Les adresses IP débutant par 21.201.9 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 | 09/04/2020 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | ES | Espagne | - | Madrid | 40,4165 | -3,7026 | 2020-04-09 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2020-04-09 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.201.9.0 | 365496576 | 0 |
| 21.201.9.1 | 365496577 | 0 |
| 21.201.9.2 | 365496578 | 0 |
| 21.201.9.3 | 365496579 | 0 |
| 21.201.9.4 | 365496580 | 0 |
| 21.201.9.5 | 365496581 | 0 |
| 21.201.9.6 | 365496582 | 0 |
| 21.201.9.7 | 365496583 | 0 |
| 21.201.9.8 | 365496584 | 0 |
| 21.201.9.9 | 365496585 | 0 |
| 21.201.9.10 | 365496586 | 0 |
| 21.201.9.11 | 365496587 | 0 |
| 21.201.9.12 | 365496588 | 0 |
| 21.201.9.13 | 365496589 | 0 |
| 21.201.9.14 | 365496590 | 0 |
| 21.201.9.15 | 365496591 | 0 |
| 21.201.9.16 | 365496592 | 0 |
| 21.201.9.17 | 365496593 | 0 |
| 21.201.9.18 | 365496594 | 0 |
| 21.201.9.19 | 365496595 | 0 |
| 21.201.9.20 | 365496596 | 0 |
| 21.201.9.21 | 365496597 | 0 |
| 21.201.9.22 | 365496598 | 0 |
| 21.201.9.23 | 365496599 | 0 |
| 21.201.9.24 | 365496600 | 0 |
| 21.201.9.25 | 365496601 | 0 |
| 21.201.9.26 | 365496602 | 0 |
| 21.201.9.27 | 365496603 | 0 |
| 21.201.9.28 | 365496604 | 0 |
| 21.201.9.29 | 365496605 | 0 |
| 21.201.9.30 | 365496606 | 0 |
| 21.201.9.31 | 365496607 | 0 |
| 21.201.9.32 | 365496608 | 0 |
| 21.201.9.33 | 365496609 | 0 |
| 21.201.9.34 | 365496610 | 0 |
| 21.201.9.35 | 365496611 | 0 |
| 21.201.9.36 | 365496612 | 0 |
| 21.201.9.37 | 365496613 | 0 |
| 21.201.9.38 | 365496614 | 0 |
| 21.201.9.39 | 365496615 | 0 |
| 21.201.9.40 | 365496616 | 0 |
| 21.201.9.41 | 365496617 | 0 |
| 21.201.9.42 | 365496618 | 0 |
| 21.201.9.43 | 365496619 | 0 |
| 21.201.9.44 | 365496620 | 0 |
| 21.201.9.45 | 365496621 | 0 |
| 21.201.9.46 | 365496622 | 0 |
| 21.201.9.47 | 365496623 | 0 |
| 21.201.9.48 | 365496624 | 0 |
| 21.201.9.49 | 365496625 | 0 |
| 21.201.9.50 | 365496626 | 0 |
| 21.201.9.51 | 365496627 | 0 |
| 21.201.9.52 | 365496628 | 0 |
| 21.201.9.53 | 365496629 | 0 |
| 21.201.9.54 | 365496630 | 0 |
| 21.201.9.55 | 365496631 | 0 |
| 21.201.9.56 | 365496632 | 0 |
| 21.201.9.57 | 365496633 | 0 |
| 21.201.9.58 | 365496634 | 0 |
| 21.201.9.59 | 365496635 | 0 |
| 21.201.9.60 | 365496636 | 0 |
| 21.201.9.61 | 365496637 | 0 |
| 21.201.9.62 | 365496638 | 0 |
| 21.201.9.63 | 365496639 | 0 |
| 21.201.9.64 | 365496640 | 0 |
| 21.201.9.65 | 365496641 | 0 |
| 21.201.9.66 | 365496642 | 0 |
| 21.201.9.67 | 365496643 | 0 |
| 21.201.9.68 | 365496644 | 0 |
| 21.201.9.69 | 365496645 | 0 |
| 21.201.9.70 | 365496646 | 0 |
| 21.201.9.71 | 365496647 | 0 |
| 21.201.9.72 | 365496648 | 0 |
| 21.201.9.73 | 365496649 | 0 |
| 21.201.9.74 | 365496650 | 0 |
| 21.201.9.75 | 365496651 | 0 |
| 21.201.9.76 | 365496652 | 0 |
| 21.201.9.77 | 365496653 | 0 |
| 21.201.9.78 | 365496654 | 0 |
| 21.201.9.79 | 365496655 | 0 |
| 21.201.9.80 | 365496656 | 0 |
| 21.201.9.81 | 365496657 | 0 |
| 21.201.9.82 | 365496658 | 0 |
| 21.201.9.83 | 365496659 | 0 |
| 21.201.9.84 | 365496660 | 0 |
| 21.201.9.85 | 365496661 | 0 |