Die IP-Adresse 21.78.84 erfolgt über China Education and Research Network Center, es hat gehören zu den GGDV (Classless Inter-Domain Routing) 22.30.204.0/23 (Bereich 22.30.204.0, 22.30.205.255). Die autonomen Systemnummer (ASN) ist 4538.
| ASN | 4538 |
| Ausgehend von IP | 22.30.204.0 |
| Beendigung durch IP | 22.30.205.255 |
| ASN-Namen | China Education and Research Network Center |
| GGDV | 22.30.204.0/23 |
| Numerische IP | |
| Registrierung | |
| Letztes update | 10.09.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | US | USA | - | Columbus | 39,9664 | -83,0128 | 2017-09-10 |
| MaxMind | US | USA | - | - | 37,751 | -97,822 | 2017-09-10 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.78.84.0 | 357454848 | 0 |
| 21.78.84.1 | 357454849 | 0 |
| 21.78.84.2 | 357454850 | 0 |
| 21.78.84.3 | 357454851 | 0 |
| 21.78.84.4 | 357454852 | 0 |
| 21.78.84.5 | 357454853 | 0 |
| 21.78.84.6 | 357454854 | 0 |
| 21.78.84.7 | 357454855 | 0 |
| 21.78.84.8 | 357454856 | 0 |
| 21.78.84.9 | 357454857 | 0 |
| 21.78.84.10 | 357454858 | 0 |
| 21.78.84.11 | 357454859 | 0 |
| 21.78.84.12 | 357454860 | 0 |
| 21.78.84.13 | 357454861 | 0 |
| 21.78.84.14 | 357454862 | 0 |
| 21.78.84.15 | 357454863 | 0 |
| 21.78.84.16 | 357454864 | 0 |
| 21.78.84.17 | 357454865 | 0 |
| 21.78.84.18 | 357454866 | 0 |
| 21.78.84.19 | 357454867 | 0 |
| 21.78.84.20 | 357454868 | 0 |
| 21.78.84.21 | 357454869 | 0 |
| 21.78.84.22 | 357454870 | 0 |
| 21.78.84.23 | 357454871 | 0 |
| 21.78.84.24 | 357454872 | 0 |
| 21.78.84.25 | 357454873 | 0 |
| 21.78.84.26 | 357454874 | 0 |
| 21.78.84.27 | 357454875 | 0 |
| 21.78.84.28 | 357454876 | 0 |
| 21.78.84.29 | 357454877 | 0 |
| 21.78.84.30 | 357454878 | 0 |
| 21.78.84.31 | 357454879 | 0 |
| 21.78.84.32 | 357454880 | 0 |
| 21.78.84.33 | 357454881 | 0 |
| 21.78.84.34 | 357454882 | 0 |
| 21.78.84.35 | 357454883 | 0 |
| 21.78.84.36 | 357454884 | 0 |
| 21.78.84.37 | 357454885 | 0 |
| 21.78.84.38 | 357454886 | 0 |
| 21.78.84.39 | 357454887 | 0 |
| 21.78.84.40 | 357454888 | 0 |
| 21.78.84.41 | 357454889 | 0 |
| 21.78.84.42 | 357454890 | 0 |
| 21.78.84.43 | 357454891 | 0 |
| 21.78.84.44 | 357454892 | 0 |
| 21.78.84.45 | 357454893 | 0 |
| 21.78.84.46 | 357454894 | 0 |
| 21.78.84.47 | 357454895 | 0 |
| 21.78.84.48 | 357454896 | 0 |
| 21.78.84.49 | 357454897 | 0 |
| 21.78.84.50 | 357454898 | 0 |
| 21.78.84.51 | 357454899 | 0 |
| 21.78.84.52 | 357454900 | 0 |
| 21.78.84.53 | 357454901 | 0 |
| 21.78.84.54 | 357454902 | 0 |
| 21.78.84.55 | 357454903 | 0 |
| 21.78.84.56 | 357454904 | 0 |
| 21.78.84.57 | 357454905 | 0 |
| 21.78.84.58 | 357454906 | 0 |
| 21.78.84.59 | 357454907 | 0 |
| 21.78.84.60 | 357454908 | 0 |
| 21.78.84.61 | 357454909 | 0 |
| 21.78.84.62 | 357454910 | 0 |
| 21.78.84.63 | 357454911 | 0 |
| 21.78.84.64 | 357454912 | 0 |
| 21.78.84.65 | 357454913 | 0 |
| 21.78.84.66 | 357454914 | 0 |
| 21.78.84.67 | 357454915 | 0 |
| 21.78.84.68 | 357454916 | 0 |
| 21.78.84.69 | 357454917 | 0 |
| 21.78.84.70 | 357454918 | 0 |
| 21.78.84.71 | 357454919 | 0 |
| 21.78.84.72 | 357454920 | 0 |
| 21.78.84.73 | 357454921 | 0 |
| 21.78.84.74 | 357454922 | 0 |
| 21.78.84.75 | 357454923 | 0 |
| 21.78.84.76 | 357454924 | 0 |
| 21.78.84.77 | 357454925 | 0 |
| 21.78.84.78 | 357454926 | 0 |
| 21.78.84.79 | 357454927 | 0 |
| 21.78.84.80 | 357454928 | 0 |
| 21.78.84.81 | 357454929 | 0 |
| 21.78.84.82 | 357454930 | 0 |
| 21.78.84.83 | 357454931 | 0 |
| 21.78.84.84 | 357454932 | 0 |
| 21.78.84.85 | 357454933 | 0 |