Les adresses IP débutant par 121.4.2 sont fournies par China Networks Inter-Exchange, elles appartiennent au CIDR (Classless Inter-Domain Routing) 121.4.0.0/16, le bloc IP comprant les adresses de 121.4.0.0 à 121.4.255.255). Le numéro de système autonome (ASN) est 4847.
| ASN | 4847 |
| IP commençant par | 121.4.0.0 |
| IP se terminant par | 121.4.255.255 |
| Nom ASN | China Networks Inter-Exchange |
| CDIR | 121.4.0.0/16 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 04/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | CN | Chine | - | Dalian | 41,0696 | 122,5985 | 2017-07-04 |
| MaxMind | CN | Chine | - | Beijing | 39,9289 | 116,3883 | 2017-07-04 |
| Whois | CN | - | - | - | 104 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.4.2.0 | 2030305792 | 0 |
| 121.4.2.1 | 2030305793 | 0 |
| 121.4.2.2 | 2030305794 | 0 |
| 121.4.2.3 | 2030305795 | 0 |
| 121.4.2.4 | 2030305796 | 0 |
| 121.4.2.5 | 2030305797 | 0 |
| 121.4.2.6 | 2030305798 | 0 |
| 121.4.2.7 | 2030305799 | 0 |
| 121.4.2.8 | 2030305800 | 0 |
| 121.4.2.9 | 2030305801 | 0 |
| 121.4.2.10 | 2030305802 | 0 |
| 121.4.2.11 | 2030305803 | 0 |
| 121.4.2.12 | 2030305804 | 0 |
| 121.4.2.13 | 2030305805 | 0 |
| 121.4.2.14 | 2030305806 | 0 |
| 121.4.2.15 | 2030305807 | 0 |
| 121.4.2.16 | 2030305808 | 0 |
| 121.4.2.17 | 2030305809 | 0 |
| 121.4.2.18 | 2030305810 | 0 |
| 121.4.2.19 | 2030305811 | 0 |
| 121.4.2.20 | 2030305812 | 0 |
| 121.4.2.21 | 2030305813 | 0 |
| 121.4.2.22 | 2030305814 | 0 |
| 121.4.2.23 | 2030305815 | 0 |
| 121.4.2.24 | 2030305816 | 0 |
| 121.4.2.25 | 2030305817 | 0 |
| 121.4.2.26 | 2030305818 | 0 |
| 121.4.2.27 | 2030305819 | 0 |
| 121.4.2.28 | 2030305820 | 0 |
| 121.4.2.29 | 2030305821 | 0 |
| 121.4.2.30 | 2030305822 | 0 |
| 121.4.2.31 | 2030305823 | 0 |
| 121.4.2.32 | 2030305824 | 0 |
| 121.4.2.33 | 2030305825 | 0 |
| 121.4.2.34 | 2030305826 | 0 |
| 121.4.2.35 | 2030305827 | 0 |
| 121.4.2.36 | 2030305828 | 0 |
| 121.4.2.37 | 2030305829 | 0 |
| 121.4.2.38 | 2030305830 | 0 |
| 121.4.2.39 | 2030305831 | 0 |
| 121.4.2.40 | 2030305832 | 0 |
| 121.4.2.41 | 2030305833 | 0 |
| 121.4.2.42 | 2030305834 | 0 |
| 121.4.2.43 | 2030305835 | 0 |
| 121.4.2.44 | 2030305836 | 0 |
| 121.4.2.45 | 2030305837 | 0 |
| 121.4.2.46 | 2030305838 | 0 |
| 121.4.2.47 | 2030305839 | 0 |
