The IP address 42.21.56 is provided by SK Telecom, it's belong to the CDIR (Classless Inter-Domain Routing) 42.16.0.0/12 (range 42.16.0.0 to 42.31.255.255). The autonomous system number (ASN) is 9644.
| ASN | 9644 |
| IP starting by | 42.16.0.0 |
| IP ending by | 42.31.255.255 |
| ASN Name | SK Telecom |
| CDIR | 42.16.0.0/12 |
| Numerical IP | |
| Registry | apnic |
| Last update | 26/03/2020 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | KR | South Korea | - | Songwon | 36.9156 | 127.1314 | 2020-03-26 |
| MaxMind | KR | South Korea | - | - | 37.5112 | 126.9741 | 2020-03-26 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 42.21.56.0 | 706033664 | 0 |
| 42.21.56.1 | 706033665 | 0 |
| 42.21.56.2 | 706033666 | 0 |
| 42.21.56.3 | 706033667 | 0 |
| 42.21.56.4 | 706033668 | 0 |
| 42.21.56.5 | 706033669 | 0 |
| 42.21.56.6 | 706033670 | 0 |
| 42.21.56.7 | 706033671 | 0 |
| 42.21.56.8 | 706033672 | 0 |
| 42.21.56.9 | 706033673 | 0 |
| 42.21.56.10 | 706033674 | 0 |
| 42.21.56.11 | 706033675 | 0 |
| 42.21.56.12 | 706033676 | 0 |
| 42.21.56.13 | 706033677 | 0 |
| 42.21.56.14 | 706033678 | 0 |
| 42.21.56.15 | 706033679 | 0 |
| 42.21.56.16 | 706033680 | 0 |
| 42.21.56.17 | 706033681 | 0 |
| 42.21.56.18 | 706033682 | 0 |
| 42.21.56.19 | 706033683 | 0 |
| 42.21.56.20 | 706033684 | 0 |
| 42.21.56.21 | 706033685 | 0 |
| 42.21.56.22 | 706033686 | 0 |
| 42.21.56.23 | 706033687 | 0 |
| 42.21.56.24 | 706033688 | 0 |
| 42.21.56.25 | 706033689 | 0 |
| 42.21.56.26 | 706033690 | 0 |
| 42.21.56.27 | 706033691 | 0 |
| 42.21.56.28 | 706033692 | 0 |
| 42.21.56.29 | 706033693 | 0 |
| 42.21.56.30 | 706033694 | 0 |
| 42.21.56.31 | 706033695 | 0 |
| 42.21.56.32 | 706033696 | 0 |
| 42.21.56.33 | 706033697 | 0 |
| 42.21.56.34 | 706033698 | 0 |
| 42.21.56.35 | 706033699 | 0 |
| 42.21.56.36 | 706033700 | 0 |
| 42.21.56.37 | 706033701 | 0 |
| 42.21.56.38 | 706033702 | 0 |
| 42.21.56.39 | 706033703 | 0 |
| 42.21.56.40 | 706033704 | 0 |
| 42.21.56.41 | 706033705 | 0 |
| 42.21.56.42 | 706033706 | 0 |
| 42.21.56.43 | 706033707 | 0 |
| 42.21.56.44 | 706033708 | 0 |
| 42.21.56.45 | 706033709 | 0 |
| 42.21.56.46 | 706033710 | 0 |
| 42.21.56.47 | 706033711 | 0 |
| 42.21.56.48 | 706033712 | 0 |
| 42.21.56.49 | 706033713 | 0 |
| 42.21.56.50 | 706033714 | 0 |
| 42.21.56.51 | 706033715 | 0 |
| 42.21.56.52 | 706033716 | 0 |
| 42.21.56.53 | 706033717 | 0 |
| 42.21.56.54 | 706033718 | 0 |
| 42.21.56.55 | 706033719 | 0 |
| 42.21.56.56 | 706033720 | 0 |
| 42.21.56.57 | 706033721 | 0 |
| 42.21.56.58 | 706033722 | 0 |
| 42.21.56.59 | 706033723 | 0 |
| 42.21.56.60 | 706033724 | 0 |
| 42.21.56.61 | 706033725 | 0 |
| 42.21.56.62 | 706033726 | 0 |
| 42.21.56.63 | 706033727 | 0 |
| 42.21.56.64 | 706033728 | 0 |
| 42.21.56.65 | 706033729 | 0 |
| 42.21.56.66 | 706033730 | 0 |
| 42.21.56.67 | 706033731 | 0 |
| 42.21.56.68 | 706033732 | 0 |
| 42.21.56.69 | 706033733 | 0 |
| 42.21.56.70 | 706033734 | 0 |
| 42.21.56.71 | 706033735 | 0 |
| 42.21.56.72 | 706033736 | 0 |
| 42.21.56.73 | 706033737 | 0 |
| 42.21.56.74 | 706033738 | 0 |
| 42.21.56.75 | 706033739 | 0 |
| 42.21.56.76 | 706033740 | 0 |
| 42.21.56.77 | 706033741 | 0 |
| 42.21.56.78 | 706033742 | 0 |
| 42.21.56.79 | 706033743 | 0 |
| 42.21.56.80 | 706033744 | 0 |
| 42.21.56.81 | 706033745 | 0 |
| 42.21.56.82 | 706033746 | 0 |
| 42.21.56.83 | 706033747 | 0 |
| 42.21.56.84 | 706033748 | 0 |
| 42.21.56.85 | 706033749 | 0 |