The IP address 121.139.7 is provided by Korea Telecom, it's belong to the CDIR (Classless Inter-Domain Routing) 121.128.0.0/11 (range 121.128.0.0 to 121.159.255.255). The autonomous system number (ASN) is 4766.
| ASN | 4766 |
| IP starting by | 121.128.0.0 |
| IP ending by | 121.159.255.255 |
| ASN Name | Korea Telecom |
| CDIR | 121.128.0.0/11 |
| Numerical IP | |
| Registry | |
| Last update | 21/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | KR | South Korea | - | Seongnam | 37.4386 | 127.1378 | 2017-07-21 |
| MaxMind | KR | South Korea | - | Seocho | 37.4906 | 127.02 | 2017-07-21 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.139.7.0 | 2039154432 | 0 |
| 121.139.7.1 | 2039154433 | 0 |
| 121.139.7.2 | 2039154434 | 0 |
| 121.139.7.3 | 2039154435 | 0 |
| 121.139.7.4 | 2039154436 | 0 |
| 121.139.7.5 | 2039154437 | 0 |
| 121.139.7.6 | 2039154438 | 0 |
| 121.139.7.7 | 2039154439 | 0 |
| 121.139.7.8 | 2039154440 | 0 |
| 121.139.7.9 | 2039154441 | 0 |
| 121.139.7.10 | 2039154442 | 0 |
| 121.139.7.11 | 2039154443 | 0 |
| 121.139.7.12 | 2039154444 | 0 |
| 121.139.7.13 | 2039154445 | 0 |
| 121.139.7.14 | 2039154446 | 0 |
| 121.139.7.15 | 2039154447 | 0 |
| 121.139.7.16 | 2039154448 | 0 |
| 121.139.7.17 | 2039154449 | 0 |
| 121.139.7.18 | 2039154450 | 0 |
| 121.139.7.19 | 2039154451 | 0 |
| 121.139.7.20 | 2039154452 | 0 |
| 121.139.7.21 | 2039154453 | 0 |
| 121.139.7.22 | 2039154454 | 0 |
| 121.139.7.23 | 2039154455 | 0 |
| 121.139.7.24 | 2039154456 | 0 |
| 121.139.7.25 | 2039154457 | 0 |
| 121.139.7.26 | 2039154458 | 0 |
| 121.139.7.27 | 2039154459 | 0 |
| 121.139.7.28 | 2039154460 | 0 |
| 121.139.7.29 | 2039154461 | 0 |
| 121.139.7.30 | 2039154462 | 0 |
| 121.139.7.31 | 2039154463 | 0 |
| 121.139.7.32 | 2039154464 | 0 |
| 121.139.7.33 | 2039154465 | 0 |
| 121.139.7.34 | 2039154466 | 0 |
| 121.139.7.35 | 2039154467 | 0 |
| 121.139.7.36 | 2039154468 | 0 |
| 121.139.7.37 | 2039154469 | 0 |
| 121.139.7.38 | 2039154470 | 0 |
| 121.139.7.39 | 2039154471 | 0 |
| 121.139.7.40 | 2039154472 | 0 |
| 121.139.7.41 | 2039154473 | 0 |
| 121.139.7.42 | 2039154474 | 0 |
| 121.139.7.43 | 2039154475 | 0 |
| 121.139.7.44 | 2039154476 | 0 |
| 121.139.7.45 | 2039154477 | 0 |
| 121.139.7.46 | 2039154478 | 0 |
| 121.139.7.47 | 2039154479 | 0 |
| 121.139.7.48 | 2039154480 | 0 |
| 121.139.7.49 | 2039154481 | 0 |
| 121.139.7.50 | 2039154482 | 0 |
| 121.139.7.51 | 2039154483 | 0 |
| 121.139.7.52 | 2039154484 | 0 |
| 121.139.7.53 | 2039154485 | 0 |
| 121.139.7.54 | 2039154486 | 0 |
| 121.139.7.55 | 2039154487 | 0 |
| 121.139.7.56 | 2039154488 | 0 |
| 121.139.7.57 | 2039154489 | 0 |
| 121.139.7.58 | 2039154490 | 0 |
| 121.139.7.59 | 2039154491 | 0 |
| 121.139.7.60 | 2039154492 | 0 |
| 121.139.7.61 | 2039154493 | 0 |
| 121.139.7.62 | 2039154494 | 0 |
| 121.139.7.63 | 2039154495 | 0 |
| 121.139.7.64 | 2039154496 | 0 |
| 121.139.7.65 | 2039154497 | 0 |
| 121.139.7.66 | 2039154498 | 0 |
| 121.139.7.67 | 2039154499 | 0 |
| 121.139.7.68 | 2039154500 | 0 |
| 121.139.7.69 | 2039154501 | 0 |
| 121.139.7.70 | 2039154502 | 0 |
| 121.139.7.71 | 2039154503 | 0 |
| 121.139.7.72 | 2039154504 | 0 |
| 121.139.7.73 | 2039154505 | 0 |
| 121.139.7.74 | 2039154506 | 0 |
| 121.139.7.75 | 2039154507 | 0 |
| 121.139.7.76 | 2039154508 | 0 |
| 121.139.7.77 | 2039154509 | 0 |
| 121.139.7.78 | 2039154510 | 0 |
| 121.139.7.79 | 2039154511 | 0 |
| 121.139.7.80 | 2039154512 | 0 |
| 121.139.7.81 | 2039154513 | 0 |
| 121.139.7.82 | 2039154514 | 0 |
| 121.139.7.83 | 2039154515 | 0 |
| 121.139.7.84 | 2039154516 | 0 |
| 121.139.7.85 | 2039154517 | 0 |