Les adresses IP débutant par 21.238.6 sont fournies par China Education and Research Network Center, elles appartiennent au CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, le bloc IP comprant les adresses de 22.30.204.0 à 22.30.205.255). Le numéro de système autonome (ASN) est 4538.
| ASN | 4538 |
| IP commençant par | 22.30.204.0 |
| IP se terminant par | 22.30.205.255 |
| Nom ASN | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numérique | |
| Registe | |
| Dernière mise à jour | 31/03/2020 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | ES | Espagne | - | Madrid | 40,4165 | -3,7026 | 2020-03-31 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2020-03-31 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.238.6.0 | 367920640 | 0 |
| 21.238.6.1 | 367920641 | 0 |
| 21.238.6.2 | 367920642 | 0 |
| 21.238.6.3 | 367920643 | 0 |
| 21.238.6.4 | 367920644 | 0 |
| 21.238.6.5 | 367920645 | 0 |
| 21.238.6.6 | 367920646 | 0 |
| 21.238.6.7 | 367920647 | 0 |
| 21.238.6.8 | 367920648 | 0 |
| 21.238.6.9 | 367920649 | 0 |
| 21.238.6.10 | 367920650 | 0 |
| 21.238.6.11 | 367920651 | 0 |
| 21.238.6.12 | 367920652 | 0 |
| 21.238.6.13 | 367920653 | 0 |
| 21.238.6.14 | 367920654 | 0 |
| 21.238.6.15 | 367920655 | 0 |
| 21.238.6.16 | 367920656 | 0 |
| 21.238.6.17 | 367920657 | 0 |
| 21.238.6.18 | 367920658 | 0 |
| 21.238.6.19 | 367920659 | 0 |
| 21.238.6.20 | 367920660 | 0 |
| 21.238.6.21 | 367920661 | 0 |
| 21.238.6.22 | 367920662 | 0 |
| 21.238.6.23 | 367920663 | 0 |
| 21.238.6.24 | 367920664 | 0 |
| 21.238.6.25 | 367920665 | 0 |
| 21.238.6.26 | 367920666 | 0 |
| 21.238.6.27 | 367920667 | 0 |
| 21.238.6.28 | 367920668 | 0 |
| 21.238.6.29 | 367920669 | 0 |
| 21.238.6.30 | 367920670 | 0 |
| 21.238.6.31 | 367920671 | 0 |
| 21.238.6.32 | 367920672 | 0 |
| 21.238.6.33 | 367920673 | 0 |
| 21.238.6.34 | 367920674 | 0 |
| 21.238.6.35 | 367920675 | 0 |
| 21.238.6.36 | 367920676 | 0 |
| 21.238.6.37 | 367920677 | 0 |
| 21.238.6.38 | 367920678 | 0 |
| 21.238.6.39 | 367920679 | 0 |
| 21.238.6.40 | 367920680 | 0 |
| 21.238.6.41 | 367920681 | 0 |
| 21.238.6.42 | 367920682 | 0 |
| 21.238.6.43 | 367920683 | 0 |
| 21.238.6.44 | 367920684 | 0 |
| 21.238.6.45 | 367920685 | 0 |
| 21.238.6.46 | 367920686 | 0 |
| 21.238.6.47 | 367920687 | 0 |
| 21.238.6.48 | 367920688 | 0 |
| 21.238.6.49 | 367920689 | 0 |
| 21.238.6.50 | 367920690 | 0 |
| 21.238.6.51 | 367920691 | 0 |
| 21.238.6.52 | 367920692 | 0 |
| 21.238.6.53 | 367920693 | 0 |
| 21.238.6.54 | 367920694 | 0 |
| 21.238.6.55 | 367920695 | 0 |
| 21.238.6.56 | 367920696 | 0 |
| 21.238.6.57 | 367920697 | 0 |
| 21.238.6.58 | 367920698 | 0 |
| 21.238.6.59 | 367920699 | 0 |
| 21.238.6.60 | 367920700 | 0 |
| 21.238.6.61 | 367920701 | 0 |
| 21.238.6.62 | 367920702 | 0 |
| 21.238.6.63 | 367920703 | 0 |
| 21.238.6.64 | 367920704 | 0 |
| 21.238.6.65 | 367920705 | 0 |
| 21.238.6.66 | 367920706 | 0 |
| 21.238.6.67 | 367920707 | 0 |
| 21.238.6.68 | 367920708 | 0 |
| 21.238.6.69 | 367920709 | 0 |
| 21.238.6.70 | 367920710 | 0 |
| 21.238.6.71 | 367920711 | 0 |
| 21.238.6.72 | 367920712 | 0 |
| 21.238.6.73 | 367920713 | 0 |
| 21.238.6.74 | 367920714 | 0 |
| 21.238.6.75 | 367920715 | 0 |
| 21.238.6.76 | 367920716 | 0 |
| 21.238.6.77 | 367920717 | 0 |
| 21.238.6.78 | 367920718 | 0 |
| 21.238.6.79 | 367920719 | 0 |
| 21.238.6.80 | 367920720 | 0 |
| 21.238.6.81 | 367920721 | 0 |
| 21.238.6.82 | 367920722 | 0 |
| 21.238.6.83 | 367920723 | 0 |
| 21.238.6.84 | 367920724 | 0 |
| 21.238.6.85 | 367920725 | 0 |