Les adresses IP débutant par 121.128.7 sont fournies par Korea Telecom, elles appartiennent au CIDR (Classless Inter-Domain Routing) 121.128.0.0/11, le bloc IP comprant les adresses de 121.128.0.0 à 121.159.255.255). Le numéro de système autonome (ASN) est 4766.
| ASN | 4766 |
| IP commençant par | 121.128.0.0 |
| IP se terminant par | 121.159.255.255 |
| Nom ASN | Korea Telecom |
| CDIR | 121.128.0.0/11 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 14/07/2019 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | KR | Corée du Sud | - | Kuri | 37,5986 | 127,1394 | 2019-07-14 |
| MaxMind | KR | Corée du Sud | - | - | 37,5112 | 126,9741 | 2019-07-14 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.128.7.0 | 2038433536 | 0 |
| 121.128.7.1 | 2038433537 | 0 |
| 121.128.7.2 | 2038433538 | 0 |
| 121.128.7.3 | 2038433539 | 0 |
| 121.128.7.4 | 2038433540 | 0 |
| 121.128.7.5 | 2038433541 | 0 |
| 121.128.7.6 | 2038433542 | 0 |
| 121.128.7.7 | 2038433543 | 0 |
| 121.128.7.8 | 2038433544 | 0 |
| 121.128.7.9 | 2038433545 | 0 |
| 121.128.7.10 | 2038433546 | 0 |
| 121.128.7.11 | 2038433547 | 0 |
| 121.128.7.12 | 2038433548 | 0 |
| 121.128.7.13 | 2038433549 | 0 |
| 121.128.7.14 | 2038433550 | 0 |
| 121.128.7.15 | 2038433551 | 0 |
| 121.128.7.16 | 2038433552 | 0 |
| 121.128.7.17 | 2038433553 | 0 |
| 121.128.7.18 | 2038433554 | 0 |
| 121.128.7.19 | 2038433555 | 0 |
| 121.128.7.20 | 2038433556 | 0 |
| 121.128.7.21 | 2038433557 | 0 |
| 121.128.7.22 | 2038433558 | 0 |
| 121.128.7.23 | 2038433559 | 0 |
| 121.128.7.24 | 2038433560 | 0 |
| 121.128.7.25 | 2038433561 | 0 |
| 121.128.7.26 | 2038433562 | 0 |
| 121.128.7.27 | 2038433563 | 0 |
| 121.128.7.28 | 2038433564 | 0 |
| 121.128.7.29 | 2038433565 | 0 |
| 121.128.7.30 | 2038433566 | 0 |
| 121.128.7.31 | 2038433567 | 0 |
| 121.128.7.32 | 2038433568 | 0 |
| 121.128.7.33 | 2038433569 | 0 |
| 121.128.7.34 | 2038433570 | 0 |
| 121.128.7.35 | 2038433571 | 0 |
| 121.128.7.36 | 2038433572 | 0 |
| 121.128.7.37 | 2038433573 | 0 |
| 121.128.7.38 | 2038433574 | 0 |
| 121.128.7.39 | 2038433575 | 0 |
| 121.128.7.40 | 2038433576 | 0 |
| 121.128.7.41 | 2038433577 | 0 |
| 121.128.7.42 | 2038433578 | 0 |
| 121.128.7.43 | 2038433579 | 0 |
| 121.128.7.44 | 2038433580 | 0 |
| 121.128.7.45 | 2038433581 | 0 |
| 121.128.7.46 | 2038433582 | 0 |
| 121.128.7.47 | 2038433583 | 0 |
| 121.128.7.48 | 2038433584 | 0 |
| 121.128.7.49 | 2038433585 | 0 |
| 121.128.7.50 | 2038433586 | 0 |
| 121.128.7.51 | 2038433587 | 0 |
| 121.128.7.52 | 2038433588 | 0 |
| 121.128.7.53 | 2038433589 | 0 |
| 121.128.7.54 | 2038433590 | 0 |
| 121.128.7.55 | 2038433591 | 0 |
| 121.128.7.56 | 2038433592 | 0 |
| 121.128.7.57 | 2038433593 | 0 |
| 121.128.7.58 | 2038433594 | 0 |
| 121.128.7.59 | 2038433595 | 0 |
| 121.128.7.60 | 2038433596 | 0 |
| 121.128.7.61 | 2038433597 | 0 |
| 121.128.7.62 | 2038433598 | 0 |
| 121.128.7.63 | 2038433599 | 0 |
| 121.128.7.64 | 2038433600 | 0 |
| 121.128.7.65 | 2038433601 | 0 |
| 121.128.7.66 | 2038433602 | 0 |
| 121.128.7.67 | 2038433603 | 0 |
| 121.128.7.68 | 2038433604 | 0 |
| 121.128.7.69 | 2038433605 | 0 |
| 121.128.7.70 | 2038433606 | 0 |
| 121.128.7.71 | 2038433607 | 0 |
| 121.128.7.72 | 2038433608 | 0 |
| 121.128.7.73 | 2038433609 | 0 |
| 121.128.7.74 | 2038433610 | 0 |
| 121.128.7.75 | 2038433611 | 0 |
| 121.128.7.76 | 2038433612 | 0 |
| 121.128.7.77 | 2038433613 | 0 |
| 121.128.7.78 | 2038433614 | 0 |
| 121.128.7.79 | 2038433615 | 0 |
| 121.128.7.80 | 2038433616 | 0 |
| 121.128.7.81 | 2038433617 | 0 |
| 121.128.7.82 | 2038433618 | 0 |
| 121.128.7.83 | 2038433619 | 0 |
| 121.128.7.84 | 2038433620 | 0 |
| 121.128.7.85 | 2038433621 | 0 |