Die IP-Adresse 121.51.21 erfolgt über Shenzhen Tencent Computer Systems Compa, es hat gehören zu den GGDV (Classless Inter-Domain Routing) 121.51.0.0/16 (Bereich 121.51.0.0, 121.51.255.255). Die autonomen Systemnummer (ASN) ist 45090.
| ASN | 45090 |
| Ausgehend von IP | 121.51.0.0 |
| Beendigung durch IP | 121.51.255.255 |
| ASN-Namen | Shenzhen Tencent Computer Systems Compa |
| GGDV | 121.51.0.0/16 |
| Numerische IP | |
| Registrierung | apnic |
| Letztes update | 27.10.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | CN | China | - | Shenzhen | 22,5455 | 114,0683 | 2017-10-27 |
| MaxMind | CN | China | - | Shenzhen | 22,5333 | 114,1333 | 2017-10-27 |
| Whois | CN | - | - | - | 104 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.51.21.0 | 2033390848 | 0 |
| 121.51.21.1 | 2033390849 | 0 |
| 121.51.21.2 | 2033390850 | 0 |
| 121.51.21.3 | 2033390851 | 0 |
| 121.51.21.4 | 2033390852 | 0 |
| 121.51.21.5 | 2033390853 | 0 |
| 121.51.21.6 | 2033390854 | 0 |
| 121.51.21.7 | 2033390855 | 0 |
| 121.51.21.8 | 2033390856 | 0 |
| 121.51.21.9 | 2033390857 | 0 |
| 121.51.21.10 | 2033390858 | 0 |
| 121.51.21.11 | 2033390859 | 0 |
| 121.51.21.12 | 2033390860 | 0 |
| 121.51.21.13 | 2033390861 | 0 |
| 121.51.21.14 | 2033390862 | 0 |
| 121.51.21.15 | 2033390863 | 0 |
| 121.51.21.16 | 2033390864 | 0 |
| 121.51.21.17 | 2033390865 | 0 |
| 121.51.21.18 | 2033390866 | 0 |
| 121.51.21.19 | 2033390867 | 0 |
| 121.51.21.20 | 2033390868 | 0 |
| 121.51.21.21 | 2033390869 | 0 |
| 121.51.21.22 | 2033390870 | 0 |
| 121.51.21.23 | 2033390871 | 0 |
| 121.51.21.24 | 2033390872 | 0 |
| 121.51.21.25 | 2033390873 | 0 |
| 121.51.21.26 | 2033390874 | 0 |
| 121.51.21.27 | 2033390875 | 0 |
| 121.51.21.28 | 2033390876 | 0 |
| 121.51.21.29 | 2033390877 | 0 |
| 121.51.21.30 | 2033390878 | 0 |
| 121.51.21.31 | 2033390879 | 0 |
| 121.51.21.32 | 2033390880 | 0 |
| 121.51.21.33 | 2033390881 | 0 |
| 121.51.21.34 | 2033390882 | 0 |
| 121.51.21.35 | 2033390883 | 0 |
| 121.51.21.36 | 2033390884 | 0 |
| 121.51.21.37 | 2033390885 | 0 |
| 121.51.21.38 | 2033390886 | 0 |
| 121.51.21.39 | 2033390887 | 0 |
| 121.51.21.40 | 2033390888 | 0 |
| 121.51.21.41 | 2033390889 | 0 |
| 121.51.21.42 | 2033390890 | 0 |
| 121.51.21.43 | 2033390891 | 0 |
| 121.51.21.44 | 2033390892 | 0 |
| 121.51.21.45 | 2033390893 | 0 |
| 121.51.21.46 | 2033390894 | 0 |
| 121.51.21.47 | 2033390895 | 0 |
| 121.51.21.48 | 2033390896 | 0 |
| 121.51.21.49 | 2033390897 | 0 |
| 121.51.21.50 | 2033390898 | 0 |
| 121.51.21.51 | 2033390899 | 0 |
| 121.51.21.52 | 2033390900 | 0 |
| 121.51.21.53 | 2033390901 | 0 |
| 121.51.21.54 | 2033390902 | 0 |
| 121.51.21.55 | 2033390903 | 0 |
| 121.51.21.56 | 2033390904 | 0 |
| 121.51.21.57 | 2033390905 | 0 |
| 121.51.21.58 | 2033390906 | 0 |
| 121.51.21.59 | 2033390907 | 0 |
| 121.51.21.60 | 2033390908 | 0 |
| 121.51.21.61 | 2033390909 | 0 |
| 121.51.21.62 | 2033390910 | 0 |
| 121.51.21.63 | 2033390911 | 0 |
| 121.51.21.64 | 2033390912 | 0 |
| 121.51.21.65 | 2033390913 | 0 |
| 121.51.21.66 | 2033390914 | 0 |
| 121.51.21.67 | 2033390915 | 0 |
| 121.51.21.68 | 2033390916 | 0 |
| 121.51.21.69 | 2033390917 | 0 |
| 121.51.21.70 | 2033390918 | 0 |
| 121.51.21.71 | 2033390919 | 0 |
| 121.51.21.72 | 2033390920 | 0 |
| 121.51.21.73 | 2033390921 | 0 |
| 121.51.21.74 | 2033390922 | 0 |
| 121.51.21.75 | 2033390923 | 0 |
| 121.51.21.76 | 2033390924 | 0 |
| 121.51.21.77 | 2033390925 | 0 |
| 121.51.21.78 | 2033390926 | 0 |
| 121.51.21.79 | 2033390927 | 0 |
| 121.51.21.80 | 2033390928 | 0 |
| 121.51.21.81 | 2033390929 | 0 |
| 121.51.21.82 | 2033390930 | 0 |
| 121.51.21.83 | 2033390931 | 0 |
| 121.51.21.84 | 2033390932 | 0 |
| 121.51.21.85 | 2033390933 | 0 |