Les adresses IP débutant par 121.3.195 sont fournies par So-net Entertainment Corporation, elles appartiennent au CIDR (Classless Inter-Domain Routing) 121.2.0.0/15, le bloc IP comprant les adresses de 121.2.0.0 à 121.3.255.255). Le numéro de système autonome (ASN) est 2527.
| ASN | 2527 |
| IP commençant par | 121.2.0.0 |
| IP se terminant par | 121.3.255.255 |
| Nom ASN | So-net Entertainment Corporation |
| CDIR | 121.2.0.0/15 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 06/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | JP | Japan | - | Tokyo | 35,6895 | 139,6917 | 2017-07-06 |
| MaxMind | JP | Japon | - | Hachioji | 35,6558 | 139,3239 | 2017-07-06 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.3.195.0 | 2030289664 | 0 |
| 121.3.195.1 | 2030289665 | 0 |
| 121.3.195.2 | 2030289666 | 0 |
| 121.3.195.3 | 2030289667 | 0 |
| 121.3.195.4 | 2030289668 | 0 |
| 121.3.195.5 | 2030289669 | 0 |
| 121.3.195.6 | 2030289670 | 0 |
| 121.3.195.7 | 2030289671 | 0 |
| 121.3.195.8 | 2030289672 | 0 |
| 121.3.195.9 | 2030289673 | 0 |
| 121.3.195.10 | 2030289674 | 0 |
| 121.3.195.11 | 2030289675 | 0 |
| 121.3.195.12 | 2030289676 | 0 |
| 121.3.195.13 | 2030289677 | 0 |
| 121.3.195.14 | 2030289678 | 0 |
| 121.3.195.15 | 2030289679 | 0 |
| 121.3.195.16 | 2030289680 | 0 |
| 121.3.195.17 | 2030289681 | 0 |
| 121.3.195.18 | 2030289682 | 0 |
| 121.3.195.19 | 2030289683 | 0 |
| 121.3.195.20 | 2030289684 | 0 |
| 121.3.195.21 | 2030289685 | 0 |
| 121.3.195.22 | 2030289686 | 0 |
| 121.3.195.23 | 2030289687 | 0 |
| 121.3.195.24 | 2030289688 | 0 |
| 121.3.195.25 | 2030289689 | 0 |
| 121.3.195.26 | 2030289690 | 0 |
| 121.3.195.27 | 2030289691 | 0 |
| 121.3.195.28 | 2030289692 | 0 |
| 121.3.195.29 | 2030289693 | 0 |
| 121.3.195.30 | 2030289694 | 0 |
| 121.3.195.31 | 2030289695 | 0 |
| 121.3.195.32 | 2030289696 | 0 |
| 121.3.195.33 | 2030289697 | 0 |
| 121.3.195.34 | 2030289698 | 0 |
| 121.3.195.35 | 2030289699 | 0 |
| 121.3.195.36 | 2030289700 | 0 |
| 121.3.195.37 | 2030289701 | 0 |
| 121.3.195.38 | 2030289702 | 0 |
| 121.3.195.39 | 2030289703 | 0 |
| 121.3.195.40 | 2030289704 | 0 |
| 121.3.195.41 | 2030289705 | 0 |
| 121.3.195.42 | 2030289706 | 0 |
| 121.3.195.43 | 2030289707 | 0 |
| 121.3.195.44 | 2030289708 | 0 |
| 121.3.195.45 | 2030289709 | 0 |
| 121.3.195.46 | 2030289710 | 0 |
| 121.3.195.47 | 2030289711 | 0 |
| 121.3.195.48 | 2030289712 | 0 |
| 121.3.195.49 | 2030289713 | 0 |
| 121.3.195.50 | 2030289714 | 0 |
| 121.3.195.51 | 2030289715 | 0 |
| 121.3.195.52 | 2030289716 | 0 |
| 121.3.195.53 | 2030289717 | 0 |
| 121.3.195.54 | 2030289718 | 0 |
| 121.3.195.55 | 2030289719 | 0 |
| 121.3.195.56 | 2030289720 | 0 |
| 121.3.195.57 | 2030289721 | 0 |
| 121.3.195.58 | 2030289722 | 0 |
| 121.3.195.59 | 2030289723 | 0 |
| 121.3.195.60 | 2030289724 | 0 |
| 121.3.195.61 | 2030289725 | 0 |
| 121.3.195.62 | 2030289726 | 0 |
| 121.3.195.63 | 2030289727 | 0 |
| 121.3.195.64 | 2030289728 | 0 |
| 121.3.195.65 | 2030289729 | 0 |
| 121.3.195.66 | 2030289730 | 0 |
| 121.3.195.67 | 2030289731 | 0 |
| 121.3.195.68 | 2030289732 | 0 |
| 121.3.195.69 | 2030289733 | 0 |
| 121.3.195.70 | 2030289734 | 0 |
| 121.3.195.71 | 2030289735 | 0 |
| 121.3.195.72 | 2030289736 | 0 |
| 121.3.195.73 | 2030289737 | 0 |
| 121.3.195.74 | 2030289738 | 0 |
| 121.3.195.75 | 2030289739 | 0 |
| 121.3.195.76 | 2030289740 | 0 |
| 121.3.195.77 | 2030289741 | 0 |
| 121.3.195.78 | 2030289742 | 0 |
| 121.3.195.79 | 2030289743 | 0 |
| 121.3.195.80 | 2030289744 | 0 |
| 121.3.195.81 | 2030289745 | 0 |
| 121.3.195.82 | 2030289746 | 0 |
| 121.3.195.83 | 2030289747 | 0 |
| 121.3.195.84 | 2030289748 | 0 |
| 121.3.195.85 | 2030289749 | 0 |