The IP address 121.151.1 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 | apnic |
| Last update | 02/09/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | KR | South Korea | - | Seoul | 37.5683 | 126.9778 | 2017-12-23 |
| MaxMind | KR | South Korea | - | Daegu | 35.8703 | 128.5911 | 2017-12-23 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.151.1.0 | 2039939328 | 0 |
| 121.151.1.1 | 2039939329 | 0 |
| 121.151.1.2 | 2039939330 | 0 |
| 121.151.1.3 | 2039939331 | 0 |
| 121.151.1.4 | 2039939332 | 0 |
| 121.151.1.5 | 2039939333 | 0 |
| 121.151.1.6 | 2039939334 | 0 |
| 121.151.1.7 | 2039939335 | 0 |
| 121.151.1.8 | 2039939336 | 0 |
| 121.151.1.9 | 2039939337 | 0 |
| 121.151.1.10 | 2039939338 | 0 |
| 121.151.1.11 | 2039939339 | 0 |
| 121.151.1.12 | 2039939340 | 0 |
| 121.151.1.13 | 2039939341 | 0 |
| 121.151.1.14 | 2039939342 | 0 |
| 121.151.1.15 | 2039939343 | 0 |
| 121.151.1.16 | 2039939344 | 0 |
| 121.151.1.17 | 2039939345 | 0 |
| 121.151.1.18 | 2039939346 | 0 |
| 121.151.1.19 | 2039939347 | 0 |
| 121.151.1.20 | 2039939348 | 0 |
| 121.151.1.21 | 2039939349 | 0 |
| 121.151.1.22 | 2039939350 | 0 |
| 121.151.1.23 | 2039939351 | 0 |
| 121.151.1.24 | 2039939352 | 0 |
| 121.151.1.25 | 2039939353 | 0 |
| 121.151.1.26 | 2039939354 | 0 |
| 121.151.1.27 | 2039939355 | 0 |
| 121.151.1.28 | 2039939356 | 0 |
| 121.151.1.29 | 2039939357 | 0 |
| 121.151.1.30 | 2039939358 | 0 |
| 121.151.1.31 | 2039939359 | 0 |
| 121.151.1.32 | 2039939360 | 0 |
| 121.151.1.33 | 2039939361 | 0 |
| 121.151.1.34 | 2039939362 | 0 |
| 121.151.1.35 | 2039939363 | 0 |
| 121.151.1.36 | 2039939364 | 0 |
| 121.151.1.37 | 2039939365 | 0 |
| 121.151.1.38 | 2039939366 | 0 |
| 121.151.1.39 | 2039939367 | 0 |
| 121.151.1.40 | 2039939368 | 0 |
| 121.151.1.41 | 2039939369 | 0 |
| 121.151.1.42 | 2039939370 | 0 |
| 121.151.1.43 | 2039939371 | 0 |
| 121.151.1.44 | 2039939372 | 0 |
| 121.151.1.45 | 2039939373 | 0 |
| 121.151.1.46 | 2039939374 | 0 |
| 121.151.1.47 | 2039939375 | 0 |
| 121.151.1.48 | 2039939376 | 0 |
| 121.151.1.49 | 2039939377 | 0 |
| 121.151.1.50 | 2039939378 | 0 |
| 121.151.1.51 | 2039939379 | 0 |
| 121.151.1.52 | 2039939380 | 0 |
| 121.151.1.53 | 2039939381 | 0 |
| 121.151.1.54 | 2039939382 | 0 |
| 121.151.1.55 | 2039939383 | 0 |
| 121.151.1.56 | 2039939384 | 0 |
| 121.151.1.57 | 2039939385 | 0 |
| 121.151.1.58 | 2039939386 | 0 |
| 121.151.1.59 | 2039939387 | 0 |
| 121.151.1.60 | 2039939388 | 0 |
| 121.151.1.61 | 2039939389 | 0 |
| 121.151.1.62 | 2039939390 | 0 |
| 121.151.1.63 | 2039939391 | 0 |
| 121.151.1.64 | 2039939392 | 0 |
| 121.151.1.65 | 2039939393 | 0 |
| 121.151.1.66 | 2039939394 | 0 |
| 121.151.1.67 | 2039939395 | 0 |
| 121.151.1.68 | 2039939396 | 0 |
| 121.151.1.69 | 2039939397 | 0 |
| 121.151.1.70 | 2039939398 | 0 |
| 121.151.1.71 | 2039939399 | 0 |
| 121.151.1.72 | 2039939400 | 0 |
| 121.151.1.73 | 2039939401 | 0 |
| 121.151.1.74 | 2039939402 | 0 |
| 121.151.1.75 | 2039939403 | 0 |
| 121.151.1.76 | 2039939404 | 0 |
| 121.151.1.77 | 2039939405 | 0 |
| 121.151.1.78 | 2039939406 | 0 |
| 121.151.1.79 | 2039939407 | 0 |
| 121.151.1.80 | 2039939408 | 0 |
| 121.151.1.81 | 2039939409 | 0 |
| 121.151.1.82 | 2039939410 | 0 |
| 121.151.1.83 | 2039939411 | 0 |
| 121.151.1.84 | 2039939412 | 0 |
| 121.151.1.85 | 2039939413 | 0 |