Die IP-Adresse 121.3.125 erfolgt über So-net Entertainment Corporation, es hat gehören zu den GGDV (Classless Inter-Domain Routing) 121.2.0.0/15 (Bereich 121.2.0.0, 121.3.255.255). Die autonomen Systemnummer (ASN) ist 2527.
| ASN | 2527 |
| Ausgehend von IP | 121.2.0.0 |
| Beendigung durch IP | 121.3.255.255 |
| ASN-Namen | So-net Entertainment Corporation |
| GGDV | 121.2.0.0/15 |
| Numerische IP | |
| Registrierung | apnic |
| Letztes update | 20.03.2019 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | JP | Japan | - | Yokohama | 35,4442 | 139,6381 | 2019-03-19 |
| MaxMind | JP | Japan | - | Yokohama | 35,4478 | 139,6425 | 2019-03-19 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.3.125.0 | 2030271744 | 0 |
| 121.3.125.1 | 2030271745 | 0 |
| 121.3.125.2 | 2030271746 | 0 |
| 121.3.125.3 | 2030271747 | 0 |
| 121.3.125.4 | 2030271748 | 0 |
| 121.3.125.5 | 2030271749 | 0 |
| 121.3.125.6 | 2030271750 | 0 |
| 121.3.125.7 | 2030271751 | 0 |
| 121.3.125.8 | 2030271752 | 0 |
| 121.3.125.9 | 2030271753 | 0 |
| 121.3.125.10 | 2030271754 | 0 |
| 121.3.125.11 | 2030271755 | 0 |
| 121.3.125.12 | 2030271756 | 0 |
| 121.3.125.13 | 2030271757 | 0 |
| 121.3.125.14 | 2030271758 | 0 |
| 121.3.125.15 | 2030271759 | 0 |
| 121.3.125.16 | 2030271760 | 0 |
| 121.3.125.17 | 2030271761 | 0 |
| 121.3.125.18 | 2030271762 | 0 |
| 121.3.125.19 | 2030271763 | 0 |
| 121.3.125.20 | 2030271764 | 0 |
| 121.3.125.21 | 2030271765 | 0 |
| 121.3.125.22 | 2030271766 | 0 |
| 121.3.125.23 | 2030271767 | 0 |
| 121.3.125.24 | 2030271768 | 0 |
| 121.3.125.25 | 2030271769 | 0 |
| 121.3.125.26 | 2030271770 | 0 |
| 121.3.125.27 | 2030271771 | 0 |
| 121.3.125.28 | 2030271772 | 0 |
| 121.3.125.29 | 2030271773 | 0 |
| 121.3.125.30 | 2030271774 | 0 |
| 121.3.125.31 | 2030271775 | 0 |
| 121.3.125.32 | 2030271776 | 0 |
| 121.3.125.33 | 2030271777 | 0 |
| 121.3.125.34 | 2030271778 | 0 |
| 121.3.125.35 | 2030271779 | 0 |
| 121.3.125.36 | 2030271780 | 0 |
| 121.3.125.37 | 2030271781 | 0 |
| 121.3.125.38 | 2030271782 | 0 |
| 121.3.125.39 | 2030271783 | 0 |
| 121.3.125.40 | 2030271784 | 0 |
| 121.3.125.41 | 2030271785 | 0 |
| 121.3.125.42 | 2030271786 | 0 |
| 121.3.125.43 | 2030271787 | 0 |
| 121.3.125.44 | 2030271788 | 0 |
| 121.3.125.45 | 2030271789 | 0 |
| 121.3.125.46 | 2030271790 | 0 |
| 121.3.125.47 | 2030271791 | 0 |
| 121.3.125.48 | 2030271792 | 0 |
| 121.3.125.49 | 2030271793 | 0 |
| 121.3.125.50 | 2030271794 | 0 |
| 121.3.125.51 | 2030271795 | 0 |
| 121.3.125.52 | 2030271796 | 0 |
| 121.3.125.53 | 2030271797 | 0 |
| 121.3.125.54 | 2030271798 | 0 |
| 121.3.125.55 | 2030271799 | 0 |
| 121.3.125.56 | 2030271800 | 0 |
| 121.3.125.57 | 2030271801 | 0 |
| 121.3.125.58 | 2030271802 | 0 |
| 121.3.125.59 | 2030271803 | 0 |
| 121.3.125.60 | 2030271804 | 0 |
| 121.3.125.61 | 2030271805 | 0 |
| 121.3.125.62 | 2030271806 | 0 |
| 121.3.125.63 | 2030271807 | 0 |
| 121.3.125.64 | 2030271808 | 0 |
| 121.3.125.65 | 2030271809 | 0 |
| 121.3.125.66 | 2030271810 | 0 |
| 121.3.125.67 | 2030271811 | 0 |
| 121.3.125.68 | 2030271812 | 0 |
| 121.3.125.69 | 2030271813 | 0 |
| 121.3.125.70 | 2030271814 | 0 |
| 121.3.125.71 | 2030271815 | 0 |
| 121.3.125.72 | 2030271816 | 0 |
| 121.3.125.73 | 2030271817 | 0 |
| 121.3.125.74 | 2030271818 | 0 |
| 121.3.125.75 | 2030271819 | 0 |
| 121.3.125.76 | 2030271820 | 0 |
| 121.3.125.77 | 2030271821 | 0 |
| 121.3.125.78 | 2030271822 | 0 |
| 121.3.125.79 | 2030271823 | 0 |
| 121.3.125.80 | 2030271824 | 0 |
| 121.3.125.81 | 2030271825 | 0 |
| 121.3.125.82 | 2030271826 | 0 |
| 121.3.125.83 | 2030271827 | 0 |
| 121.3.125.84 | 2030271828 | 0 |
| 121.3.125.85 | 2030271829 | 0 |