Les adresses IP débutant par 21.76.99 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 | 29/07/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Clovis | 34,4048 | -103,2052 | 2018-07-29 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2018-07-29 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.76.99.0 | 357327616 | 0 |
| 21.76.99.1 | 357327617 | 0 |
| 21.76.99.2 | 357327618 | 0 |
| 21.76.99.3 | 357327619 | 0 |
| 21.76.99.4 | 357327620 | 0 |
| 21.76.99.5 | 357327621 | 0 |
| 21.76.99.6 | 357327622 | 0 |
| 21.76.99.7 | 357327623 | 0 |
| 21.76.99.8 | 357327624 | 0 |
| 21.76.99.9 | 357327625 | 0 |
| 21.76.99.10 | 357327626 | 0 |
| 21.76.99.11 | 357327627 | 0 |
| 21.76.99.12 | 357327628 | 0 |
| 21.76.99.13 | 357327629 | 0 |
| 21.76.99.14 | 357327630 | 0 |
| 21.76.99.15 | 357327631 | 0 |
| 21.76.99.16 | 357327632 | 0 |
| 21.76.99.17 | 357327633 | 0 |
| 21.76.99.18 | 357327634 | 0 |
| 21.76.99.19 | 357327635 | 0 |
| 21.76.99.20 | 357327636 | 0 |
| 21.76.99.21 | 357327637 | 0 |
| 21.76.99.22 | 357327638 | 0 |
| 21.76.99.23 | 357327639 | 0 |
| 21.76.99.24 | 357327640 | 0 |
| 21.76.99.25 | 357327641 | 0 |
| 21.76.99.26 | 357327642 | 0 |
| 21.76.99.27 | 357327643 | 0 |
| 21.76.99.28 | 357327644 | 0 |
| 21.76.99.29 | 357327645 | 0 |
| 21.76.99.30 | 357327646 | 0 |
| 21.76.99.31 | 357327647 | 0 |
| 21.76.99.32 | 357327648 | 0 |
| 21.76.99.33 | 357327649 | 0 |
| 21.76.99.34 | 357327650 | 0 |
| 21.76.99.35 | 357327651 | 0 |
| 21.76.99.36 | 357327652 | 0 |
| 21.76.99.37 | 357327653 | 0 |
| 21.76.99.38 | 357327654 | 0 |
| 21.76.99.39 | 357327655 | 0 |
| 21.76.99.40 | 357327656 | 0 |
| 21.76.99.41 | 357327657 | 0 |
| 21.76.99.42 | 357327658 | 0 |
| 21.76.99.43 | 357327659 | 0 |
| 21.76.99.44 | 357327660 | 0 |
| 21.76.99.45 | 357327661 | 0 |
| 21.76.99.46 | 357327662 | 0 |
| 21.76.99.47 | 357327663 | 0 |
| 21.76.99.48 | 357327664 | 0 |
| 21.76.99.49 | 357327665 | 0 |
| 21.76.99.50 | 357327666 | 0 |
| 21.76.99.51 | 357327667 | 0 |
| 21.76.99.52 | 357327668 | 0 |
| 21.76.99.53 | 357327669 | 0 |
| 21.76.99.54 | 357327670 | 0 |
| 21.76.99.55 | 357327671 | 0 |
| 21.76.99.56 | 357327672 | 0 |
| 21.76.99.57 | 357327673 | 0 |
| 21.76.99.58 | 357327674 | 0 |
| 21.76.99.59 | 357327675 | 0 |
| 21.76.99.60 | 357327676 | 0 |
| 21.76.99.61 | 357327677 | 0 |
| 21.76.99.62 | 357327678 | 0 |
| 21.76.99.63 | 357327679 | 0 |
| 21.76.99.64 | 357327680 | 0 |
| 21.76.99.65 | 357327681 | 0 |
| 21.76.99.66 | 357327682 | 0 |
| 21.76.99.67 | 357327683 | 0 |
| 21.76.99.68 | 357327684 | 0 |
| 21.76.99.69 | 357327685 | 0 |
| 21.76.99.70 | 357327686 | 0 |
| 21.76.99.71 | 357327687 | 0 |
| 21.76.99.72 | 357327688 | 0 |
| 21.76.99.73 | 357327689 | 0 |
| 21.76.99.74 | 357327690 | 0 |
| 21.76.99.75 | 357327691 | 0 |
| 21.76.99.76 | 357327692 | 0 |
| 21.76.99.77 | 357327693 | 0 |
| 21.76.99.78 | 357327694 | 0 |
| 21.76.99.79 | 357327695 | 0 |
| 21.76.99.80 | 357327696 | 0 |
| 21.76.99.81 | 357327697 | 0 |
| 21.76.99.82 | 357327698 | 0 |
| 21.76.99.83 | 357327699 | 0 |
| 21.76.99.84 | 357327700 | 0 |
| 21.76.99.85 | 357327701 | 0 |