Die IP-Adresse 21.99.63 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 | 24.08.2018 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | US | USA | - | Houston | 29,7633 | -95,3633 | 2018-08-24 |
| MaxMind | US | USA | - | - | 37,751 | -97,822 | 2018-08-24 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.99.63.0 | 358825728 | 0 |
| 21.99.63.1 | 358825729 | 0 |
| 21.99.63.2 | 358825730 | 0 |
| 21.99.63.3 | 358825731 | 0 |
| 21.99.63.4 | 358825732 | 0 |
| 21.99.63.5 | 358825733 | 0 |
| 21.99.63.6 | 358825734 | 0 |
| 21.99.63.7 | 358825735 | 0 |
| 21.99.63.8 | 358825736 | 0 |
| 21.99.63.9 | 358825737 | 0 |
| 21.99.63.10 | 358825738 | 0 |
| 21.99.63.11 | 358825739 | 0 |
| 21.99.63.12 | 358825740 | 0 |
| 21.99.63.13 | 358825741 | 0 |
| 21.99.63.14 | 358825742 | 0 |
| 21.99.63.15 | 358825743 | 0 |
| 21.99.63.16 | 358825744 | 0 |
| 21.99.63.17 | 358825745 | 0 |
| 21.99.63.18 | 358825746 | 0 |
| 21.99.63.19 | 358825747 | 0 |
| 21.99.63.20 | 358825748 | 0 |
| 21.99.63.21 | 358825749 | 0 |
| 21.99.63.22 | 358825750 | 0 |
| 21.99.63.23 | 358825751 | 0 |
| 21.99.63.24 | 358825752 | 0 |
| 21.99.63.25 | 358825753 | 0 |
| 21.99.63.26 | 358825754 | 0 |
| 21.99.63.27 | 358825755 | 0 |
| 21.99.63.28 | 358825756 | 0 |
| 21.99.63.29 | 358825757 | 0 |
| 21.99.63.30 | 358825758 | 0 |
| 21.99.63.31 | 358825759 | 0 |
| 21.99.63.32 | 358825760 | 0 |
| 21.99.63.33 | 358825761 | 0 |
| 21.99.63.34 | 358825762 | 0 |
| 21.99.63.35 | 358825763 | 0 |
| 21.99.63.36 | 358825764 | 0 |
| 21.99.63.37 | 358825765 | 0 |
| 21.99.63.38 | 358825766 | 0 |
| 21.99.63.39 | 358825767 | 0 |
| 21.99.63.40 | 358825768 | 0 |
| 21.99.63.41 | 358825769 | 0 |
| 21.99.63.42 | 358825770 | 0 |
| 21.99.63.43 | 358825771 | 0 |
| 21.99.63.44 | 358825772 | 0 |
| 21.99.63.45 | 358825773 | 0 |
| 21.99.63.46 | 358825774 | 0 |
| 21.99.63.47 | 358825775 | 0 |
| 21.99.63.48 | 358825776 | 0 |
| 21.99.63.49 | 358825777 | 0 |
| 21.99.63.50 | 358825778 | 0 |
| 21.99.63.51 | 358825779 | 0 |
| 21.99.63.52 | 358825780 | 0 |
| 21.99.63.53 | 358825781 | 0 |
| 21.99.63.54 | 358825782 | 0 |
| 21.99.63.55 | 358825783 | 0 |
| 21.99.63.56 | 358825784 | 0 |
| 21.99.63.57 | 358825785 | 0 |
| 21.99.63.58 | 358825786 | 0 |
| 21.99.63.59 | 358825787 | 0 |
| 21.99.63.60 | 358825788 | 0 |
| 21.99.63.61 | 358825789 | 0 |
| 21.99.63.62 | 358825790 | 0 |
| 21.99.63.63 | 358825791 | 0 |
| 21.99.63.64 | 358825792 | 0 |
| 21.99.63.65 | 358825793 | 0 |
| 21.99.63.66 | 358825794 | 0 |
| 21.99.63.67 | 358825795 | 0 |
| 21.99.63.68 | 358825796 | 0 |
| 21.99.63.69 | 358825797 | 0 |
| 21.99.63.70 | 358825798 | 0 |
| 21.99.63.71 | 358825799 | 0 |
| 21.99.63.72 | 358825800 | 0 |
| 21.99.63.73 | 358825801 | 0 |
| 21.99.63.74 | 358825802 | 0 |
| 21.99.63.75 | 358825803 | 0 |
| 21.99.63.76 | 358825804 | 0 |
| 21.99.63.77 | 358825805 | 0 |
| 21.99.63.78 | 358825806 | 0 |
| 21.99.63.79 | 358825807 | 0 |
| 21.99.63.80 | 358825808 | 0 |
| 21.99.63.81 | 358825809 | 0 |
| 21.99.63.82 | 358825810 | 0 |
| 21.99.63.83 | 358825811 | 0 |
| 21.99.63.84 | 358825812 | 0 |
| 21.99.63.85 | 358825813 | 0 |