Les adresses IP débutant par 21.78.83 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 | 24/08/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Clovis | 34,4048 | -103,2052 | 2018-08-24 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2018-08-24 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.78.83.0 | 357454592 | 0 |
| 21.78.83.1 | 357454593 | 0 |
| 21.78.83.2 | 357454594 | 0 |
| 21.78.83.3 | 357454595 | 0 |
| 21.78.83.4 | 357454596 | 0 |
| 21.78.83.5 | 357454597 | 0 |
| 21.78.83.6 | 357454598 | 0 |
| 21.78.83.7 | 357454599 | 0 |
| 21.78.83.8 | 357454600 | 0 |
| 21.78.83.9 | 357454601 | 0 |
| 21.78.83.10 | 357454602 | 0 |
| 21.78.83.11 | 357454603 | 0 |
| 21.78.83.12 | 357454604 | 0 |
| 21.78.83.13 | 357454605 | 0 |
| 21.78.83.14 | 357454606 | 0 |
| 21.78.83.15 | 357454607 | 0 |
| 21.78.83.16 | 357454608 | 0 |
| 21.78.83.17 | 357454609 | 0 |
| 21.78.83.18 | 357454610 | 0 |
| 21.78.83.19 | 357454611 | 0 |
| 21.78.83.20 | 357454612 | 0 |
| 21.78.83.21 | 357454613 | 0 |
| 21.78.83.22 | 357454614 | 0 |
| 21.78.83.23 | 357454615 | 0 |
| 21.78.83.24 | 357454616 | 0 |
| 21.78.83.25 | 357454617 | 0 |
| 21.78.83.26 | 357454618 | 0 |
| 21.78.83.27 | 357454619 | 0 |
| 21.78.83.28 | 357454620 | 0 |
| 21.78.83.29 | 357454621 | 0 |
| 21.78.83.30 | 357454622 | 0 |
| 21.78.83.31 | 357454623 | 0 |
| 21.78.83.32 | 357454624 | 0 |
| 21.78.83.33 | 357454625 | 0 |
| 21.78.83.34 | 357454626 | 0 |
| 21.78.83.35 | 357454627 | 0 |
| 21.78.83.36 | 357454628 | 0 |
| 21.78.83.37 | 357454629 | 0 |
| 21.78.83.38 | 357454630 | 0 |
| 21.78.83.39 | 357454631 | 0 |
| 21.78.83.40 | 357454632 | 0 |
| 21.78.83.41 | 357454633 | 0 |
| 21.78.83.42 | 357454634 | 0 |
| 21.78.83.43 | 357454635 | 0 |
| 21.78.83.44 | 357454636 | 0 |
| 21.78.83.45 | 357454637 | 0 |
| 21.78.83.46 | 357454638 | 0 |
| 21.78.83.47 | 357454639 | 0 |
| 21.78.83.48 | 357454640 | 0 |
| 21.78.83.49 | 357454641 | 0 |
| 21.78.83.50 | 357454642 | 0 |
| 21.78.83.51 | 357454643 | 0 |
| 21.78.83.52 | 357454644 | 0 |
| 21.78.83.53 | 357454645 | 0 |
| 21.78.83.54 | 357454646 | 0 |
| 21.78.83.55 | 357454647 | 0 |
| 21.78.83.56 | 357454648 | 0 |
| 21.78.83.57 | 357454649 | 0 |
| 21.78.83.58 | 357454650 | 0 |
| 21.78.83.59 | 357454651 | 0 |
| 21.78.83.60 | 357454652 | 0 |
| 21.78.83.61 | 357454653 | 0 |
| 21.78.83.62 | 357454654 | 0 |
| 21.78.83.63 | 357454655 | 0 |
| 21.78.83.64 | 357454656 | 0 |
| 21.78.83.65 | 357454657 | 0 |
| 21.78.83.66 | 357454658 | 0 |
| 21.78.83.67 | 357454659 | 0 |
| 21.78.83.68 | 357454660 | 0 |
| 21.78.83.69 | 357454661 | 0 |
| 21.78.83.70 | 357454662 | 0 |
| 21.78.83.71 | 357454663 | 0 |
| 21.78.83.72 | 357454664 | 0 |
| 21.78.83.73 | 357454665 | 0 |
| 21.78.83.74 | 357454666 | 0 |
| 21.78.83.75 | 357454667 | 0 |
| 21.78.83.76 | 357454668 | 0 |
| 21.78.83.77 | 357454669 | 0 |
| 21.78.83.78 | 357454670 | 0 |
| 21.78.83.79 | 357454671 | 0 |
| 21.78.83.80 | 357454672 | 0 |
| 21.78.83.81 | 357454673 | 0 |
| 21.78.83.82 | 357454674 | 0 |
| 21.78.83.83 | 357454675 | 0 |
| 21.78.83.84 | 357454676 | 0 |
| 21.78.83.85 | 357454677 | 0 |