Les adresses IP débutant par 220.121.5 sont fournies par Korea Telecom, elles appartiennent au CIDR (Classless Inter-Domain Routing) 220.120.0.0/13, le bloc IP comprant les adresses de 220.120.0.0 à 220.127.255.255). Le numéro de système autonome (ASN) est 4766.
| ASN | 4766 |
| IP commençant par | 220.120.0.0 |
| IP se terminant par | 220.127.255.255 |
| Nom ASN | Korea Telecom |
| CDIR | 220.120.0.0/13 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 07/07/2019 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | KR | Corée du Sud | - | Tsche-mul-p-ho | 37,4536 | 126,7317 | 2019-07-07 |
| MaxMind | KR | Corée du Sud | - | Gangneung | 37,7556 | 128,8961 | 2019-07-07 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 220.121.5.0 | 3698918656 | 0 |
| 220.121.5.1 | 3698918657 | 0 |
| 220.121.5.2 | 3698918658 | 0 |
| 220.121.5.3 | 3698918659 | 0 |
| 220.121.5.4 | 3698918660 | 0 |
| 220.121.5.5 | 3698918661 | 0 |
| 220.121.5.6 | 3698918662 | 0 |
| 220.121.5.7 | 3698918663 | 0 |
| 220.121.5.8 | 3698918664 | 0 |
| 220.121.5.9 | 3698918665 | 0 |
| 220.121.5.10 | 3698918666 | 0 |
| 220.121.5.11 | 3698918667 | 0 |
| 220.121.5.12 | 3698918668 | 0 |
| 220.121.5.13 | 3698918669 | 0 |
| 220.121.5.14 | 3698918670 | 0 |
| 220.121.5.15 | 3698918671 | 0 |
| 220.121.5.16 | 3698918672 | 0 |
| 220.121.5.17 | 3698918673 | 0 |
| 220.121.5.18 | 3698918674 | 0 |
| 220.121.5.19 | 3698918675 | 0 |
| 220.121.5.20 | 3698918676 | 0 |
| 220.121.5.21 | 3698918677 | 0 |
| 220.121.5.22 | 3698918678 | 0 |
| 220.121.5.23 | 3698918679 | 0 |
| 220.121.5.24 | 3698918680 | 0 |
| 220.121.5.25 | 3698918681 | 0 |
| 220.121.5.26 | 3698918682 | 0 |
| 220.121.5.27 | 3698918683 | 0 |
| 220.121.5.28 | 3698918684 | 0 |
| 220.121.5.29 | 3698918685 | 0 |
| 220.121.5.30 | 3698918686 | 0 |
| 220.121.5.31 | 3698918687 | 0 |
| 220.121.5.32 | 3698918688 | 0 |
| 220.121.5.33 | 3698918689 | 0 |
| 220.121.5.34 | 3698918690 | 0 |
| 220.121.5.35 | 3698918691 | 0 |
| 220.121.5.36 | 3698918692 | 0 |
| 220.121.5.37 | 3698918693 | 0 |
| 220.121.5.38 | 3698918694 | 0 |
| 220.121.5.39 | 3698918695 | 0 |
| 220.121.5.40 | 3698918696 | 0 |
| 220.121.5.41 | 3698918697 | 0 |
| 220.121.5.42 | 3698918698 | 0 |
| 220.121.5.43 | 3698918699 | 0 |
| 220.121.5.44 | 3698918700 | 0 |
| 220.121.5.45 | 3698918701 | 0 |
| 220.121.5.46 | 3698918702 | 0 |
| 220.121.5.47 | 3698918703 | 0 |
| 220.121.5.48 | 3698918704 | 0 |
| 220.121.5.49 | 3698918705 | 0 |
| 220.121.5.50 | 3698918706 | 0 |
| 220.121.5.51 | 3698918707 | 0 |
| 220.121.5.52 | 3698918708 | 0 |
| 220.121.5.53 | 3698918709 | 0 |
| 220.121.5.54 | 3698918710 | 0 |
| 220.121.5.55 | 3698918711 | 0 |
| 220.121.5.56 | 3698918712 | 0 |
| 220.121.5.57 | 3698918713 | 0 |
| 220.121.5.58 | 3698918714 | 0 |
| 220.121.5.59 | 3698918715 | 0 |
| 220.121.5.60 | 3698918716 | 0 |
| 220.121.5.61 | 3698918717 | 0 |
| 220.121.5.62 | 3698918718 | 0 |
| 220.121.5.63 | 3698918719 | 0 |
| 220.121.5.64 | 3698918720 | 0 |
| 220.121.5.65 | 3698918721 | 0 |
| 220.121.5.66 | 3698918722 | 0 |
| 220.121.5.67 | 3698918723 | 0 |
| 220.121.5.68 | 3698918724 | 0 |
| 220.121.5.69 | 3698918725 | 0 |
| 220.121.5.70 | 3698918726 | 0 |
| 220.121.5.71 | 3698918727 | 0 |
| 220.121.5.72 | 3698918728 | 0 |
| 220.121.5.73 | 3698918729 | 0 |
| 220.121.5.74 | 3698918730 | 0 |
| 220.121.5.75 | 3698918731 | 0 |
| 220.121.5.76 | 3698918732 | 0 |
| 220.121.5.77 | 3698918733 | 0 |
| 220.121.5.78 | 3698918734 | 0 |
| 220.121.5.79 | 3698918735 | 0 |
| 220.121.5.80 | 3698918736 | 0 |
| 220.121.5.81 | 3698918737 | 0 |
| 220.121.5.82 | 3698918738 | 0 |
| 220.121.5.83 | 3698918739 | 0 |
| 220.121.5.84 | 3698918740 | 0 |
| 220.121.5.85 | 3698918741 | 0 |