The IP address 21.88.50 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 | 19/08/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2017-08-19 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2017-08-19 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.88.50.0 | 358101504 | 0 |
| 21.88.50.1 | 358101505 | 0 |
| 21.88.50.2 | 358101506 | 0 |
| 21.88.50.3 | 358101507 | 0 |
| 21.88.50.4 | 358101508 | 0 |
| 21.88.50.5 | 358101509 | 0 |
| 21.88.50.6 | 358101510 | 0 |
| 21.88.50.7 | 358101511 | 0 |
| 21.88.50.8 | 358101512 | 0 |
| 21.88.50.9 | 358101513 | 0 |
| 21.88.50.10 | 358101514 | 0 |
| 21.88.50.11 | 358101515 | 0 |
| 21.88.50.12 | 358101516 | 0 |
| 21.88.50.13 | 358101517 | 0 |
| 21.88.50.14 | 358101518 | 0 |
| 21.88.50.15 | 358101519 | 0 |
| 21.88.50.16 | 358101520 | 0 |
| 21.88.50.17 | 358101521 | 0 |
| 21.88.50.18 | 358101522 | 0 |
| 21.88.50.19 | 358101523 | 0 |
| 21.88.50.20 | 358101524 | 0 |
| 21.88.50.21 | 358101525 | 0 |
| 21.88.50.22 | 358101526 | 0 |
| 21.88.50.23 | 358101527 | 0 |
| 21.88.50.24 | 358101528 | 0 |
| 21.88.50.25 | 358101529 | 0 |
| 21.88.50.26 | 358101530 | 0 |
| 21.88.50.27 | 358101531 | 0 |
| 21.88.50.28 | 358101532 | 0 |
| 21.88.50.29 | 358101533 | 0 |
| 21.88.50.30 | 358101534 | 0 |
| 21.88.50.31 | 358101535 | 0 |
| 21.88.50.32 | 358101536 | 0 |
| 21.88.50.33 | 358101537 | 0 |
| 21.88.50.34 | 358101538 | 0 |
| 21.88.50.35 | 358101539 | 0 |
| 21.88.50.36 | 358101540 | 0 |
| 21.88.50.37 | 358101541 | 0 |
| 21.88.50.38 | 358101542 | 0 |
| 21.88.50.39 | 358101543 | 0 |
| 21.88.50.40 | 358101544 | 0 |
| 21.88.50.41 | 358101545 | 0 |
| 21.88.50.42 | 358101546 | 0 |
| 21.88.50.43 | 358101547 | 0 |
| 21.88.50.44 | 358101548 | 0 |
| 21.88.50.45 | 358101549 | 0 |
| 21.88.50.46 | 358101550 | 0 |
| 21.88.50.47 | 358101551 | 0 |
| 21.88.50.48 | 358101552 | 0 |
| 21.88.50.49 | 358101553 | 0 |
| 21.88.50.50 | 358101554 | 0 |
| 21.88.50.51 | 358101555 | 0 |
| 21.88.50.52 | 358101556 | 0 |
| 21.88.50.53 | 358101557 | 0 |
| 21.88.50.54 | 358101558 | 0 |
| 21.88.50.55 | 358101559 | 0 |
| 21.88.50.56 | 358101560 | 0 |
| 21.88.50.57 | 358101561 | 0 |
| 21.88.50.58 | 358101562 | 0 |
| 21.88.50.59 | 358101563 | 0 |
| 21.88.50.60 | 358101564 | 0 |
| 21.88.50.61 | 358101565 | 0 |
| 21.88.50.62 | 358101566 | 0 |
| 21.88.50.63 | 358101567 | 0 |
| 21.88.50.64 | 358101568 | 0 |
| 21.88.50.65 | 358101569 | 0 |
| 21.88.50.66 | 358101570 | 0 |
| 21.88.50.67 | 358101571 | 0 |
| 21.88.50.68 | 358101572 | 0 |
| 21.88.50.69 | 358101573 | 0 |
| 21.88.50.70 | 358101574 | 0 |
| 21.88.50.71 | 358101575 | 0 |
| 21.88.50.72 | 358101576 | 0 |
| 21.88.50.73 | 358101577 | 0 |
| 21.88.50.74 | 358101578 | 0 |
| 21.88.50.75 | 358101579 | 0 |
| 21.88.50.76 | 358101580 | 0 |
| 21.88.50.77 | 358101581 | 0 |
| 21.88.50.78 | 358101582 | 0 |
| 21.88.50.79 | 358101583 | 0 |
| 21.88.50.80 | 358101584 | 0 |
| 21.88.50.81 | 358101585 | 0 |
| 21.88.50.82 | 358101586 | 0 |
| 21.88.50.83 | 358101587 | 0 |
| 21.88.50.84 | 358101588 | 0 |
| 21.88.50.85 | 358101589 | 0 |