Les adresses IP débutant par 121.2.201 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 | 22/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | JP | Japon | - | Mito | 36,367 | 140,467 | 2017-09-22 |
| MaxMind | JP | Japon | - | Tokyo | 35,6427 | 139,7677 | 2017-09-22 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.2.201.0 | 2030225664 | 0 |
| 121.2.201.1 | 2030225665 | 0 |
| 121.2.201.2 | 2030225666 | 0 |
| 121.2.201.3 | 2030225667 | 0 |
| 121.2.201.4 | 2030225668 | 0 |
| 121.2.201.5 | 2030225669 | 0 |
| 121.2.201.6 | 2030225670 | 0 |
| 121.2.201.7 | 2030225671 | 0 |
| 121.2.201.8 | 2030225672 | 0 |
| 121.2.201.9 | 2030225673 | 0 |
| 121.2.201.10 | 2030225674 | 0 |
| 121.2.201.11 | 2030225675 | 0 |
| 121.2.201.12 | 2030225676 | 0 |
| 121.2.201.13 | 2030225677 | 0 |
| 121.2.201.14 | 2030225678 | 0 |
| 121.2.201.15 | 2030225679 | 0 |
| 121.2.201.16 | 2030225680 | 0 |
| 121.2.201.17 | 2030225681 | 0 |
| 121.2.201.18 | 2030225682 | 0 |
| 121.2.201.19 | 2030225683 | 0 |
| 121.2.201.20 | 2030225684 | 0 |
| 121.2.201.21 | 2030225685 | 0 |
| 121.2.201.22 | 2030225686 | 0 |
| 121.2.201.23 | 2030225687 | 0 |
| 121.2.201.24 | 2030225688 | 0 |
| 121.2.201.25 | 2030225689 | 0 |
| 121.2.201.26 | 2030225690 | 0 |
| 121.2.201.27 | 2030225691 | 0 |
| 121.2.201.28 | 2030225692 | 0 |
| 121.2.201.29 | 2030225693 | 0 |
| 121.2.201.30 | 2030225694 | 0 |
| 121.2.201.31 | 2030225695 | 0 |
| 121.2.201.32 | 2030225696 | 0 |
| 121.2.201.33 | 2030225697 | 0 |
| 121.2.201.34 | 2030225698 | 0 |
| 121.2.201.35 | 2030225699 | 0 |
| 121.2.201.36 | 2030225700 | 0 |
| 121.2.201.37 | 2030225701 | 0 |
| 121.2.201.38 | 2030225702 | 0 |
| 121.2.201.39 | 2030225703 | 0 |
| 121.2.201.40 | 2030225704 | 0 |
| 121.2.201.41 | 2030225705 | 0 |
| 121.2.201.42 | 2030225706 | 0 |
| 121.2.201.43 | 2030225707 | 0 |
| 121.2.201.44 | 2030225708 | 0 |
| 121.2.201.45 | 2030225709 | 0 |
| 121.2.201.46 | 2030225710 | 0 |
| 121.2.201.47 | 2030225711 | 0 |
| 121.2.201.48 | 2030225712 | 0 |
| 121.2.201.49 | 2030225713 | 0 |
| 121.2.201.50 | 2030225714 | 0 |
| 121.2.201.51 | 2030225715 | 0 |
| 121.2.201.52 | 2030225716 | 0 |
| 121.2.201.53 | 2030225717 | 0 |
| 121.2.201.54 | 2030225718 | 0 |
| 121.2.201.55 | 2030225719 | 0 |
| 121.2.201.56 | 2030225720 | 0 |
| 121.2.201.57 | 2030225721 | 0 |
| 121.2.201.58 | 2030225722 | 0 |
| 121.2.201.59 | 2030225723 | 0 |
| 121.2.201.60 | 2030225724 | 0 |
| 121.2.201.61 | 2030225725 | 0 |
| 121.2.201.62 | 2030225726 | 0 |
| 121.2.201.63 | 2030225727 | 0 |
| 121.2.201.64 | 2030225728 | 0 |
| 121.2.201.65 | 2030225729 | 0 |
| 121.2.201.66 | 2030225730 | 0 |
| 121.2.201.67 | 2030225731 | 0 |
| 121.2.201.68 | 2030225732 | 0 |
| 121.2.201.69 | 2030225733 | 0 |
| 121.2.201.70 | 2030225734 | 0 |
| 121.2.201.71 | 2030225735 | 0 |
| 121.2.201.72 | 2030225736 | 0 |
| 121.2.201.73 | 2030225737 | 0 |
| 121.2.201.74 | 2030225738 | 0 |
| 121.2.201.75 | 2030225739 | 0 |
| 121.2.201.76 | 2030225740 | 0 |
| 121.2.201.77 | 2030225741 | 0 |
| 121.2.201.78 | 2030225742 | 0 |
| 121.2.201.79 | 2030225743 | 0 |
| 121.2.201.80 | 2030225744 | 0 |
| 121.2.201.81 | 2030225745 | 0 |
| 121.2.201.82 | 2030225746 | 0 |
| 121.2.201.83 | 2030225747 | 0 |
| 121.2.201.84 | 2030225748 | 0 |
| 121.2.201.85 | 2030225749 | 0 |