The IP address 42.17.72 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 | 11/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | KR | South Korea | - | Seoul | 37.5683 | 126.9778 | 2017-07-11 |
| MaxMind | KR | South Korea | - | - | 37.5112 | 126.9741 | 2017-07-11 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 42.17.72.0 | 705775616 | 0 |
| 42.17.72.1 | 705775617 | 0 |
| 42.17.72.2 | 705775618 | 0 |
| 42.17.72.3 | 705775619 | 0 |
| 42.17.72.4 | 705775620 | 0 |
| 42.17.72.5 | 705775621 | 0 |
| 42.17.72.6 | 705775622 | 0 |
| 42.17.72.7 | 705775623 | 0 |
| 42.17.72.8 | 705775624 | 0 |
| 42.17.72.9 | 705775625 | 0 |
| 42.17.72.10 | 705775626 | 0 |
| 42.17.72.11 | 705775627 | 0 |
| 42.17.72.12 | 705775628 | 0 |
| 42.17.72.13 | 705775629 | 0 |
| 42.17.72.14 | 705775630 | 0 |
| 42.17.72.15 | 705775631 | 0 |
| 42.17.72.16 | 705775632 | 0 |
| 42.17.72.17 | 705775633 | 0 |
| 42.17.72.18 | 705775634 | 0 |
| 42.17.72.19 | 705775635 | 0 |
| 42.17.72.20 | 705775636 | 0 |
| 42.17.72.21 | 705775637 | 0 |
| 42.17.72.22 | 705775638 | 0 |
| 42.17.72.23 | 705775639 | 0 |
| 42.17.72.24 | 705775640 | 0 |
| 42.17.72.25 | 705775641 | 0 |
| 42.17.72.26 | 705775642 | 0 |
| 42.17.72.27 | 705775643 | 0 |
| 42.17.72.28 | 705775644 | 0 |
| 42.17.72.29 | 705775645 | 0 |
| 42.17.72.30 | 705775646 | 0 |
| 42.17.72.31 | 705775647 | 0 |
| 42.17.72.32 | 705775648 | 0 |
| 42.17.72.33 | 705775649 | 0 |
| 42.17.72.34 | 705775650 | 0 |
| 42.17.72.35 | 705775651 | 0 |
| 42.17.72.36 | 705775652 | 0 |
| 42.17.72.37 | 705775653 | 0 |
| 42.17.72.38 | 705775654 | 0 |
| 42.17.72.39 | 705775655 | 0 |
| 42.17.72.40 | 705775656 | 0 |
| 42.17.72.41 | 705775657 | 0 |
| 42.17.72.42 | 705775658 | 0 |
| 42.17.72.43 | 705775659 | 0 |
| 42.17.72.44 | 705775660 | 0 |
| 42.17.72.45 | 705775661 | 0 |
| 42.17.72.46 | 705775662 | 0 |
| 42.17.72.47 | 705775663 | 0 |
| 42.17.72.48 | 705775664 | 0 |
| 42.17.72.49 | 705775665 | 0 |
| 42.17.72.50 | 705775666 | 0 |
| 42.17.72.51 | 705775667 | 0 |
| 42.17.72.52 | 705775668 | 0 |
| 42.17.72.53 | 705775669 | 0 |
| 42.17.72.54 | 705775670 | 0 |
| 42.17.72.55 | 705775671 | 0 |
| 42.17.72.56 | 705775672 | 0 |
| 42.17.72.57 | 705775673 | 0 |
| 42.17.72.58 | 705775674 | 0 |
| 42.17.72.59 | 705775675 | 0 |
| 42.17.72.60 | 705775676 | 0 |
| 42.17.72.61 | 705775677 | 0 |
| 42.17.72.62 | 705775678 | 0 |
| 42.17.72.63 | 705775679 | 0 |
| 42.17.72.64 | 705775680 | 0 |
| 42.17.72.65 | 705775681 | 0 |
| 42.17.72.66 | 705775682 | 0 |
| 42.17.72.67 | 705775683 | 0 |
| 42.17.72.68 | 705775684 | 0 |
| 42.17.72.69 | 705775685 | 0 |
| 42.17.72.70 | 705775686 | 0 |
| 42.17.72.71 | 705775687 | 0 |
| 42.17.72.72 | 705775688 | 0 |
| 42.17.72.73 | 705775689 | 0 |
| 42.17.72.74 | 705775690 | 0 |
| 42.17.72.75 | 705775691 | 0 |
| 42.17.72.76 | 705775692 | 0 |
| 42.17.72.77 | 705775693 | 0 |
| 42.17.72.78 | 705775694 | 0 |
| 42.17.72.79 | 705775695 | 0 |
| 42.17.72.80 | 705775696 | 0 |
| 42.17.72.81 | 705775697 | 0 |
| 42.17.72.82 | 705775698 | 0 |
| 42.17.72.83 | 705775699 | 0 |
| 42.17.72.84 | 705775700 | 0 |
| 42.17.72.85 | 705775701 | 0 |