| 121.4.2.48 | 2030305840 | 0 |
| 121.4.2.49 | 2030305841 | 0 |
| 121.4.2.50 | 2030305842 | 0 |
| 121.4.2.51 | 2030305843 | 0 |
| 121.4.2.52 | 2030305844 | 0 |
| 121.4.2.53 | 2030305845 | 0 |
| 121.4.2.54 | 2030305846 | 0 |
| 121.4.2.55 | 2030305847 | 0 |
| 121.4.2.56 | 2030305848 | 0 |
| 121.4.2.57 | 2030305849 | 0 |
| 121.4.2.58 | 2030305850 | 0 |
| 121.4.2.59 | 2030305851 | 0 |
| 121.4.2.60 | 2030305852 | 0 |
| 121.4.2.61 | 2030305853 | 0 |
| 121.4.2.62 | 2030305854 | 0 |
| 121.4.2.63 | 2030305855 | 0 |
| 121.4.2.64 | 2030305856 | 0 |
| 121.4.2.65 | 2030305857 | 0 |
| 121.4.2.66 | 2030305858 | 0 |
| 121.4.2.67 | 2030305859 | 0 |
| 121.4.2.68 | 2030305860 | 0 |
| 121.4.2.69 | 2030305861 | 0 |
| 121.4.2.70 | 2030305862 | 0 |
| 121.4.2.71 | 2030305863 | 0 |
| 121.4.2.72 | 2030305864 | 0 |
| 121.4.2.73 | 2030305865 | 0 |
| 121.4.2.74 | 2030305866 | 0 |
| 121.4.2.75 | 2030305867 | 0 |
| 121.4.2.76 | 2030305868 | 0 |
| 121.4.2.77 | 2030305869 | 0 |
| 121.4.2.78 | 2030305870 | 0 |
| 121.4.2.79 | 2030305871 | 0 |
| 121.4.2.80 | 2030305872 | 0 |
| 121.4.2.81 | 2030305873 | 0 |
| 121.4.2.82 | 2030305874 | 0 |
| 121.4.2.83 | 2030305875 | 0 |
| 121.4.2.84 | 2030305876 | 0 |
| 121.4.2.85 | 2030305877 | 0 |
| IP | Numerical IP | DNS |
| 121.4.2.86 | 2030305878 | 0 |
| 121.4.2.87 | 2030305879 | 0 |
| 121.4.2.88 | 2030305880 | 0 |
| 121.4.2.89 | 2030305881 | 0 |
| 121.4.2.90 | 2030305882 | 0 |
| 121.4.2.91 | 2030305883 | 0 |
| 121.4.2.92 | 2030305884 | 0 |
| 121.4.2.93 | 2030305885 | 0 |
| 121.4.2.94 | 2030305886 | 0 |
| 121.4.2.95 | 2030305887 | 0 |
| 121.4.2.96 | 2030305888 | 0 |
| 121.4.2.97 | 2030305889 | 0 |
| 121.4.2.98 | 2030305890 | 0 |
| 121.4.2.99 | 2030305891 | 0 |
| 121.4.2.100 | 2030305892 | 0 |
| 121.4.2.101 | 2030305893 | 0 |
| 121.4.2.102 | 2030305894 | 0 |
| 121.4.2.103 | 2030305895 | 0 |
| 121.4.2.104 | 2030305896 | 0 |
| 121.4.2.105 | 2030305897 | 0 |
| 121.4.2.106 | 2030305898 | 0 |
| 121.4.2.107 | 2030305899 | 0 |
| 121.4.2.108 | 2030305900 | 0 |
| 121.4.2.109 | 2030305901 | 0 |
| 121.4.2.110 | 2030305902 | 0 |
| 121.4.2.111 | 2030305903 | 0 |
| 121.4.2.112 | 2030305904 | 0 |
| 121.4.2.113 | 2030305905 | 0 |
| 121.4.2.114 | 2030305906 | 0 |
| 121.4.2.115 | 2030305907 | 0 |
| 121.4.2.116 | 2030305908 | 0 |
| 121.4.2.117 | 2030305909 | 0 |
