The IP address 21.83.84 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 | 28/09/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2017-09-28 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2017-09-28 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.83.84.0 | 357782528 | 0 |
| 21.83.84.1 | 357782529 | 0 |
| 21.83.84.2 | 357782530 | 0 |
| 21.83.84.3 | 357782531 | 0 |
| 21.83.84.4 | 357782532 | 0 |
| 21.83.84.5 | 357782533 | 0 |
| 21.83.84.6 | 357782534 | 0 |
| 21.83.84.7 | 357782535 | 0 |
| 21.83.84.8 | 357782536 | 0 |
| 21.83.84.9 | 357782537 | 0 |
| 21.83.84.10 | 357782538 | 0 |
| 21.83.84.11 | 357782539 | 0 |
| 21.83.84.12 | 357782540 | 0 |
| 21.83.84.13 | 357782541 | 0 |
| 21.83.84.14 | 357782542 | 0 |
| 21.83.84.15 | 357782543 | 0 |
| 21.83.84.16 | 357782544 | 0 |
| 21.83.84.17 | 357782545 | 0 |
| 21.83.84.18 | 357782546 | 0 |
| 21.83.84.19 | 357782547 | 0 |
| 21.83.84.20 | 357782548 | 0 |
| 21.83.84.21 | 357782549 | 0 |
| 21.83.84.22 | 357782550 | 0 |
| 21.83.84.23 | 357782551 | 0 |
| 21.83.84.24 | 357782552 | 0 |
| 21.83.84.25 | 357782553 | 0 |
| 21.83.84.26 | 357782554 | 0 |
| 21.83.84.27 | 357782555 | 0 |
| 21.83.84.28 | 357782556 | 0 |
| 21.83.84.29 | 357782557 | 0 |
| 21.83.84.30 | 357782558 | 0 |
| 21.83.84.31 | 357782559 | 0 |
| 21.83.84.32 | 357782560 | 0 |
| 21.83.84.33 | 357782561 | 0 |
| 21.83.84.34 | 357782562 | 0 |
| 21.83.84.35 | 357782563 | 0 |
| 21.83.84.36 | 357782564 | 0 |
| 21.83.84.37 | 357782565 | 0 |
| 21.83.84.38 | 357782566 | 0 |
| 21.83.84.39 | 357782567 | 0 |
| 21.83.84.40 | 357782568 | 0 |
| 21.83.84.41 | 357782569 | 0 |
| 21.83.84.42 | 357782570 | 0 |
| 21.83.84.43 | 357782571 | 0 |
| 21.83.84.44 | 357782572 | 0 |
| 21.83.84.45 | 357782573 | 0 |
| 21.83.84.46 | 357782574 | 0 |
| 21.83.84.47 | 357782575 | 0 |
| 21.83.84.48 | 357782576 | 0 |
| 21.83.84.49 | 357782577 | 0 |
| 21.83.84.50 | 357782578 | 0 |
| 21.83.84.51 | 357782579 | 0 |
| 21.83.84.52 | 357782580 | 0 |
| 21.83.84.53 | 357782581 | 0 |
| 21.83.84.54 | 357782582 | 0 |
| 21.83.84.55 | 357782583 | 0 |
| 21.83.84.56 | 357782584 | 0 |
| 21.83.84.57 | 357782585 | 0 |
| 21.83.84.58 | 357782586 | 0 |
| 21.83.84.59 | 357782587 | 0 |
| 21.83.84.60 | 357782588 | 0 |
| 21.83.84.61 | 357782589 | 0 |
| 21.83.84.62 | 357782590 | 0 |
| 21.83.84.63 | 357782591 | 0 |
| 21.83.84.64 | 357782592 | 0 |
| 21.83.84.65 | 357782593 | 0 |
| 21.83.84.66 | 357782594 | 0 |
| 21.83.84.67 | 357782595 | 0 |
| 21.83.84.68 | 357782596 | 0 |
| 21.83.84.69 | 357782597 | 0 |
| 21.83.84.70 | 357782598 | 0 |
| 21.83.84.71 | 357782599 | 0 |
| 21.83.84.72 | 357782600 | 0 |
| 21.83.84.73 | 357782601 | 0 |
| 21.83.84.74 | 357782602 | 0 |
| 21.83.84.75 | 357782603 | 0 |
| 21.83.84.76 | 357782604 | 0 |
| 21.83.84.77 | 357782605 | 0 |
| 21.83.84.78 | 357782606 | 0 |
| 21.83.84.79 | 357782607 | 0 |
| 21.83.84.80 | 357782608 | 0 |
| 21.83.84.81 | 357782609 | 0 |
| 21.83.84.82 | 357782610 | 0 |
| 21.83.84.83 | 357782611 | 0 |
| 21.83.84.84 | 357782612 | 0 |
| 21.83.84.85 | 357782613 | 0 |