The IP address 121.157.9 is provided by Korea Telecom, it's belong to the CDIR (Classless Inter-Domain Routing) 121.128.0.0/11 (range 121.128.0.0 to 121.159.255.255). The autonomous system number (ASN) is 4766.
| ASN | 4766 |
| IP starting by | 121.128.0.0 |
| IP ending by | 121.159.255.255 |
| ASN Name | Korea Telecom |
| CDIR | 121.128.0.0/11 |
| Numerical IP | |
| Registry | apnic |
| Last update | 07/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | KR | South Korea | - | Seoul | 37.5683 | 126.9778 | 2018-03-25 |
| MaxMind | KR | South Korea | - | - | 37.5112 | 126.9741 | 2018-03-25 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.157.9.0 | 2040334592 | 0 |
| 121.157.9.1 | 2040334593 | 0 |
| 121.157.9.2 | 2040334594 | 0 |
| 121.157.9.3 | 2040334595 | 0 |
| 121.157.9.4 | 2040334596 | 0 |
| 121.157.9.5 | 2040334597 | 0 |
| 121.157.9.6 | 2040334598 | 0 |
| 121.157.9.7 | 2040334599 | 0 |
| 121.157.9.8 | 2040334600 | 0 |
| 121.157.9.9 | 2040334601 | 0 |
| 121.157.9.10 | 2040334602 | 0 |
| 121.157.9.11 | 2040334603 | 0 |
| 121.157.9.12 | 2040334604 | 0 |
| 121.157.9.13 | 2040334605 | 0 |
| 121.157.9.14 | 2040334606 | 0 |
| 121.157.9.15 | 2040334607 | 0 |
| 121.157.9.16 | 2040334608 | 0 |
| 121.157.9.17 | 2040334609 | 0 |
| 121.157.9.18 | 2040334610 | 0 |
| 121.157.9.19 | 2040334611 | 0 |
| 121.157.9.20 | 2040334612 | 0 |
| 121.157.9.21 | 2040334613 | 0 |
| 121.157.9.22 | 2040334614 | 0 |
| 121.157.9.23 | 2040334615 | 0 |
| 121.157.9.24 | 2040334616 | 0 |
| 121.157.9.25 | 2040334617 | 0 |
| 121.157.9.26 | 2040334618 | 0 |
| 121.157.9.27 | 2040334619 | 0 |
| 121.157.9.28 | 2040334620 | 0 |
| 121.157.9.29 | 2040334621 | 0 |
| 121.157.9.30 | 2040334622 | 0 |
| 121.157.9.31 | 2040334623 | 0 |
| 121.157.9.32 | 2040334624 | 0 |
| 121.157.9.33 | 2040334625 | 0 |
| 121.157.9.34 | 2040334626 | 0 |
| 121.157.9.35 | 2040334627 | 0 |
| 121.157.9.36 | 2040334628 | 0 |
| 121.157.9.37 | 2040334629 | 0 |
| 121.157.9.38 | 2040334630 | 0 |
| 121.157.9.39 | 2040334631 | 0 |
| 121.157.9.40 | 2040334632 | 0 |
| 121.157.9.41 | 2040334633 | 0 |
| 121.157.9.42 | 2040334634 | 0 |
| 121.157.9.43 | 2040334635 | 0 |
| 121.157.9.44 | 2040334636 | 0 |
| 121.157.9.45 | 2040334637 | 0 |
| 121.157.9.46 | 2040334638 | 0 |
| 121.157.9.47 | 2040334639 | 0 |
| 121.157.9.48 | 2040334640 | 0 |
| 121.157.9.49 | 2040334641 | 0 |
| 121.157.9.50 | 2040334642 | 0 |
| 121.157.9.51 | 2040334643 | 0 |
| 121.157.9.52 | 2040334644 | 0 |
| 121.157.9.53 | 2040334645 | 0 |
| 121.157.9.54 | 2040334646 | 0 |
| 121.157.9.55 | 2040334647 | 0 |
| 121.157.9.56 | 2040334648 | 0 |
| 121.157.9.57 | 2040334649 | 0 |
| 121.157.9.58 | 2040334650 | 0 |
| 121.157.9.59 | 2040334651 | 0 |
| 121.157.9.60 | 2040334652 | 0 |
| 121.157.9.61 | 2040334653 | 0 |
| 121.157.9.62 | 2040334654 | 0 |
| 121.157.9.63 | 2040334655 | 0 |
| 121.157.9.64 | 2040334656 | 0 |
| 121.157.9.65 | 2040334657 | 0 |
| 121.157.9.66 | 2040334658 | 0 |
| 121.157.9.67 | 2040334659 | 0 |
| 121.157.9.68 | 2040334660 | 0 |
| 121.157.9.69 | 2040334661 | 0 |
| 121.157.9.70 | 2040334662 | 0 |
| 121.157.9.71 | 2040334663 | 0 |
| 121.157.9.72 | 2040334664 | 0 |
| 121.157.9.73 | 2040334665 | 0 |
| 121.157.9.74 | 2040334666 | 0 |
| 121.157.9.75 | 2040334667 | 0 |
| 121.157.9.76 | 2040334668 | 0 |
| 121.157.9.77 | 2040334669 | 0 |
| 121.157.9.78 | 2040334670 | 0 |
| 121.157.9.79 | 2040334671 | 0 |
| 121.157.9.80 | 2040334672 | 0 |
| 121.157.9.81 | 2040334673 | 0 |
| 121.157.9.82 | 2040334674 | 0 |
| 121.157.9.83 | 2040334675 | 0 |
| 121.157.9.84 | 2040334676 | 0 |
| 121.157.9.85 | 2040334677 | 0 |