The IP address 121.80.10 is provided by K-Opticom Corporation, it's belong to the CDIR (Classless Inter-Domain Routing) 121.80.0.0/14 (range 121.80.0.0 to 121.83.255.255). The autonomous system number (ASN) is 17511.
| ASN | 17511 |
| IP starting by | 121.80.0.0 |
| IP ending by | 121.83.255.255 |
| ASN Name | K-Opticom Corporation |
| CDIR | 121.80.0.0/14 |
| Numerical IP | |
| Registry | apnic |
| Last update | 02/09/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | JP | Japan | - | Otsu | 35.017 | 135.85 | 2017-09-02 |
| MaxMind | JP | Japan | - | Takashima | 35.4135 | 136.0161 | 2017-09-02 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.80.10.0 | 2035288576 | 0 |
| 121.80.10.1 | 2035288577 | 0 |
| 121.80.10.2 | 2035288578 | 0 |
| 121.80.10.3 | 2035288579 | 0 |
| 121.80.10.4 | 2035288580 | 0 |
| 121.80.10.5 | 2035288581 | 0 |
| 121.80.10.6 | 2035288582 | 0 |
| 121.80.10.7 | 2035288583 | 0 |
| 121.80.10.8 | 2035288584 | 0 |
| 121.80.10.9 | 2035288585 | 0 |
| 121.80.10.10 | 2035288586 | 0 |
| 121.80.10.11 | 2035288587 | 0 |
| 121.80.10.12 | 2035288588 | 0 |
| 121.80.10.13 | 2035288589 | 0 |
| 121.80.10.14 | 2035288590 | 0 |
| 121.80.10.15 | 2035288591 | 0 |
| 121.80.10.16 | 2035288592 | 0 |
| 121.80.10.17 | 2035288593 | 0 |
| 121.80.10.18 | 2035288594 | 0 |
| 121.80.10.19 | 2035288595 | 0 |
| 121.80.10.20 | 2035288596 | 0 |
| 121.80.10.21 | 2035288597 | 0 |
| 121.80.10.22 | 2035288598 | 0 |
| 121.80.10.23 | 2035288599 | 0 |
| 121.80.10.24 | 2035288600 | 0 |
| 121.80.10.25 | 2035288601 | 0 |
| 121.80.10.26 | 2035288602 | 0 |
| 121.80.10.27 | 2035288603 | 0 |
| 121.80.10.28 | 2035288604 | 0 |
| 121.80.10.29 | 2035288605 | 0 |
| 121.80.10.30 | 2035288606 | 0 |
| 121.80.10.31 | 2035288607 | 0 |
| 121.80.10.32 | 2035288608 | 0 |
| 121.80.10.33 | 2035288609 | 0 |
| 121.80.10.34 | 2035288610 | 0 |
| 121.80.10.35 | 2035288611 | 0 |
| 121.80.10.36 | 2035288612 | 0 |
| 121.80.10.37 | 2035288613 | 0 |
| 121.80.10.38 | 2035288614 | 0 |
| 121.80.10.39 | 2035288615 | 0 |
| 121.80.10.40 | 2035288616 | 0 |
| 121.80.10.41 | 2035288617 | 0 |
| 121.80.10.42 | 2035288618 | 0 |
| 121.80.10.43 | 2035288619 | 0 |
| 121.80.10.44 | 2035288620 | 0 |
| 121.80.10.45 | 2035288621 | 0 |
| 121.80.10.46 | 2035288622 | 0 |
| 121.80.10.47 | 2035288623 | 0 |
| 121.80.10.48 | 2035288624 | 0 |
| 121.80.10.49 | 2035288625 | 0 |
| 121.80.10.50 | 2035288626 | 0 |
| 121.80.10.51 | 2035288627 | 0 |
| 121.80.10.52 | 2035288628 | 0 |
| 121.80.10.53 | 2035288629 | 0 |
| 121.80.10.54 | 2035288630 | 0 |
| 121.80.10.55 | 2035288631 | 0 |
| 121.80.10.56 | 2035288632 | 0 |
| 121.80.10.57 | 2035288633 | 0 |
| 121.80.10.58 | 2035288634 | 0 |
| 121.80.10.59 | 2035288635 | 0 |
| 121.80.10.60 | 2035288636 | 0 |
| 121.80.10.61 | 2035288637 | 0 |
| 121.80.10.62 | 2035288638 | 0 |
| 121.80.10.63 | 2035288639 | 0 |
| 121.80.10.64 | 2035288640 | 0 |
| 121.80.10.65 | 2035288641 | 0 |
| 121.80.10.66 | 2035288642 | 0 |
| 121.80.10.67 | 2035288643 | 0 |
| 121.80.10.68 | 2035288644 | 0 |
| 121.80.10.69 | 2035288645 | 0 |
| 121.80.10.70 | 2035288646 | 0 |
| 121.80.10.71 | 2035288647 | 0 |
| 121.80.10.72 | 2035288648 | 0 |
| 121.80.10.73 | 2035288649 | 0 |
| 121.80.10.74 | 2035288650 | 0 |
| 121.80.10.75 | 2035288651 | 0 |
| 121.80.10.76 | 2035288652 | 0 |
| 121.80.10.77 | 2035288653 | 0 |
| 121.80.10.78 | 2035288654 | 0 |
| 121.80.10.79 | 2035288655 | 0 |
| 121.80.10.80 | 2035288656 | 0 |
| 121.80.10.81 | 2035288657 | 0 |
| 121.80.10.82 | 2035288658 | 0 |
| 121.80.10.83 | 2035288659 | 0 |
| 121.80.10.84 | 2035288660 | 0 |
| 121.80.10.85 | 2035288661 | 0 |