| 121.4.2.118 | 2030305910 | 0 |
| 121.4.2.119 | 2030305911 | 0 |
| 121.4.2.120 | 2030305912 | 0 |
| 121.4.2.121 | 2030305913 | 0 |
| 121.4.2.122 | 2030305914 | 0 |
| 121.4.2.123 | 2030305915 | 0 |
| 121.4.2.124 | 2030305916 | 0 |
| 121.4.2.125 | 2030305917 | 0 |
| 121.4.2.126 | 2030305918 | 0 |
| 121.4.2.127 | 2030305919 | 0 |
| 121.4.2.128 | 2030305920 | 0 |
| 121.4.2.129 | 2030305921 | 0 |
| 121.4.2.130 | 2030305922 | 0 |
| 121.4.2.131 | 2030305923 | 0 |
| 121.4.2.132 | 2030305924 | 0 |
| 121.4.2.133 | 2030305925 | 0 |
| 121.4.2.134 | 2030305926 | 0 |
| 121.4.2.135 | 2030305927 | 0 |
| 121.4.2.136 | 2030305928 | 0 |
| 121.4.2.137 | 2030305929 | 0 |
| 121.4.2.138 | 2030305930 | 0 |
| 121.4.2.139 | 2030305931 | 0 |
| 121.4.2.140 | 2030305932 | 0 |
| 121.4.2.141 | 2030305933 | 0 |
| 121.4.2.142 | 2030305934 | 0 |
| 121.4.2.143 | 2030305935 | 0 |
| 121.4.2.144 | 2030305936 | 0 |
| 121.4.2.145 | 2030305937 | 0 |
| 121.4.2.146 | 2030305938 | 0 |
| 121.4.2.147 | 2030305939 | 0 |
| 121.4.2.148 | 2030305940 | 0 |
| 121.4.2.149 | 2030305941 | 0 |
| 121.4.2.150 | 2030305942 | 0 |
| 121.4.2.151 | 2030305943 | 0 |
| 121.4.2.152 | 2030305944 | 0 |
| 121.4.2.153 | 2030305945 | 0 |
| 121.4.2.154 | 2030305946 | 0 |
| 121.4.2.155 | 2030305947 | 0 |
| 121.4.2.156 | 2030305948 | 0 |
| 121.4.2.157 | 2030305949 | 0 |
| 121.4.2.158 | 2030305950 | 0 |
| 121.4.2.159 | 2030305951 | 0 |
| 121.4.2.160 | 2030305952 | 0 |
| 121.4.2.161 | 2030305953 | 0 |
| 121.4.2.162 | 2030305954 | 0 |
| 121.4.2.163 | 2030305955 | 0 |
| 121.4.2.164 | 2030305956 | 0 |
| 121.4.2.165 | 2030305957 | 0 |
| 121.4.2.166 | 2030305958 | 0 |
| 121.4.2.167 | 2030305959 | 0 |
| 121.4.2.168 | 2030305960 | 0 |
| 121.4.2.169 | 2030305961 | 0 |
| 121.4.2.170 | 2030305962 | 0 |
| 121.4.2.171 | 2030305963 | 0 |
| IP | Numerical IP | DNS |
| 121.4.2.172 | 2030305964 | 0 |
| 121.4.2.173 | 2030305965 | 0 |
| 121.4.2.174 | 2030305966 | 0 |
| 121.4.2.175 | 2030305967 | 0 |
| 121.4.2.176 | 2030305968 | 0 |
| 121.4.2.177 | 2030305969 | 0 |
| 121.4.2.178 | 2030305970 | 0 |
| 121.4.2.179 | 2030305971 | 0 |
| 121.4.2.180 | 2030305972 | 0 |
| 121.4.2.181 | 2030305973 | 0 |
| 121.4.2.182 | 2030305974 | 0 |
| 121.4.2.183 | 2030305975 | 0 |
| 121.4.2.184 | 2030305976 | 0 |
| 121.4.2.185 | 2030305977 | 0 |
| 121.4.2.186 | 2030305978 | 0 |
