21.81.38 | 655708454 | 0 |
| 39.21.81.39 | 655708455 | 0 |
| 39.21.81.40 | 655708456 | 0 |
| 39.21.81.41 | 655708457 | 0 |
| 39.21.81.42 | 655708458 | 0 |
| 39.21.81.43 | 655708459 | 0 |
| 39.21.81.44 | 655708460 | 0 |
| 39.21.81.45 | 655708461 | 0 |
| 39.21.81.46 | 655708462 | 0 |
| 39.21.81.47 | 655708463 | 0 |
| 39.21.81.48 | 655708464 | 0 |
| 39.21.81.49 | 655708465 | 0 |
| 39.21.81.50 | 655708466 | 0 |
| 39.21.81.51 | 655708467 | 0 |
| 39.21.81.52 | 655708468 | 0 |
| 39.21.81.53 | 655708469 | 0 |
| 39.21.81.54 | 655708470 | 0 |
| 39.21.81.55 | 655708471 | 0 |
| 39.21.81.56 | 655708472 | 0 |
| 39.21.81.57 | 655708473 | 0 |
| 39.21.81.58 | 655708474 | 0 |
| 39.21.81.59 | 655708475 | 0 |
| 39.21.81.60 | 655708476 | 0 |
| 39.21.81.61 | 655708477 | 0 |
| 39.21.81.62 | 655708478 | 0 |
| 39.21.81.63 | 655708479 | 0 |
| 39.21.81.64 | 655708480 | 0 |
| 39.21.81.65 | 655708481 | 0 |
| 39.21.81.66 | 655708482 | 0 |
| 39.21.81.67 | 655708483 | 0 |
| 39.21.81.68 | 655708484 | 0 |
| 39.21.81.69 | 655708485 | 0 |
| 39.21.81.70 | 655708486 | 0 |
| 39.21.81.71 | 655708487 | 0 |
| 39.21.81.72 | 655708488 | 0 |
| 39.21.81.73 | 655708489 | 0 |
| 39.21.81.74 | 655708490 | 0 |
| 39.21.81.75 | 655708491 | 0 |
| 39.21.81.76 | 655708492 | 0 |
| 39.21.81.77 | 655708493 | 0 |
| 39.21.81.78 | 655708494 | 0 |
| 39.21.81.79 | 655708495 | 0 |
| 39.21.81.80 | 655708496 | 0 |
| 39.21.81.81 | 655708497 | 0 |
| 39.21.81.82 | 655708498 | 0 |
| 39.21.81.83 | 655708499 | 0 |
| 39.21.81.84 | 655708500 | 0 |
| 39.21.81.85 | 655708501 | 0 |