L'indirizzo IP 21.80.76 è fornito da China Education and Research Network Center, che è di proprietà del CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, IP tra 22.30.204.0 a 22.30.205.255 ). Il numero di sistema autonomo (ASN) è 4538.
| ASN | 4538 |
| IP inizia con | 22.30.204.0 |
| IP finale con | 22.30.205.255 |
| ASN Nome | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numerico | |
| Registe | |
| Ultimo aggiornamento | 24/08/2018 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Houston | 29,7633 | -95,3633 | 2018-08-24 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2018-08-24 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.80.76.0 | 357583872 | 0 |
| 21.80.76.1 | 357583873 | 0 |
| 21.80.76.2 | 357583874 | 0 |
| 21.80.76.3 | 357583875 | 0 |
| 21.80.76.4 | 357583876 | 0 |
| 21.80.76.5 | 357583877 | 0 |
| 21.80.76.6 | 357583878 | 0 |
| 21.80.76.7 | 357583879 | 0 |
| 21.80.76.8 | 357583880 | 0 |
| 21.80.76.9 | 357583881 | 0 |
| 21.80.76.10 | 357583882 | 0 |
| 21.80.76.11 | 357583883 | 0 |
| 21.80.76.12 | 357583884 | 0 |
| 21.80.76.13 | 357583885 | 0 |
| 21.80.76.14 | 357583886 | 0 |
| 21.80.76.15 | 357583887 | 0 |
| 21.80.76.16 | 357583888 | 0 |
| 21.80.76.17 | 357583889 | 0 |
| 21.80.76.18 | 357583890 | 0 |
| 21.80.76.19 | 357583891 | 0 |
| 21.80.76.20 | 357583892 | 0 |
| 21.80.76.21 | 357583893 | 0 |
| 21.80.76.22 | 357583894 | 0 |
| 21.80.76.23 | 357583895 | 0 |
| 21.80.76.24 | 357583896 | 0 |
| 21.80.76.25 | 357583897 | 0 |
| 21.80.76.26 | 357583898 | 0 |
| 21.80.76.27 | 357583899 | 0 |
| 21.80.76.28 | 357583900 | 0 |
| 21.80.76.29 | 357583901 | 0 |
| 21.80.76.30 | 357583902 | 0 |
| 21.80.76.31 | 357583903 | 0 |
| 21.80.76.32 | 357583904 | 0 |
| 21.80.76.33 | 357583905 | 0 |
| 21.80.76.34 | 357583906 | 0 |
| 21.80.76.35 | 357583907 | 0 |
| 21.80.76.36 | 357583908 | 0 |
| 21.80.76.37 | 357583909 | 0 |
| 21.80.76.38 | 357583910 | 0 |
| 21.80.76.39 | 357583911 | 0 |
| 21.80.76.40 | 357583912 | 0 |
| 21.80.76.41 | 357583913 | 0 |
| 21.80.76.42 | 357583914 | 0 |
| 21.80.76.43 | 357583915 | 0 |
| 21.80.76.44 | 357583916 | 0 |
| 21.80.76.45 | 357583917 | 0 |
| 21.80.76.46 | 357583918 | 0 |
| 21.80.76.47 | 357583919 | 0 |
| 21.80.76.48 | 357583920 | 0 |
| 21.80.76.49 | 357583921 | 0 |
| 21.80.76.50 | 357583922 | 0 |
| 21.80.76.51 | 357583923 | 0 |
| 21.80.76.52 | 357583924 | 0 |
| 21.80.76.53 | 357583925 | 0 |
| 21.80.76.54 | 357583926 | 0 |
| 21.80.76.55 | 357583927 | 0 |
| 21.80.76.56 | 357583928 | 0 |
| 21.80.76.57 | 357583929 | 0 |
| 21.80.76.58 | 357583930 | 0 |
| 21.80.76.59 | 357583931 | 0 |
| 21.80.76.60 | 357583932 | 0 |
| 21.80.76.61 | 357583933 | 0 |
| 21.80.76.62 | 357583934 | 0 |
| 21.80.76.63 | 357583935 | 0 |
| 21.80.76.64 | 357583936 | 0 |
| 21.80.76.65 | 357583937 | 0 |
| 21.80.76.66 | 357583938 | 0 |
| 21.80.76.67 | 357583939 | 0 |
| 21.80.76.68 | 357583940 | 0 |
| 21.80.76.69 | 357583941 | 0 |
| 21.80.76.70 | 357583942 | 0 |
| 21.80.76.71 | 357583943 | 0 |
| 21.80.76.72 | 357583944 | 0 |
| 21.80.76.73 | 357583945 | 0 |
| 21.80.76.74 | 357583946 | 0 |
| 21.80.76.75 | 357583947 | 0 |
| 21.80.76.76 | 357583948 | 0 |
| 21.80.76.77 | 357583949 | 0 |
| 21.80.76.78 | 357583950 | 0 |
| 21.80.76.79 | 357583951 | 0 |
| 21.80.76.80 | 357583952 | 0 |
| 21.80.76.81 | 357583953 | 0 |
| 21.80.76.82 | 357583954 | 0 |
| 21.80.76.83 | 357583955 | 0 |
| 21.80.76.84 | 357583956 | 0 |
| 21.80.76.85 | 357583957 | 0 |