The IP address 21.78.40 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 | 29/08/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2017-08-29 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2017-08-29 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.78.40.0 | 357443584 | 0 |
| 21.78.40.1 | 357443585 | 0 |
| 21.78.40.2 | 357443586 | 0 |
| 21.78.40.3 | 357443587 | 0 |
| 21.78.40.4 | 357443588 | 0 |
| 21.78.40.5 | 357443589 | 0 |
| 21.78.40.6 | 357443590 | 0 |
| 21.78.40.7 | 357443591 | 0 |
| 21.78.40.8 | 357443592 | 0 |
| 21.78.40.9 | 357443593 | 0 |
| 21.78.40.10 | 357443594 | 0 |
| 21.78.40.11 | 357443595 | 0 |
| 21.78.40.12 | 357443596 | 0 |
| 21.78.40.13 | 357443597 | 0 |
| 21.78.40.14 | 357443598 | 0 |
| 21.78.40.15 | 357443599 | 0 |
| 21.78.40.16 | 357443600 | 0 |
| 21.78.40.17 | 357443601 | 0 |
| 21.78.40.18 | 357443602 | 0 |
| 21.78.40.19 | 357443603 | 0 |
| 21.78.40.20 | 357443604 | 0 |
| 21.78.40.21 | 357443605 | 0 |
| 21.78.40.22 | 357443606 | 0 |
| 21.78.40.23 | 357443607 | 0 |
| 21.78.40.24 | 357443608 | 0 |
| 21.78.40.25 | 357443609 | 0 |
| 21.78.40.26 | 357443610 | 0 |
| 21.78.40.27 | 357443611 | 0 |
| 21.78.40.28 | 357443612 | 0 |
| 21.78.40.29 | 357443613 | 0 |
| 21.78.40.30 | 357443614 | 0 |
| 21.78.40.31 | 357443615 | 0 |
| 21.78.40.32 | 357443616 | 0 |
| 21.78.40.33 | 357443617 | 0 |
| 21.78.40.34 | 357443618 | 0 |
| 21.78.40.35 | 357443619 | 0 |
| 21.78.40.36 | 357443620 | 0 |
| 21.78.40.37 | 357443621 | 0 |
| 21.78.40.38 | 357443622 | 0 |
| 21.78.40.39 | 357443623 | 0 |
| 21.78.40.40 | 357443624 | 0 |
| 21.78.40.41 | 357443625 | 0 |
| 21.78.40.42 | 357443626 | 0 |
| 21.78.40.43 | 357443627 | 0 |
| 21.78.40.44 | 357443628 | 0 |
| 21.78.40.45 | 357443629 | 0 |
| 21.78.40.46 | 357443630 | 0 |
| 21.78.40.47 | 357443631 | 0 |
| 21.78.40.48 | 357443632 | 0 |
| 21.78.40.49 | 357443633 | 0 |
| 21.78.40.50 | 357443634 | 0 |
| 21.78.40.51 | 357443635 | 0 |
| 21.78.40.52 | 357443636 | 0 |
| 21.78.40.53 | 357443637 | 0 |
| 21.78.40.54 | 357443638 | 0 |
| 21.78.40.55 | 357443639 | 0 |
| 21.78.40.56 | 357443640 | 0 |
| 21.78.40.57 | 357443641 | 0 |
| 21.78.40.58 | 357443642 | 0 |
| 21.78.40.59 | 357443643 | 0 |
| 21.78.40.60 | 357443644 | 0 |
| 21.78.40.61 | 357443645 | 0 |
| 21.78.40.62 | 357443646 | 0 |
| 21.78.40.63 | 357443647 | 0 |
| 21.78.40.64 | 357443648 | 0 |
| 21.78.40.65 | 357443649 | 0 |
| 21.78.40.66 | 357443650 | 0 |
| 21.78.40.67 | 357443651 | 0 |
| 21.78.40.68 | 357443652 | 0 |
| 21.78.40.69 | 357443653 | 0 |
| 21.78.40.70 | 357443654 | 0 |
| 21.78.40.71 | 357443655 | 0 |
| 21.78.40.72 | 357443656 | 0 |
| 21.78.40.73 | 357443657 | 0 |
| 21.78.40.74 | 357443658 | 0 |
| 21.78.40.75 | 357443659 | 0 |
| 21.78.40.76 | 357443660 | 0 |
| 21.78.40.77 | 357443661 | 0 |
| 21.78.40.78 | 357443662 | 0 |
| 21.78.40.79 | 357443663 | 0 |
| 21.78.40.80 | 357443664 | 0 |
| 21.78.40.81 | 357443665 | 0 |
| 21.78.40.82 | 357443666 | 0 |
| 21.78.40.83 | 357443667 | 0 |
| 21.78.40.84 | 357443668 | 0 |
| 21.78.40.85 | 357443669 | 0 |