The IP address 21.211.4 is provided by China Education and Research Network Center, it's belong to the CDIR (Classless Inter-Domain Routing) 22.30.204.0/23 (range 22.30.204.0 to 22.30.205.255). The autonomous system number (ASN) is 4538.
| ASN | 4538 |
| IP starting by | 22.30.204.0 |
| IP ending by | 22.30.205.255 |
| ASN Name | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| Numerical IP | |
| Registry | |
| Last update | 21/08/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | ES | Spain | - | Madrid | 40.4165 | -3.7026 | 2018-08-20 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2018-08-20 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.211.4.0 | 366150656 | 0 |
| 21.211.4.1 | 366150657 | 0 |
| 21.211.4.2 | 366150658 | 0 |
| 21.211.4.3 | 366150659 | 0 |
| 21.211.4.4 | 366150660 | 0 |
| 21.211.4.5 | 366150661 | 0 |
| 21.211.4.6 | 366150662 | 0 |
| 21.211.4.7 | 366150663 | 0 |
| 21.211.4.8 | 366150664 | 0 |
| 21.211.4.9 | 366150665 | 0 |
| 21.211.4.10 | 366150666 | 0 |
| 21.211.4.11 | 366150667 | 0 |
| 21.211.4.12 | 366150668 | 0 |
| 21.211.4.13 | 366150669 | 0 |
| 21.211.4.14 | 366150670 | 0 |
| 21.211.4.15 | 366150671 | 0 |
| 21.211.4.16 | 366150672 | 0 |
| 21.211.4.17 | 366150673 | 0 |
| 21.211.4.18 | 366150674 | 0 |
| 21.211.4.19 | 366150675 | 0 |
| 21.211.4.20 | 366150676 | 0 |
| 21.211.4.21 | 366150677 | 0 |
| 21.211.4.22 | 366150678 | 0 |
| 21.211.4.23 | 366150679 | 0 |
| 21.211.4.24 | 366150680 | 0 |
| 21.211.4.25 | 366150681 | 0 |
| 21.211.4.26 | 366150682 | 0 |
| 21.211.4.27 | 366150683 | 0 |
| 21.211.4.28 | 366150684 | 0 |
| 21.211.4.29 | 366150685 | 0 |
| 21.211.4.30 | 366150686 | 0 |
| 21.211.4.31 | 366150687 | 0 |
| 21.211.4.32 | 366150688 | 0 |
| 21.211.4.33 | 366150689 | 0 |
| 21.211.4.34 | 366150690 | 0 |
| 21.211.4.35 | 366150691 | 0 |
| 21.211.4.36 | 366150692 | 0 |
| 21.211.4.37 | 366150693 | 0 |
| 21.211.4.38 | 366150694 | 0 |
| 21.211.4.39 | 366150695 | 0 |
| 21.211.4.40 | 366150696 | 0 |
| 21.211.4.41 | 366150697 | 0 |
| 21.211.4.42 | 366150698 | 0 |
| 21.211.4.43 | 366150699 | 0 |
| 21.211.4.44 | 366150700 | 0 |
| 21.211.4.45 | 366150701 | 0 |
| 21.211.4.46 | 366150702 | 0 |
| 21.211.4.47 | 366150703 | 0 |
| 21.211.4.48 | 366150704 | 0 |
| 21.211.4.49 | 366150705 | 0 |
| 21.211.4.50 | 366150706 | 0 |
| 21.211.4.51 | 366150707 | 0 |
| 21.211.4.52 | 366150708 | 0 |
| 21.211.4.53 | 366150709 | 0 |
| 21.211.4.54 | 366150710 | 0 |
| 21.211.4.55 | 366150711 | 0 |
| 21.211.4.56 | 366150712 | 0 |
| 21.211.4.57 | 366150713 | 0 |
| 21.211.4.58 | 366150714 | 0 |
| 21.211.4.59 | 366150715 | 0 |
| 21.211.4.60 | 366150716 | 0 |
| 21.211.4.61 | 366150717 | 0 |
| 21.211.4.62 | 366150718 | 0 |
| 21.211.4.63 | 366150719 | 0 |
| 21.211.4.64 | 366150720 | 0 |
| 21.211.4.65 | 366150721 | 0 |
| 21.211.4.66 | 366150722 | 0 |
| 21.211.4.67 | 366150723 | 0 |
| 21.211.4.68 | 366150724 | 0 |
| 21.211.4.69 | 366150725 | 0 |
| 21.211.4.70 | 366150726 | 0 |
| 21.211.4.71 | 366150727 | 0 |
| 21.211.4.72 | 366150728 | 0 |
| 21.211.4.73 | 366150729 | 0 |
| 21.211.4.74 | 366150730 | 0 |
| 21.211.4.75 | 366150731 | 0 |
| 21.211.4.76 | 366150732 | 0 |
| 21.211.4.77 | 366150733 | 0 |
| 21.211.4.78 | 366150734 | 0 |
| 21.211.4.79 | 366150735 | 0 |
| 21.211.4.80 | 366150736 | 0 |
| 21.211.4.81 | 366150737 | 0 |
| 21.211.4.82 | 366150738 | 0 |
| 21.211.4.83 | 366150739 | 0 |
| 21.211.4.84 | 366150740 | 0 |
| 21.211.4.85 | 366150741 | 0 |