Les adresses IP débutant par 221.216.9 sont fournies par China Unicom Beijing Province Network, elles appartiennent au CIDR (Classless Inter-Domain Routing) 221.216.0.0/13, le bloc IP comprant les adresses de 221.216.0.0 à 221.223.255.255). Le numéro de système autonome (ASN) est 4808.
| ASN | 4808 |
| IP commençant par | 221.216.0.0 |
| IP se terminant par | 221.223.255.255 |
| Nom ASN | China Unicom Beijing Province Network |
| CDIR | 221.216.0.0/13 |
| IP numérique | |
| Registe | |
| Dernière mise à jour | 23/03/2020 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | CN | Chine | - | Suzhou | 31,3114 | 120,6181 | 2020-03-22 |
| MaxMind | CN | Chine | - | Beijing | 39,9289 | 116,3883 | 2020-03-22 |
| Whois | CN | - | - | - | 104 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 221.216.9.0 | 3721922816 | 0 |
| 221.216.9.1 | 3721922817 | 0 |
| 221.216.9.2 | 3721922818 | 0 |
| 221.216.9.3 | 3721922819 | 0 |
| 221.216.9.4 | 3721922820 | 0 |
| 221.216.9.5 | 3721922821 | 0 |
| 221.216.9.6 | 3721922822 | 0 |
| 221.216.9.7 | 3721922823 | 0 |
| 221.216.9.8 | 3721922824 | 0 |
| 221.216.9.9 | 3721922825 | 0 |
| 221.216.9.10 | 3721922826 | 0 |
| 221.216.9.11 | 3721922827 | 0 |
| 221.216.9.12 | 3721922828 | 0 |
| 221.216.9.13 | 3721922829 | 0 |
| 221.216.9.14 | 3721922830 | 0 |
| 221.216.9.15 | 3721922831 | 0 |
| 221.216.9.16 | 3721922832 | 0 |
| 221.216.9.17 | 3721922833 | 0 |
| 221.216.9.18 | 3721922834 | 0 |
| 221.216.9.19 | 3721922835 | 0 |
| 221.216.9.20 | 3721922836 | 0 |
| 221.216.9.21 | 3721922837 | 0 |
| 221.216.9.22 | 3721922838 | 0 |
| 221.216.9.23 | 3721922839 | 0 |
| 221.216.9.24 | 3721922840 | 0 |
| 221.216.9.25 | 3721922841 | 0 |
| 221.216.9.26 | 3721922842 | 0 |
| 221.216.9.27 | 3721922843 | 0 |
| 221.216.9.28 | 3721922844 | 0 |
| 221.216.9.29 | 3721922845 | 0 |
| 221.216.9.30 | 3721922846 | 0 |
| 221.216.9.31 | 3721922847 | 0 |
| 221.216.9.32 | 3721922848 | 0 |
| 221.216.9.33 | 3721922849 | 0 |
| 221.216.9.34 | 3721922850 | 0 |
| 221.216.9.35 | 3721922851 | 0 |
| 221.216.9.36 | 3721922852 | 0 |
| 221.216.9.37 | 3721922853 | 0 |
| 221.216.9.38 | 3721922854 | 0 |
| 221.216.9.39 | 3721922855 | 0 |
| 221.216.9.40 | 3721922856 | 0 |
| 221.216.9.41 | 3721922857 | 0 |
| 221.216.9.42 | 3721922858 | 0 |
| 221.216.9.43 | 3721922859 | 0 |
| 221.216.9.44 | 3721922860 | 0 |
| 221.216.9.45 | 3721922861 | 0 |
| 221.216.9.46 | 3721922862 | 0 |
| 221.216.9.47 | 3721922863 | 0 |
| 221.216.9.48 | 3721922864 | 0 |
| 221.216.9.49 | 3721922865 | 0 |
| 221.216.9.50 | 3721922866 | 0 |
| 221.216.9.51 | 3721922867 | 0 |
| 221.216.9.52 | 3721922868 | 0 |
| 221.216.9.53 | 3721922869 | 0 |
| 221.216.9.54 | 3721922870 | 0 |
| 221.216.9.55 | 3721922871 | 0 |
| 221.216.9.56 | 3721922872 | 0 |
| 221.216.9.57 | 3721922873 | 0 |
| 221.216.9.58 | 3721922874 | 0 |
| 221.216.9.59 | 3721922875 | 0 |
| 221.216.9.60 | 3721922876 | 0 |
| 221.216.9.61 | 3721922877 | 0 |
| 221.216.9.62 | 3721922878 | 0 |
| 221.216.9.63 | 3721922879 | 0 |
| 221.216.9.64 | 3721922880 | 0 |
| 221.216.9.65 | 3721922881 | 0 |
| 221.216.9.66 | 3721922882 | 0 |
| 221.216.9.67 | 3721922883 | 0 |
| 221.216.9.68 | 3721922884 | 0 |
| 221.216.9.69 | 3721922885 | 0 |
| 221.216.9.70 | 3721922886 | 0 |
| 221.216.9.71 | 3721922887 | 0 |
| 221.216.9.72 | 3721922888 | 0 |
| 221.216.9.73 | 3721922889 | 0 |
| 221.216.9.74 | 3721922890 | 0 |
| 221.216.9.75 | 3721922891 | 0 |
| 221.216.9.76 | 3721922892 | 0 |
| 221.216.9.77 | 3721922893 | 0 |
| 221.216.9.78 | 3721922894 | 0 |
| 221.216.9.79 | 3721922895 | 0 |
| 221.216.9.80 | 3721922896 | 0 |
| 221.216.9.81 | 3721922897 | 0 |
| 221.216.9.82 | 3721922898 | 0 |
| 221.216.9.83 | 3721922899 | 0 |
| 221.216.9.84 | 3721922900 | 0 |
| 221.216.9.85 | 3721922901 | 0 |