L'indirizzo IP 21.83.78 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 | 16/09/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Columbus | 39,9664 | -83,0128 | 2017-09-16 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2017-09-16 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.83.78.0 | 357780992 | 0 |
| 21.83.78.1 | 357780993 | 0 |
| 21.83.78.2 | 357780994 | 0 |
| 21.83.78.3 | 357780995 | 0 |
| 21.83.78.4 | 357780996 | 0 |
| 21.83.78.5 | 357780997 | 0 |
| 21.83.78.6 | 357780998 | 0 |
| 21.83.78.7 | 357780999 | 0 |
| 21.83.78.8 | 357781000 | 0 |
| 21.83.78.9 | 357781001 | 0 |
| 21.83.78.10 | 357781002 | 0 |
| 21.83.78.11 | 357781003 | 0 |
| 21.83.78.12 | 357781004 | 0 |
| 21.83.78.13 | 357781005 | 0 |
| 21.83.78.14 | 357781006 | 0 |
| 21.83.78.15 | 357781007 | 0 |
| 21.83.78.16 | 357781008 | 0 |
| 21.83.78.17 | 357781009 | 0 |
| 21.83.78.18 | 357781010 | 0 |
| 21.83.78.19 | 357781011 | 0 |
| 21.83.78.20 | 357781012 | 0 |
| 21.83.78.21 | 357781013 | 0 |
| 21.83.78.22 | 357781014 | 0 |
| 21.83.78.23 | 357781015 | 0 |
| 21.83.78.24 | 357781016 | 0 |
| 21.83.78.25 | 357781017 | 0 |
| 21.83.78.26 | 357781018 | 0 |
| 21.83.78.27 | 357781019 | 0 |
| 21.83.78.28 | 357781020 | 0 |
| 21.83.78.29 | 357781021 | 0 |
| 21.83.78.30 | 357781022 | 0 |
| 21.83.78.31 | 357781023 | 0 |
| 21.83.78.32 | 357781024 | 0 |
| 21.83.78.33 | 357781025 | 0 |
| 21.83.78.34 | 357781026 | 0 |
| 21.83.78.35 | 357781027 | 0 |
| 21.83.78.36 | 357781028 | 0 |
| 21.83.78.37 | 357781029 | 0 |
| 21.83.78.38 | 357781030 | 0 |
| 21.83.78.39 | 357781031 | 0 |
| 21.83.78.40 | 357781032 | 0 |
| 21.83.78.41 | 357781033 | 0 |
| 21.83.78.42 | 357781034 | 0 |
| 21.83.78.43 | 357781035 | 0 |
| 21.83.78.44 | 357781036 | 0 |
| 21.83.78.45 | 357781037 | 0 |
| 21.83.78.46 | 357781038 | 0 |
| 21.83.78.47 | 357781039 | 0 |
| 21.83.78.48 | 357781040 | 0 |
| 21.83.78.49 | 357781041 | 0 |
| 21.83.78.50 | 357781042 | 0 |
| 21.83.78.51 | 357781043 | 0 |
| 21.83.78.52 | 357781044 | 0 |
| 21.83.78.53 | 357781045 | 0 |
| 21.83.78.54 | 357781046 | 0 |
| 21.83.78.55 | 357781047 | 0 |
| 21.83.78.56 | 357781048 | 0 |
| 21.83.78.57 | 357781049 | 0 |
| 21.83.78.58 | 357781050 | 0 |
| 21.83.78.59 | 357781051 | 0 |
| 21.83.78.60 | 357781052 | 0 |
| 21.83.78.61 | 357781053 | 0 |
| 21.83.78.62 | 357781054 | 0 |
| 21.83.78.63 | 357781055 | 0 |
| 21.83.78.64 | 357781056 | 0 |
| 21.83.78.65 | 357781057 | 0 |
| 21.83.78.66 | 357781058 | 0 |
| 21.83.78.67 | 357781059 | 0 |
| 21.83.78.68 | 357781060 | 0 |
| 21.83.78.69 | 357781061 | 0 |
| 21.83.78.70 | 357781062 | 0 |
| 21.83.78.71 | 357781063 | 0 |
| 21.83.78.72 | 357781064 | 0 |
| 21.83.78.73 | 357781065 | 0 |
| 21.83.78.74 | 357781066 | 0 |
| 21.83.78.75 | 357781067 | 0 |
| 21.83.78.76 | 357781068 | 0 |
| 21.83.78.77 | 357781069 | 0 |
| 21.83.78.78 | 357781070 | 0 |
| 21.83.78.79 | 357781071 | 0 |
| 21.83.78.80 | 357781072 | 0 |
| 21.83.78.81 | 357781073 | 0 |
| 21.83.78.82 | 357781074 | 0 |
| 21.83.78.83 | 357781075 | 0 |
| 21.83.78.84 | 357781076 | 0 |
| 21.83.78.85 | 357781077 | 0 |