| 121.4.2.187 | 2030305979 | 0 |
| 121.4.2.188 | 2030305980 | 0 |
| 121.4.2.189 | 2030305981 | 0 |
| 121.4.2.190 | 2030305982 | 0 |
| 121.4.2.191 | 2030305983 | 0 |
| 121.4.2.192 | 2030305984 | 0 |
| 121.4.2.193 | 2030305985 | 0 |
| 121.4.2.194 | 2030305986 | 0 |
| 121.4.2.195 | 2030305987 | 0 |
| 121.4.2.196 | 2030305988 | 0 |
| 121.4.2.197 | 2030305989 | 0 |
| 121.4.2.198 | 2030305990 | 0 |
| 121.4.2.199 | 2030305991 | 0 |
| 121.4.2.200 | 2030305992 | 0 |
| 121.4.2.201 | 2030305993 | 0 |
| 121.4.2.202 | 2030305994 | 0 |
| 121.4.2.203 | 2030305995 | 0 |
| 121.4.2.204 | 2030305996 | 0 |
| 121.4.2.205 | 2030305997 | 0 |
| 121.4.2.206 | 2030305998 | 0 |
| 121.4.2.207 | 2030305999 | 0 |
| 121.4.2.208 | 2030306000 | 0 |
| 121.4.2.209 | 2030306001 | 0 |
| 121.4.2.210 | 2030306002 | 0 |
| 121.4.2.211 | 2030306003 | 0 |
| 121.4.2.212 | 2030306004 | 0 |
| 121.4.2.213 | 2030306005 | 0 |
| 121.4.2.214 | 2030306006 | 0 |
| 121.4.2.215 | 2030306007 | 0 |
| 121.4.2.216 | 2030306008 | 0 |
| 121.4.2.217 | 2030306009 | 0 |
| 121.4.2.218 | 2030306010 | 0 |
| 121.4.2.219 | 2030306011 | 0 |
| 121.4.2.220 | 2030306012 | 0 |
| 121.4.2.221 | 2030306013 | 0 |
| 121.4.2.222 | 2030306014 | 0 |
| 121.4.2.223 | 2030306015 | 0 |
| 121.4.2.224 | 2030306016 | 0 |
| 121.4.2.225 | 2030306017 | 0 |
| 121.4.2.226 | 2030306018 | 0 |
| 121.4.2.227 | 2030306019 | 0 |
| 121.4.2.228 | 2030306020 | 0 |
| 121.4.2.229 | 2030306021 | 0 |
| 121.4.2.230 | 2030306022 | 0 |
| 121.4.2.231 | 2030306023 | 0 |
| 121.4.2.232 | 2030306024 | 0 |
| 121.4.2.233 | 2030306025 | 0 |
| 121.4.2.234 | 2030306026 | 0 |
| 121.4.2.235 | 2030306027 | 0 |
| 121.4.2.236 | 2030306028 | 0 |
| 121.4.2.237 | 2030306029 | 0 |
| 121.4.2.238 | 2030306030 | 0 |
| 121.4.2.239 | 2030306031 | 0 |
| 121.4.2.240 | 2030306032 | 0 |
| 121.4.2.241 | 2030306033 | 0 |
| 121.4.2.242 | 2030306034 | 0 |
| 121.4.2.243 | 2030306035 | 0 |
| 121.4.2.244 | 2030306036 | 0 |
| 121.4.2.245 | 2030306037 | 0 |
| 121.4.2.246 | 2030306038 | 0 |
| 121.4.2.247 | 2030306039 | 0 |
| 121.4.2.248 | 2030306040 | 0 |
| 121.4.2.249 | 2030306041 | 0 |
| 121.4.2.250 | 2030306042 | 0 |
| 121.4.2.251 | 2030306043 | 0 |
| 121.4.2.252 | 2030306044 | 0 |
| 121.4.2.253 | 2030306045 | 0 |
| 121.4.2.254 | 2030306046 | 0 |
| 121.4.2.255 | 2030306047 | 0 |