Die IP-Adresse 21.78.91 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 | 28.06.2018 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | US | USA | - | Clovis | 34,4048 | -103,2052 | 2018-06-28 |
| MaxMind | US | USA | - | - | 37,751 | -97,822 | 2018-06-28 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.78.91.0 | 357456640 | 0 |
| 21.78.91.1 | 357456641 | 0 |
| 21.78.91.2 | 357456642 | 0 |
| 21.78.91.3 | 357456643 | 0 |
| 21.78.91.4 | 357456644 | 0 |
| 21.78.91.5 | 357456645 | 0 |
| 21.78.91.6 | 357456646 | 0 |
| 21.78.91.7 | 357456647 | 0 |
| 21.78.91.8 | 357456648 | 0 |
| 21.78.91.9 | 357456649 | 0 |
| 21.78.91.10 | 357456650 | 0 |
| 21.78.91.11 | 357456651 | 0 |
| 21.78.91.12 | 357456652 | 0 |
| 21.78.91.13 | 357456653 | 0 |
| 21.78.91.14 | 357456654 | 0 |
| 21.78.91.15 | 357456655 | 0 |
| 21.78.91.16 | 357456656 | 0 |
| 21.78.91.17 | 357456657 | 0 |
| 21.78.91.18 | 357456658 | 0 |
| 21.78.91.19 | 357456659 | 0 |
| 21.78.91.20 | 357456660 | 0 |
| 21.78.91.21 | 357456661 | 0 |
| 21.78.91.22 | 357456662 | 0 |
| 21.78.91.23 | 357456663 | 0 |
| 21.78.91.24 | 357456664 | 0 |
| 21.78.91.25 | 357456665 | 0 |
| 21.78.91.26 | 357456666 | 0 |
| 21.78.91.27 | 357456667 | 0 |
| 21.78.91.28 | 357456668 | 0 |
| 21.78.91.29 | 357456669 | 0 |
| 21.78.91.30 | 357456670 | 0 |
| 21.78.91.31 | 357456671 | 0 |
| 21.78.91.32 | 357456672 | 0 |
| 21.78.91.33 | 357456673 | 0 |
| 21.78.91.34 | 357456674 | 0 |
| 21.78.91.35 | 357456675 | 0 |
| 21.78.91.36 | 357456676 | 0 |
| 21.78.91.37 | 357456677 | 0 |
| 21.78.91.38 | 357456678 | 0 |
| 21.78.91.39 | 357456679 | 0 |
| 21.78.91.40 | 357456680 | 0 |
| 21.78.91.41 | 357456681 | 0 |
| 21.78.91.42 | 357456682 | 0 |
| 21.78.91.43 | 357456683 | 0 |
| 21.78.91.44 | 357456684 | 0 |
| 21.78.91.45 | 357456685 | 0 |
| 21.78.91.46 | 357456686 | 0 |
| 21.78.91.47 | 357456687 | 0 |
| 21.78.91.48 | 357456688 | 0 |
| 21.78.91.49 | 357456689 | 0 |
| 21.78.91.50 | 357456690 | 0 |
| 21.78.91.51 | 357456691 | 0 |
| 21.78.91.52 | 357456692 | 0 |
| 21.78.91.53 | 357456693 | 0 |
| 21.78.91.54 | 357456694 | 0 |
| 21.78.91.55 | 357456695 | 0 |
| 21.78.91.56 | 357456696 | 0 |
| 21.78.91.57 | 357456697 | 0 |
| 21.78.91.58 | 357456698 | 0 |
| 21.78.91.59 | 357456699 | 0 |
| 21.78.91.60 | 357456700 | 0 |
| 21.78.91.61 | 357456701 | 0 |
| 21.78.91.62 | 357456702 | 0 |
| 21.78.91.63 | 357456703 | 0 |
| 21.78.91.64 | 357456704 | 0 |
| 21.78.91.65 | 357456705 | 0 |
| 21.78.91.66 | 357456706 | 0 |
| 21.78.91.67 | 357456707 | 0 |
| 21.78.91.68 | 357456708 | 0 |
| 21.78.91.69 | 357456709 | 0 |
| 21.78.91.70 | 357456710 | 0 |
| 21.78.91.71 | 357456711 | 0 |
| 21.78.91.72 | 357456712 | 0 |
| 21.78.91.73 | 357456713 | 0 |
| 21.78.91.74 | 357456714 | 0 |
| 21.78.91.75 | 357456715 | 0 |
| 21.78.91.76 | 357456716 | 0 |
| 21.78.91.77 | 357456717 | 0 |
| 21.78.91.78 | 357456718 | 0 |
| 21.78.91.79 | 357456719 | 0 |
| 21.78.91.80 | 357456720 | 0 |
| 21.78.91.81 | 357456721 | 0 |
| 21.78.91.82 | 357456722 | 0 |
| 21.78.91.83 | 357456723 | 0 |
| 21.78.91.84 | 357456724 | 0 |
| 21.78.91.85 | 357456725 | 0 |