Les adresses IP débutant par 192.51.97 sont fournies par K-Opticom Corporation, elles appartiennent au CIDR (Classless Inter-Domain Routing) 192.51.144.0/21, le bloc IP comprant les adresses de 192.51.144.0 à 192.51.151.255). Le numéro de système autonome (ASN) est 17511.
| ASN | 17511 |
| IP commençant par | 192.51.144.0 |
| IP se terminant par | 192.51.151.255 |
| Nom ASN | K-Opticom Corporation |
| CDIR | 192.51.144.0/21 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 31/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | JP | Japon | - | Kanda | 33,783 | 130,983 | 2017-07-30 |
| MaxMind | JP | Japon | - | - | 35,69 | 139,69 | 2017-07-30 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 192.51.97.0 | 3224592640 | 0 |
| 192.51.97.1 | 3224592641 | 0 |
| 192.51.97.2 | 3224592642 | 0 |
| 192.51.97.3 | 3224592643 | 0 |
| 192.51.97.4 | 3224592644 | 0 |
| 192.51.97.5 | 3224592645 | 0 |
| 192.51.97.6 | 3224592646 | 0 |
| 192.51.97.7 | 3224592647 | 0 |
| 192.51.97.8 | 3224592648 | 0 |
| 192.51.97.9 | 3224592649 | 0 |
| 192.51.97.10 | 3224592650 | 0 |
| 192.51.97.11 | 3224592651 | 0 |
| 192.51.97.12 | 3224592652 | 0 |
| 192.51.97.13 | 3224592653 | 0 |
| 192.51.97.14 | 3224592654 | 0 |
| 192.51.97.15 | 3224592655 | 0 |
| 192.51.97.16 | 3224592656 | 0 |
| 192.51.97.17 | 3224592657 | 0 |
| 192.51.97.18 | 3224592658 | 0 |
| 192.51.97.19 | 3224592659 | 0 |
| 192.51.97.20 | 3224592660 | 0 |
| 192.51.97.21 | 3224592661 | 0 |
| 192.51.97.22 | 3224592662 | 0 |
| 192.51.97.23 | 3224592663 | 0 |
| 192.51.97.24 | 3224592664 | 0 |
| 192.51.97.25 | 3224592665 | 0 |
| 192.51.97.26 | 3224592666 | 0 |
| 192.51.97.27 | 3224592667 | 0 |
| 192.51.97.28 | 3224592668 | 0 |
| 192.51.97.29 | 3224592669 | 0 |
| 192.51.97.30 | 3224592670 | 0 |
| 192.51.97.31 | 3224592671 | 0 |
| 192.51.97.32 | 3224592672 | 0 |
| 192.51.97.33 | 3224592673 | 0 |
| 192.51.97.34 | 3224592674 | 0 |
| 192.51.97.35 | 3224592675 | 0 |
| 192.51.97.36 | 3224592676 | 0 |
| 192.51.97.37 | 3224592677 | 0 |
| 192.51.97.38 | 3224592678 | 0 |
| 192.51.97.39 | 3224592679 | 0 |
| 192.51.97.40 | 3224592680 | 0 |
| 192.51.97.41 | 3224592681 | 0 |
| 192.51.97.42 | 3224592682 | 0 |
| 192.51.97.43 | 3224592683 | 0 |
| 192.51.97.44 | 3224592684 | 0 |
| 192.51.97.45 | 3224592685 | 0 |
| 192.51.97.46 | 3224592686 | 0 |
| 192.51.97.47 | 3224592687 | 0 |
| 192.51.97.48 | 3224592688 | 0 |
| 192.51.97.49 | 3224592689 | 0 |
| 192.51.97.50 | 3224592690 | 0 |
| 192.51.97.51 | 3224592691 | 0 |
| 192.51.97.52 | 3224592692 | 0 |
| 192.51.97.53 | 3224592693 | 0 |
| 192.51.97.54 | 3224592694 | 0 |
| 192.51.97.55 | 3224592695 | 0 |
| 192.51.97.56 | 3224592696 | 0 |
| 192.51.97.57 | 3224592697 | 0 |
| 192.51.97.58 | 3224592698 | 0 |
| 192.51.97.59 | 3224592699 | 0 |
| 192.51.97.60 | 3224592700 | 0 |
| 192.51.97.61 | 3224592701 | 0 |
| 192.51.97.62 | 3224592702 | 0 |
| 192.51.97.63 | 3224592703 | 0 |
| 192.51.97.64 | 3224592704 | 0 |
| 192.51.97.65 | 3224592705 | 0 |
| 192.51.97.66 | 3224592706 | 0 |
| 192.51.97.67 | 3224592707 | 0 |
| 192.51.97.68 | 3224592708 | 0 |
| 192.51.97.69 | 3224592709 | 0 |
| 192.51.97.70 | 3224592710 | 0 |
| 192.51.97.71 | 3224592711 | 0 |
| 192.51.97.72 | 3224592712 | 0 |
| 192.51.97.73 | 3224592713 | 0 |
| 192.51.97.74 | 3224592714 | 0 |
| 192.51.97.75 | 3224592715 | 0 |
| 192.51.97.76 | 3224592716 | 0 |
| 192.51.97.77 | 3224592717 | 0 |
| 192.51.97.78 | 3224592718 | 0 |
| 192.51.97.79 | 3224592719 | 0 |
| 192.51.97.80 | 3224592720 | 0 |
| 192.51.97.81 | 3224592721 | 0 |
| 192.51.97.82 | 3224592722 | 0 |
| 192.51.97.83 | 3224592723 | 0 |
| 192.51.97.84 | 3224592724 | 0 |
| 192.51.97.85 | 3224592725 | 0 |