The IP address 42.21.52 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 | 05/12/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | KR | South Korea | - | Songwon | 36.9156 | 127.1314 | 2018-12-05 |
| MaxMind | KR | South Korea | - | - | 37.5112 | 126.9741 | 2018-12-05 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 42.21.52.0 | 706032640 | 0 |
| 42.21.52.1 | 706032641 | 0 |
| 42.21.52.2 | 706032642 | 0 |
| 42.21.52.3 | 706032643 | 0 |
| 42.21.52.4 | 706032644 | 0 |
| 42.21.52.5 | 706032645 | 0 |
| 42.21.52.6 | 706032646 | 0 |
| 42.21.52.7 | 706032647 | 0 |
| 42.21.52.8 | 706032648 | 0 |
| 42.21.52.9 | 706032649 | 0 |
| 42.21.52.10 | 706032650 | 0 |
| 42.21.52.11 | 706032651 | 0 |
| 42.21.52.12 | 706032652 | 0 |
| 42.21.52.13 | 706032653 | 0 |
| 42.21.52.14 | 706032654 | 0 |
| 42.21.52.15 | 706032655 | 0 |
| 42.21.52.16 | 706032656 | 0 |
| 42.21.52.17 | 706032657 | 0 |
| 42.21.52.18 | 706032658 | 0 |
| 42.21.52.19 | 706032659 | 0 |
| 42.21.52.20 | 706032660 | 0 |
| 42.21.52.21 | 706032661 | 0 |
| 42.21.52.22 | 706032662 | 0 |
| 42.21.52.23 | 706032663 | 0 |
| 42.21.52.24 | 706032664 | 0 |
| 42.21.52.25 | 706032665 | 0 |
| 42.21.52.26 | 706032666 | 0 |
| 42.21.52.27 | 706032667 | 0 |
| 42.21.52.28 | 706032668 | 0 |
| 42.21.52.29 | 706032669 | 0 |
| 42.21.52.30 | 706032670 | 0 |
| 42.21.52.31 | 706032671 | 0 |
| 42.21.52.32 | 706032672 | 0 |
| 42.21.52.33 | 706032673 | 0 |
| 42.21.52.34 | 706032674 | 0 |
| 42.21.52.35 | 706032675 | 0 |
| 42.21.52.36 | 706032676 | 0 |
| 42.21.52.37 | 706032677 | 0 |
| 42.21.52.38 | 706032678 | 0 |
| 42.21.52.39 | 706032679 | 0 |
| 42.21.52.40 | 706032680 | 0 |
| 42.21.52.41 | 706032681 | 0 |
| 42.21.52.42 | 706032682 | 0 |
| 42.21.52.43 | 706032683 | 0 |
| 42.21.52.44 | 706032684 | 0 |
| 42.21.52.45 | 706032685 | 0 |
| 42.21.52.46 | 706032686 | 0 |
| 42.21.52.47 | 706032687 | 0 |
| 42.21.52.48 | 706032688 | 0 |
| 42.21.52.49 | 706032689 | 0 |
| 42.21.52.50 | 706032690 | 0 |
| 42.21.52.51 | 706032691 | 0 |
| 42.21.52.52 | 706032692 | 0 |
| 42.21.52.53 | 706032693 | 0 |
| 42.21.52.54 | 706032694 | 0 |
| 42.21.52.55 | 706032695 | 0 |
| 42.21.52.56 | 706032696 | 0 |
| 42.21.52.57 | 706032697 | 0 |
| 42.21.52.58 | 706032698 | 0 |
| 42.21.52.59 | 706032699 | 0 |
| 42.21.52.60 | 706032700 | 0 |
| 42.21.52.61 | 706032701 | 0 |
| 42.21.52.62 | 706032702 | 0 |
| 42.21.52.63 | 706032703 | 0 |
| 42.21.52.64 | 706032704 | 0 |
| 42.21.52.65 | 706032705 | 0 |
| 42.21.52.66 | 706032706 | 0 |
| 42.21.52.67 | 706032707 | 0 |
| 42.21.52.68 | 706032708 | 0 |
| 42.21.52.69 | 706032709 | 0 |
| 42.21.52.70 | 706032710 | 0 |
| 42.21.52.71 | 706032711 | 0 |
| 42.21.52.72 | 706032712 | 0 |
| 42.21.52.73 | 706032713 | 0 |
| 42.21.52.74 | 706032714 | 0 |
| 42.21.52.75 | 706032715 | 0 |
| 42.21.52.76 | 706032716 | 0 |
| 42.21.52.77 | 706032717 | 0 |
| 42.21.52.78 | 706032718 | 0 |
| 42.21.52.79 | 706032719 | 0 |
| 42.21.52.80 | 706032720 | 0 |
| 42.21.52.81 | 706032721 | 0 |
| 42.21.52.82 | 706032722 | 0 |
| 42.21.52.83 | 706032723 | 0 |
| 42.21.52.84 | 706032724 | 0 |
| 42.21.52.85 | 706032725 | 0 |