La dirección IP 42.21.75 es proporcionada por SK Telecom, que es propiedad de la CIDR (Classless Inter-Domain Routing) 42.16.0.0/12, IP entre 42.16.0.0 a 42.31.255.255 ). El número de sistema autónomo (ASN) es 9644.
| ASN | 9644 |
| IP que comienzan con | 42.16.0.0 |
| IP que termina con | 42.31.255.255 |
| ASN Nombre | SK Telecom |
| CDIR | 42.16.0.0/12 |
| IP numérica | |
| Registe | apnic |
| Última actualización | 25/08/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | KR | Korea, Republic of | - | Seoul | 37,5683 | 126,9778 | 2017-08-24 |
| MaxMind | KR | Corea del Sur | - | - | 37,5112 | 126,9741 | 2017-08-24 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 42.21.75.0 | 706038528 | 0 |
| 42.21.75.1 | 706038529 | 0 |
| 42.21.75.2 | 706038530 | 0 |
| 42.21.75.3 | 706038531 | 0 |
| 42.21.75.4 | 706038532 | 0 |
| 42.21.75.5 | 706038533 | 0 |
| 42.21.75.6 | 706038534 | 0 |
| 42.21.75.7 | 706038535 | 0 |
| 42.21.75.8 | 706038536 | 0 |
| 42.21.75.9 | 706038537 | 0 |
| 42.21.75.10 | 706038538 | 0 |
| 42.21.75.11 | 706038539 | 0 |
| 42.21.75.12 | 706038540 | 0 |
| 42.21.75.13 | 706038541 | 0 |
| 42.21.75.14 | 706038542 | 0 |
| 42.21.75.15 | 706038543 | 0 |
| 42.21.75.16 | 706038544 | 0 |
| 42.21.75.17 | 706038545 | 0 |
| 42.21.75.18 | 706038546 | 0 |
| 42.21.75.19 | 706038547 | 0 |
| 42.21.75.20 | 706038548 | 0 |
| 42.21.75.21 | 706038549 | 0 |
| 42.21.75.22 | 706038550 | 0 |
| 42.21.75.23 | 706038551 | 0 |
| 42.21.75.24 | 706038552 | 0 |
| 42.21.75.25 | 706038553 | 0 |
| 42.21.75.26 | 706038554 | 0 |
| 42.21.75.27 | 706038555 | 0 |
| 42.21.75.28 | 706038556 | 0 |
| 42.21.75.29 | 706038557 | 0 |
| 42.21.75.30 | 706038558 | 0 |
| 42.21.75.31 | 706038559 | 0 |
| 42.21.75.32 | 706038560 | 0 |
| 42.21.75.33 | 706038561 | 0 |
| 42.21.75.34 | 706038562 | 0 |
| 42.21.75.35 | 706038563 | 0 |
| 42.21.75.36 | 706038564 | 0 |
| 42.21.75.37 | 706038565 | 0 |
| 42.21.75.38 | 706038566 | 0 |
| 42.21.75.39 | 706038567 | 0 |
| 42.21.75.40 | 706038568 | 0 |
| 42.21.75.41 | 706038569 | 0 |
| 42.21.75.42 | 706038570 | 0 |
| 42.21.75.43 | 706038571 | 0 |
| 42.21.75.44 | 706038572 | 0 |
| 42.21.75.45 | 706038573 | 0 |
| 42.21.75.46 | 706038574 | 0 |
| 42.21.75.47 | 706038575 | 0 |
| 42.21.75.48 | 706038576 | 0 |
| 42.21.75.49 | 706038577 | 0 |
| 42.21.75.50 | 706038578 | 0 |
| 42.21.75.51 | 706038579 | 0 |
| 42.21.75.52 | 706038580 | 0 |
| 42.21.75.53 | 706038581 | 0 |
| 42.21.75.54 | 706038582 | 0 |
| 42.21.75.55 | 706038583 | 0 |
| 42.21.75.56 | 706038584 | 0 |
| 42.21.75.57 | 706038585 | 0 |
| 42.21.75.58 | 706038586 | 0 |
| 42.21.75.59 | 706038587 | 0 |
| 42.21.75.60 | 706038588 | 0 |
| 42.21.75.61 | 706038589 | 0 |
| 42.21.75.62 | 706038590 | 0 |
| 42.21.75.63 | 706038591 | 0 |
| 42.21.75.64 | 706038592 | 0 |
| 42.21.75.65 | 706038593 | 0 |
| 42.21.75.66 | 706038594 | 0 |
| 42.21.75.67 | 706038595 | 0 |
| 42.21.75.68 | 706038596 | 0 |
| 42.21.75.69 | 706038597 | 0 |
| 42.21.75.70 | 706038598 | 0 |
| 42.21.75.71 | 706038599 | 0 |
| 42.21.75.72 | 706038600 | 0 |
| 42.21.75.73 | 706038601 | 0 |
| 42.21.75.74 | 706038602 | 0 |
| 42.21.75.75 | 706038603 | 0 |
| 42.21.75.76 | 706038604 | 0 |
| 42.21.75.77 | 706038605 | 0 |
| 42.21.75.78 | 706038606 | 0 |
| 42.21.75.79 | 706038607 | 0 |
| 42.21.75.80 | 706038608 | 0 |
| 42.21.75.81 | 706038609 | 0 |
| 42.21.75.82 | 706038610 | 0 |
| 42.21.75.83 | 706038611 | 0 |
| 42.21.75.84 | 706038612 | 0 |
| 42.21.75.85 | 706038613 | 0 |