The IP address 21.85.37 is provided by China Education and Research Network Center, it's belong to the CDIR (Classless Inter-Domain Routing) 22.30.204.0/23 (range 22.30.204.0 to 22.30.205.255). The autonomous system number (ASN) is 4538.
| ASN | 4538 |
| IP starting by | 22.30.204.0 |
| IP ending by | 22.30.205.255 |
| ASN Name | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| Numerical IP | |
| Registry | |
| Last update | 27/09/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2017-09-27 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2017-09-27 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.85.37.0 | 357901568 | 0 |
| 21.85.37.1 | 357901569 | 0 |
| 21.85.37.2 | 357901570 | 0 |
| 21.85.37.3 | 357901571 | 0 |
| 21.85.37.4 | 357901572 | 0 |
| 21.85.37.5 | 357901573 | 0 |
| 21.85.37.6 | 357901574 | 0 |
| 21.85.37.7 | 357901575 | 0 |
| 21.85.37.8 | 357901576 | 0 |
| 21.85.37.9 | 357901577 | 0 |
| 21.85.37.10 | 357901578 | 0 |
| 21.85.37.11 | 357901579 | 0 |
| 21.85.37.12 | 357901580 | 0 |
| 21.85.37.13 | 357901581 | 0 |
| 21.85.37.14 | 357901582 | 0 |
| 21.85.37.15 | 357901583 | 0 |
| 21.85.37.16 | 357901584 | 0 |
| 21.85.37.17 | 357901585 | 0 |
| 21.85.37.18 | 357901586 | 0 |
| 21.85.37.19 | 357901587 | 0 |
| 21.85.37.20 | 357901588 | 0 |
| 21.85.37.21 | 357901589 | 0 |
| 21.85.37.22 | 357901590 | 0 |
| 21.85.37.23 | 357901591 | 0 |
| 21.85.37.24 | 357901592 | 0 |
| 21.85.37.25 | 357901593 | 0 |
| 21.85.37.26 | 357901594 | 0 |
| 21.85.37.27 | 357901595 | 0 |
| 21.85.37.28 | 357901596 | 0 |
| 21.85.37.29 | 357901597 | 0 |
| 21.85.37.30 | 357901598 | 0 |
| 21.85.37.31 | 357901599 | 0 |
| 21.85.37.32 | 357901600 | 0 |
| 21.85.37.33 | 357901601 | 0 |
| 21.85.37.34 | 357901602 | 0 |
| 21.85.37.35 | 357901603 | 0 |
| 21.85.37.36 | 357901604 | 0 |
| 21.85.37.37 | 357901605 | 0 |
| 21.85.37.38 | 357901606 | 0 |
| 21.85.37.39 | 357901607 | 0 |
| 21.85.37.40 | 357901608 | 0 |
| 21.85.37.41 | 357901609 | 0 |
| 21.85.37.42 | 357901610 | 0 |
| 21.85.37.43 | 357901611 | 0 |
| 21.85.37.44 | 357901612 | 0 |
| 21.85.37.45 | 357901613 | 0 |
| 21.85.37.46 | 357901614 | 0 |
| 21.85.37.47 | 357901615 | 0 |
| 21.85.37.48 | 357901616 | 0 |
| 21.85.37.49 | 357901617 | 0 |
| 21.85.37.50 | 357901618 | 0 |
| 21.85.37.51 | 357901619 | 0 |
| 21.85.37.52 | 357901620 | 0 |
| 21.85.37.53 | 357901621 | 0 |
| 21.85.37.54 | 357901622 | 0 |
| 21.85.37.55 | 357901623 | 0 |
| 21.85.37.56 | 357901624 | 0 |
| 21.85.37.57 | 357901625 | 0 |
| 21.85.37.58 | 357901626 | 0 |
| 21.85.37.59 | 357901627 | 0 |
| 21.85.37.60 | 357901628 | 0 |
| 21.85.37.61 | 357901629 | 0 |
| 21.85.37.62 | 357901630 | 0 |
| 21.85.37.63 | 357901631 | 0 |
| 21.85.37.64 | 357901632 | 0 |
| 21.85.37.65 | 357901633 | 0 |
| 21.85.37.66 | 357901634 | 0 |
| 21.85.37.67 | 357901635 | 0 |
| 21.85.37.68 | 357901636 | 0 |
| 21.85.37.69 | 357901637 | 0 |
| 21.85.37.70 | 357901638 | 0 |
| 21.85.37.71 | 357901639 | 0 |
| 21.85.37.72 | 357901640 | 0 |
| 21.85.37.73 | 357901641 | 0 |
| 21.85.37.74 | 357901642 | 0 |
| 21.85.37.75 | 357901643 | 0 |
| 21.85.37.76 | 357901644 | 0 |
| 21.85.37.77 | 357901645 | 0 |
| 21.85.37.78 | 357901646 | 0 |
| 21.85.37.79 | 357901647 | 0 |
| 21.85.37.80 | 357901648 | 0 |
| 21.85.37.81 | 357901649 | 0 |
| 21.85.37.82 | 357901650 | 0 |
| 21.85.37.83 | 357901651 | 0 |
| 21.85.37.84 | 357901652 | 0 |
| 21.85.37.85 | 357901653 | 0 |