Les adresses IP débutant par 166.121.4 sont fournies par Big Red Group, elles appartiennent au CIDR (Classless Inter-Domain Routing) 1.0.4.0/24, le bloc IP comprant les adresses de 1.0.4.0 à 1.0.4.255). Le numéro de système autonome (ASN) est 56203.
| ASN | 56203 |
| IP commençant par | 1.0.4.0 |
| IP se terminant par | 1.0.4.255 |
| Nom ASN | Big Red Group |
| CDIR | 1.0.4.0/24 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 07/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | SG | Singapour | - | Singapore | 1,2897 | 103,8501 | 2017-07-07 |
| MaxMind | SG | Singapour | - | Singapore | 1,2855 | 103,8565 | 2017-07-07 |
| Whois | AU | - | - | - | 134 | -25 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 166.121.4.0 | 2792948736 | 0 |
| 166.121.4.1 | 2792948737 | 0 |
| 166.121.4.2 | 2792948738 | 0 |
| 166.121.4.3 | 2792948739 | 0 |
| 166.121.4.4 | 2792948740 | 0 |
| 166.121.4.5 | 2792948741 | 0 |
| 166.121.4.6 | 2792948742 | 0 |
| 166.121.4.7 | 2792948743 | 0 |
| 166.121.4.8 | 2792948744 | 0 |
| 166.121.4.9 | 2792948745 | 0 |
| 166.121.4.10 | 2792948746 | 0 |
| 166.121.4.11 | 2792948747 | 0 |
| 166.121.4.12 | 2792948748 | 0 |
| 166.121.4.13 | 2792948749 | 0 |
| 166.121.4.14 | 2792948750 | 0 |
| 166.121.4.15 | 2792948751 | 0 |
| 166.121.4.16 | 2792948752 | 0 |
| 166.121.4.17 | 2792948753 | 0 |
| 166.121.4.18 | 2792948754 | 0 |
| 166.121.4.19 | 2792948755 | 0 |
| 166.121.4.20 | 2792948756 | 0 |
| 166.121.4.21 | 2792948757 | 0 |
| 166.121.4.22 | 2792948758 | 0 |
| 166.121.4.23 | 2792948759 | 0 |
| 166.121.4.24 | 2792948760 | 0 |
| 166.121.4.25 | 2792948761 | 0 |
| 166.121.4.26 | 2792948762 | 0 |
| 166.121.4.27 | 2792948763 | 0 |
| 166.121.4.28 | 2792948764 | 0 |
| 166.121.4.29 | 2792948765 | 0 |
| 166.121.4.30 | 2792948766 | 0 |
| 166.121.4.31 | 2792948767 | 0 |
| 166.121.4.32 | 2792948768 | 0 |
| 166.121.4.33 | 2792948769 | 0 |
| 166.121.4.34 | 2792948770 | 0 |
| 166.121.4.35 | 2792948771 | 0 |
| 166.121.4.36 | 2792948772 | 0 |
| 166.121.4.37 | 2792948773 | 0 |
| 166.121.4.38 | 2792948774 | 0 |
| 166.121.4.39 | 2792948775 | 0 |
| 166.121.4.40 | 2792948776 | 0 |
| 166.121.4.41 | 2792948777 | 0 |
| 166.121.4.42 | 2792948778 | 0 |
| 166.121.4.43 | 2792948779 | 0 |
| 166.121.4.44 | 2792948780 | 0 |
| 166.121.4.45 | 2792948781 | 0 |
| 166.121.4.46 | 2792948782 | 0 |
| 166.121.4.47 | 2792948783 | 0 |
| 166.121.4.48 | 2792948784 | 0 |
| 166.121.4.49 | 2792948785 | 0 |
| 166.121.4.50 | 2792948786 | 0 |
| 166.121.4.51 | 2792948787 | 0 |
| 166.121.4.52 | 2792948788 | 0 |
| 166.121.4.53 | 2792948789 | 0 |
| 166.121.4.54 | 2792948790 | 0 |
| 166.121.4.55 | 2792948791 | 0 |
| 166.121.4.56 | 2792948792 | 0 |
| 166.121.4.57 | 2792948793 | 0 |
| 166.121.4.58 | 2792948794 | 0 |
| 166.121.4.59 | 2792948795 | 0 |
| 166.121.4.60 | 2792948796 | 0 |
| 166.121.4.61 | 2792948797 | 0 |
| 166.121.4.62 | 2792948798 | 0 |
| 166.121.4.63 | 2792948799 | 0 |
| 166.121.4.64 | 2792948800 | 0 |
| 166.121.4.65 | 2792948801 | 0 |
| 166.121.4.66 | 2792948802 | 0 |
| 166.121.4.67 | 2792948803 | 0 |
| 166.121.4.68 | 2792948804 | 0 |
| 166.121.4.69 | 2792948805 | 0 |
| 166.121.4.70 | 2792948806 | 0 |
| 166.121.4.71 | 2792948807 | 0 |
| 166.121.4.72 | 2792948808 | 0 |
| 166.121.4.73 | 2792948809 | 0 |
| 166.121.4.74 | 2792948810 | 0 |
| 166.121.4.75 | 2792948811 | 0 |
| 166.121.4.76 | 2792948812 | 0 |
| 166.121.4.77 | 2792948813 | 0 |
| 166.121.4.78 | 2792948814 | 0 |
| 166.121.4.79 | 2792948815 | 0 |
| 166.121.4.80 | 2792948816 | 0 |
| 166.121.4.81 | 2792948817 | 0 |
| 166.121.4.82 | 2792948818 | 0 |
| 166.121.4.83 | 2792948819 | 0 |
| 166.121.4.84 | 2792948820 | 0 |
| 166.121.4.85 | 2792948821 | 0 |