Die IP-Adresse 21.83.77 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 | 22.10.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | US | USA | - | Columbus | 39,9664 | -83,0128 | 2017-10-22 |
| MaxMind | US | USA | - | - | 37,751 | -97,822 | 2017-10-22 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.83.77.0 | 357780736 | 0 |
| 21.83.77.1 | 357780737 | 0 |
| 21.83.77.2 | 357780738 | 0 |
| 21.83.77.3 | 357780739 | 0 |
| 21.83.77.4 | 357780740 | 0 |
| 21.83.77.5 | 357780741 | 0 |
| 21.83.77.6 | 357780742 | 0 |
| 21.83.77.7 | 357780743 | 0 |
| 21.83.77.8 | 357780744 | 0 |
| 21.83.77.9 | 357780745 | 0 |
| 21.83.77.10 | 357780746 | 0 |
| 21.83.77.11 | 357780747 | 0 |
| 21.83.77.12 | 357780748 | 0 |
| 21.83.77.13 | 357780749 | 0 |
| 21.83.77.14 | 357780750 | 0 |
| 21.83.77.15 | 357780751 | 0 |
| 21.83.77.16 | 357780752 | 0 |
| 21.83.77.17 | 357780753 | 0 |
| 21.83.77.18 | 357780754 | 0 |
| 21.83.77.19 | 357780755 | 0 |
| 21.83.77.20 | 357780756 | 0 |
| 21.83.77.21 | 357780757 | 0 |
| 21.83.77.22 | 357780758 | 0 |
| 21.83.77.23 | 357780759 | 0 |
| 21.83.77.24 | 357780760 | 0 |
| 21.83.77.25 | 357780761 | 0 |
| 21.83.77.26 | 357780762 | 0 |
| 21.83.77.27 | 357780763 | 0 |
| 21.83.77.28 | 357780764 | 0 |
| 21.83.77.29 | 357780765 | 0 |
| 21.83.77.30 | 357780766 | 0 |
| 21.83.77.31 | 357780767 | 0 |
| 21.83.77.32 | 357780768 | 0 |
| 21.83.77.33 | 357780769 | 0 |
| 21.83.77.34 | 357780770 | 0 |
| 21.83.77.35 | 357780771 | 0 |
| 21.83.77.36 | 357780772 | 0 |
| 21.83.77.37 | 357780773 | 0 |
| 21.83.77.38 | 357780774 | 0 |
| 21.83.77.39 | 357780775 | 0 |
| 21.83.77.40 | 357780776 | 0 |
| 21.83.77.41 | 357780777 | 0 |
| 21.83.77.42 | 357780778 | 0 |
| 21.83.77.43 | 357780779 | 0 |
| 21.83.77.44 | 357780780 | 0 |
| 21.83.77.45 | 357780781 | 0 |
| 21.83.77.46 | 357780782 | 0 |
| 21.83.77.47 | 357780783 | 0 |
| 21.83.77.48 | 357780784 | 0 |
| 21.83.77.49 | 357780785 | 0 |
| 21.83.77.50 | 357780786 | 0 |
| 21.83.77.51 | 357780787 | 0 |
| 21.83.77.52 | 357780788 | 0 |
| 21.83.77.53 | 357780789 | 0 |
| 21.83.77.54 | 357780790 | 0 |
| 21.83.77.55 | 357780791 | 0 |
| 21.83.77.56 | 357780792 | 0 |
| 21.83.77.57 | 357780793 | 0 |
| 21.83.77.58 | 357780794 | 0 |
| 21.83.77.59 | 357780795 | 0 |
| 21.83.77.60 | 357780796 | 0 |
| 21.83.77.61 | 357780797 | 0 |
| 21.83.77.62 | 357780798 | 0 |
| 21.83.77.63 | 357780799 | 0 |
| 21.83.77.64 | 357780800 | 0 |
| 21.83.77.65 | 357780801 | 0 |
| 21.83.77.66 | 357780802 | 0 |
| 21.83.77.67 | 357780803 | 0 |
| 21.83.77.68 | 357780804 | 0 |
| 21.83.77.69 | 357780805 | 0 |
| 21.83.77.70 | 357780806 | 0 |
| 21.83.77.71 | 357780807 | 0 |
| 21.83.77.72 | 357780808 | 0 |
| 21.83.77.73 | 357780809 | 0 |
| 21.83.77.74 | 357780810 | 0 |
| 21.83.77.75 | 357780811 | 0 |
| 21.83.77.76 | 357780812 | 0 |
| 21.83.77.77 | 357780813 | 0 |
| 21.83.77.78 | 357780814 | 0 |
| 21.83.77.79 | 357780815 | 0 |
| 21.83.77.80 | 357780816 | 0 |
| 21.83.77.81 | 357780817 | 0 |
| 21.83.77.82 | 357780818 | 0 |
| 21.83.77.83 | 357780819 | 0 |
| 21.83.77.84 | 357780820 | 0 |
| 21.83.77.85 | 357780821 | 0 |