La dirección IP 21.97.55 es proporcionada por China Education and Research Network Center, que es propiedad de la CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, IP entre 22.30.204.0 a 22.30.205.255 ). El número de sistema autónomo (ASN) es 4538.
| ASN | 4538 |
| IP que comienzan con | 22.30.204.0 |
| IP que termina con | 22.30.205.255 |
| ASN Nombre | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numérica | |
| Registe | |
| Última actualización | 03/05/2019 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Houston | 29,7633 | -95,3633 | 2019-05-03 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2019-05-03 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.97.55.0 | 358692608 | 0 |
| 21.97.55.1 | 358692609 | 0 |
| 21.97.55.2 | 358692610 | 0 |
| 21.97.55.3 | 358692611 | 0 |
| 21.97.55.4 | 358692612 | 0 |
| 21.97.55.5 | 358692613 | 0 |
| 21.97.55.6 | 358692614 | 0 |
| 21.97.55.7 | 358692615 | 0 |
| 21.97.55.8 | 358692616 | 0 |
| 21.97.55.9 | 358692617 | 0 |
| 21.97.55.10 | 358692618 | 0 |
| 21.97.55.11 | 358692619 | 0 |
| 21.97.55.12 | 358692620 | 0 |
| 21.97.55.13 | 358692621 | 0 |
| 21.97.55.14 | 358692622 | 0 |
| 21.97.55.15 | 358692623 | 0 |
| 21.97.55.16 | 358692624 | 0 |
| 21.97.55.17 | 358692625 | 0 |
| 21.97.55.18 | 358692626 | 0 |
| 21.97.55.19 | 358692627 | 0 |
| 21.97.55.20 | 358692628 | 0 |
| 21.97.55.21 | 358692629 | 0 |
| 21.97.55.22 | 358692630 | 0 |
| 21.97.55.23 | 358692631 | 0 |
| 21.97.55.24 | 358692632 | 0 |
| 21.97.55.25 | 358692633 | 0 |
| 21.97.55.26 | 358692634 | 0 |
| 21.97.55.27 | 358692635 | 0 |
| 21.97.55.28 | 358692636 | 0 |
| 21.97.55.29 | 358692637 | 0 |
| 21.97.55.30 | 358692638 | 0 |
| 21.97.55.31 | 358692639 | 0 |
| 21.97.55.32 | 358692640 | 0 |
| 21.97.55.33 | 358692641 | 0 |
| 21.97.55.34 | 358692642 | 0 |
| 21.97.55.35 | 358692643 | 0 |
| 21.97.55.36 | 358692644 | 0 |
| 21.97.55.37 | 358692645 | 0 |
| 21.97.55.38 | 358692646 | 0 |
| 21.97.55.39 | 358692647 | 0 |
| 21.97.55.40 | 358692648 | 0 |
| 21.97.55.41 | 358692649 | 0 |
| 21.97.55.42 | 358692650 | 0 |
| 21.97.55.43 | 358692651 | 0 |
| 21.97.55.44 | 358692652 | 0 |
| 21.97.55.45 | 358692653 | 0 |
| 21.97.55.46 | 358692654 | 0 |
| 21.97.55.47 | 358692655 | 0 |
| 21.97.55.48 | 358692656 | 0 |
| 21.97.55.49 | 358692657 | 0 |
| 21.97.55.50 | 358692658 | 0 |
| 21.97.55.51 | 358692659 | 0 |
| 21.97.55.52 | 358692660 | 0 |
| 21.97.55.53 | 358692661 | 0 |
| 21.97.55.54 | 358692662 | 0 |
| 21.97.55.55 | 358692663 | 0 |
| 21.97.55.56 | 358692664 | 0 |
| 21.97.55.57 | 358692665 | 0 |
| 21.97.55.58 | 358692666 | 0 |
| 21.97.55.59 | 358692667 | 0 |
| 21.97.55.60 | 358692668 | 0 |
| 21.97.55.61 | 358692669 | 0 |
| 21.97.55.62 | 358692670 | 0 |
| 21.97.55.63 | 358692671 | 0 |
| 21.97.55.64 | 358692672 | 0 |
| 21.97.55.65 | 358692673 | 0 |
| 21.97.55.66 | 358692674 | 0 |
| 21.97.55.67 | 358692675 | 0 |
| 21.97.55.68 | 358692676 | 0 |
| 21.97.55.69 | 358692677 | 0 |
| 21.97.55.70 | 358692678 | 0 |
| 21.97.55.71 | 358692679 | 0 |
| 21.97.55.72 | 358692680 | 0 |
| 21.97.55.73 | 358692681 | 0 |
| 21.97.55.74 | 358692682 | 0 |
| 21.97.55.75 | 358692683 | 0 |
| 21.97.55.76 | 358692684 | 0 |
| 21.97.55.77 | 358692685 | 0 |
| 21.97.55.78 | 358692686 | 0 |
| 21.97.55.79 | 358692687 | 0 |
| 21.97.55.80 | 358692688 | 0 |
| 21.97.55.81 | 358692689 | 0 |
| 21.97.55.82 | 358692690 | 0 |
| 21.97.55.83 | 358692691 | 0 |
| 21.97.55.84 | 358692692 | 0 |
| 21.97.55.85 | 358692693 | 0 |