Die IP-Adresse 121.80.18 erfolgt über K-Opticom Corporation, es hat gehören zu den GGDV (Classless Inter-Domain Routing) 121.80.0.0/14 (Bereich 121.80.0.0, 121.83.255.255). Die autonomen Systemnummer (ASN) ist 17511.
| ASN | 17511 |
| Ausgehend von IP | 121.80.0.0 |
| Beendigung durch IP | 121.83.255.255 |
| ASN-Namen | K-Opticom Corporation |
| GGDV | 121.80.0.0/14 |
| Numerische IP | |
| Registrierung | apnic |
| Letztes update | 16.10.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | JP | Japan | - | Otsu | 35,017 | 135,85 | 2017-10-16 |
| MaxMind | JP | Japan | - | - | 35,1089 | 136,1792 | 2017-10-16 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.80.18.0 | 2035290624 | 0 |
| 121.80.18.1 | 2035290625 | 0 |
| 121.80.18.2 | 2035290626 | 0 |
| 121.80.18.3 | 2035290627 | 0 |
| 121.80.18.4 | 2035290628 | 0 |
| 121.80.18.5 | 2035290629 | 0 |
| 121.80.18.6 | 2035290630 | 0 |
| 121.80.18.7 | 2035290631 | 0 |
| 121.80.18.8 | 2035290632 | 0 |
| 121.80.18.9 | 2035290633 | 0 |
| 121.80.18.10 | 2035290634 | 0 |
| 121.80.18.11 | 2035290635 | 0 |
| 121.80.18.12 | 2035290636 | 0 |
| 121.80.18.13 | 2035290637 | 0 |
| 121.80.18.14 | 2035290638 | 0 |
| 121.80.18.15 | 2035290639 | 0 |
| 121.80.18.16 | 2035290640 | 0 |
| 121.80.18.17 | 2035290641 | 0 |
| 121.80.18.18 | 2035290642 | 0 |
| 121.80.18.19 | 2035290643 | 0 |
| 121.80.18.20 | 2035290644 | 0 |
| 121.80.18.21 | 2035290645 | 0 |
| 121.80.18.22 | 2035290646 | 0 |
| 121.80.18.23 | 2035290647 | 0 |
| 121.80.18.24 | 2035290648 | 0 |
| 121.80.18.25 | 2035290649 | 0 |
| 121.80.18.26 | 2035290650 | 0 |
| 121.80.18.27 | 2035290651 | 0 |
| 121.80.18.28 | 2035290652 | 0 |
| 121.80.18.29 | 2035290653 | 0 |
| 121.80.18.30 | 2035290654 | 0 |
| 121.80.18.31 | 2035290655 | 0 |
| 121.80.18.32 | 2035290656 | 0 |
| 121.80.18.33 | 2035290657 | 0 |
| 121.80.18.34 | 2035290658 | 0 |
| 121.80.18.35 | 2035290659 | 0 |
| 121.80.18.36 | 2035290660 | 0 |
| 121.80.18.37 | 2035290661 | 0 |
| 121.80.18.38 | 2035290662 | 0 |
| 121.80.18.39 | 2035290663 | 0 |
| 121.80.18.40 | 2035290664 | 0 |
| 121.80.18.41 | 2035290665 | 0 |
| 121.80.18.42 | 2035290666 | 0 |
| 121.80.18.43 | 2035290667 | 0 |
| 121.80.18.44 | 2035290668 | 0 |
| 121.80.18.45 | 2035290669 | 0 |
| 121.80.18.46 | 2035290670 | 0 |
| 121.80.18.47 | 2035290671 | 0 |
| 121.80.18.48 | 2035290672 | 0 |
| 121.80.18.49 | 2035290673 | 0 |
| 121.80.18.50 | 2035290674 | 0 |
| 121.80.18.51 | 2035290675 | 0 |
| 121.80.18.52 | 2035290676 | 0 |
| 121.80.18.53 | 2035290677 | 0 |
| 121.80.18.54 | 2035290678 | 0 |
| 121.80.18.55 | 2035290679 | 0 |
| 121.80.18.56 | 2035290680 | 0 |
| 121.80.18.57 | 2035290681 | 0 |
| 121.80.18.58 | 2035290682 | 0 |
| 121.80.18.59 | 2035290683 | 0 |
| 121.80.18.60 | 2035290684 | 0 |
| 121.80.18.61 | 2035290685 | 0 |
| 121.80.18.62 | 2035290686 | 0 |
| 121.80.18.63 | 2035290687 | 0 |
| 121.80.18.64 | 2035290688 | 0 |
| 121.80.18.65 | 2035290689 | 0 |
| 121.80.18.66 | 2035290690 | 0 |
| 121.80.18.67 | 2035290691 | 0 |
| 121.80.18.68 | 2035290692 | 0 |
| 121.80.18.69 | 2035290693 | 0 |
| 121.80.18.70 | 2035290694 | 0 |
| 121.80.18.71 | 2035290695 | 0 |
| 121.80.18.72 | 2035290696 | 0 |
| 121.80.18.73 | 2035290697 | 0 |
| 121.80.18.74 | 2035290698 | 0 |
| 121.80.18.75 | 2035290699 | 0 |
| 121.80.18.76 | 2035290700 | 0 |
| 121.80.18.77 | 2035290701 | 0 |
| 121.80.18.78 | 2035290702 | 0 |
| 121.80.18.79 | 2035290703 | 0 |
| 121.80.18.80 | 2035290704 | 0 |
| 121.80.18.81 | 2035290705 | 0 |
| 121.80.18.82 | 2035290706 | 0 |
| 121.80.18.83 | 2035290707 | 0 |
| 121.80.18.84 | 2035290708 | 0 |
| 121.80.18.85 | 2035290709 | 0 |