Les adresses IP débutant par 121.125.5 sont fournies par SK Broadband Co Ltd, elles appartiennent au CIDR (Classless Inter-Domain Routing) 121.124.0.0/15, le bloc IP comprant les adresses de 121.124.0.0 à 121.125.255.255). Le numéro de système autonome (ASN) est 9318.
| ASN | 9318 |
| IP commençant par | 121.124.0.0 |
| IP se terminant par | 121.125.255.255 |
| Nom ASN | SK Broadband Co Ltd |
| CDIR | 121.124.0.0/15 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 30/09/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | KR | Korea, Republic of | - | Seoul | 37,5683 | 126,9778 | 2018-09-30 |
| MaxMind | KR | Corée du Sud | - | - | 37,5112 | 126,9741 | 2018-09-30 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.125.5.0 | 2038236416 | 0 |
| 121.125.5.1 | 2038236417 | 0 |
| 121.125.5.2 | 2038236418 | 0 |
| 121.125.5.3 | 2038236419 | 0 |
| 121.125.5.4 | 2038236420 | 0 |
| 121.125.5.5 | 2038236421 | 0 |
| 121.125.5.6 | 2038236422 | 0 |
| 121.125.5.7 | 2038236423 | 0 |
| 121.125.5.8 | 2038236424 | 0 |
| 121.125.5.9 | 2038236425 | 0 |
| 121.125.5.10 | 2038236426 | 0 |
| 121.125.5.11 | 2038236427 | 0 |
| 121.125.5.12 | 2038236428 | 0 |
| 121.125.5.13 | 2038236429 | 0 |
| 121.125.5.14 | 2038236430 | 0 |
| 121.125.5.15 | 2038236431 | 0 |
| 121.125.5.16 | 2038236432 | 0 |
| 121.125.5.17 | 2038236433 | 0 |
| 121.125.5.18 | 2038236434 | 0 |
| 121.125.5.19 | 2038236435 | 0 |
| 121.125.5.20 | 2038236436 | 0 |
| 121.125.5.21 | 2038236437 | 0 |
| 121.125.5.22 | 2038236438 | 0 |
| 121.125.5.23 | 2038236439 | 0 |
| 121.125.5.24 | 2038236440 | 0 |
| 121.125.5.25 | 2038236441 | 0 |
| 121.125.5.26 | 2038236442 | 0 |
| 121.125.5.27 | 2038236443 | 0 |
| 121.125.5.28 | 2038236444 | 0 |
| 121.125.5.29 | 2038236445 | 0 |
| 121.125.5.30 | 2038236446 | 0 |
| 121.125.5.31 | 2038236447 | 0 |
| 121.125.5.32 | 2038236448 | 0 |
| 121.125.5.33 | 2038236449 | 0 |
| 121.125.5.34 | 2038236450 | 0 |
| 121.125.5.35 | 2038236451 | 0 |
| 121.125.5.36 | 2038236452 | 0 |
| 121.125.5.37 | 2038236453 | 0 |
| 121.125.5.38 | 2038236454 | 0 |
| 121.125.5.39 | 2038236455 | 0 |
| 121.125.5.40 | 2038236456 | 0 |
| 121.125.5.41 | 2038236457 | 0 |
| 121.125.5.42 | 2038236458 | 0 |
| 121.125.5.43 | 2038236459 | 0 |
| 121.125.5.44 | 2038236460 | 0 |
| 121.125.5.45 | 2038236461 | 0 |
| 121.125.5.46 | 2038236462 | 0 |
| 121.125.5.47 | 2038236463 | 0 |
| 121.125.5.48 | 2038236464 | 0 |
| 121.125.5.49 | 2038236465 | 0 |
| 121.125.5.50 | 2038236466 | 0 |
| 121.125.5.51 | 2038236467 | 0 |
| 121.125.5.52 | 2038236468 | 0 |
| 121.125.5.53 | 2038236469 | 0 |
| 121.125.5.54 | 2038236470 | 0 |
| 121.125.5.55 | 2038236471 | 0 |
| 121.125.5.56 | 2038236472 | 0 |
| 121.125.5.57 | 2038236473 | 0 |
| 121.125.5.58 | 2038236474 | 0 |
| 121.125.5.59 | 2038236475 | 0 |
| 121.125.5.60 | 2038236476 | 0 |
| 121.125.5.61 | 2038236477 | 0 |
| 121.125.5.62 | 2038236478 | 0 |
| 121.125.5.63 | 2038236479 | 0 |
| 121.125.5.64 | 2038236480 | 0 |
| 121.125.5.65 | 2038236481 | 0 |
| 121.125.5.66 | 2038236482 | 0 |
| 121.125.5.67 | 2038236483 | 0 |
| 121.125.5.68 | 2038236484 | 0 |
| 121.125.5.69 | 2038236485 | 0 |
| 121.125.5.70 | 2038236486 | 0 |
| 121.125.5.71 | 2038236487 | 0 |
| 121.125.5.72 | 2038236488 | 0 |
| 121.125.5.73 | 2038236489 | 0 |
| 121.125.5.74 | 2038236490 | 0 |
| 121.125.5.75 | 2038236491 | 0 |
| 121.125.5.76 | 2038236492 | 0 |
| 121.125.5.77 | 2038236493 | 0 |
| 121.125.5.78 | 2038236494 | 0 |
| 121.125.5.79 | 2038236495 | 0 |
| 121.125.5.80 | 2038236496 | 0 |
| 121.125.5.81 | 2038236497 | 0 |
| 121.125.5.82 | 2038236498 | 0 |
| 121.125.5.83 | 2038236499 | 0 |
| 121.125.5.84 | 2038236500 | 0 |
| 121.125.5.85 | 2038236501 | 0 |