The IP address 21.83.76 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 | 16/09/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2017-09-16 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2017-09-16 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.83.76.0 | 357780480 | 0 |
| 21.83.76.1 | 357780481 | 0 |
| 21.83.76.2 | 357780482 | 0 |
| 21.83.76.3 | 357780483 | 0 |
| 21.83.76.4 | 357780484 | 0 |
| 21.83.76.5 | 357780485 | 0 |
| 21.83.76.6 | 357780486 | 0 |
| 21.83.76.7 | 357780487 | 0 |
| 21.83.76.8 | 357780488 | 0 |
| 21.83.76.9 | 357780489 | 0 |
| 21.83.76.10 | 357780490 | 0 |
| 21.83.76.11 | 357780491 | 0 |
| 21.83.76.12 | 357780492 | 0 |
| 21.83.76.13 | 357780493 | 0 |
| 21.83.76.14 | 357780494 | 0 |
| 21.83.76.15 | 357780495 | 0 |
| 21.83.76.16 | 357780496 | 0 |
| 21.83.76.17 | 357780497 | 0 |
| 21.83.76.18 | 357780498 | 0 |
| 21.83.76.19 | 357780499 | 0 |
| 21.83.76.20 | 357780500 | 0 |
| 21.83.76.21 | 357780501 | 0 |
| 21.83.76.22 | 357780502 | 0 |
| 21.83.76.23 | 357780503 | 0 |
| 21.83.76.24 | 357780504 | 0 |
| 21.83.76.25 | 357780505 | 0 |
| 21.83.76.26 | 357780506 | 0 |
| 21.83.76.27 | 357780507 | 0 |
| 21.83.76.28 | 357780508 | 0 |
| 21.83.76.29 | 357780509 | 0 |
| 21.83.76.30 | 357780510 | 0 |
| 21.83.76.31 | 357780511 | 0 |
| 21.83.76.32 | 357780512 | 0 |
| 21.83.76.33 | 357780513 | 0 |
| 21.83.76.34 | 357780514 | 0 |
| 21.83.76.35 | 357780515 | 0 |
| 21.83.76.36 | 357780516 | 0 |
| 21.83.76.37 | 357780517 | 0 |
| 21.83.76.38 | 357780518 | 0 |
| 21.83.76.39 | 357780519 | 0 |
| 21.83.76.40 | 357780520 | 0 |
| 21.83.76.41 | 357780521 | 0 |
| 21.83.76.42 | 357780522 | 0 |
| 21.83.76.43 | 357780523 | 0 |
| 21.83.76.44 | 357780524 | 0 |
| 21.83.76.45 | 357780525 | 0 |
| 21.83.76.46 | 357780526 | 0 |
| 21.83.76.47 | 357780527 | 0 |
| 21.83.76.48 | 357780528 | 0 |
| 21.83.76.49 | 357780529 | 0 |
| 21.83.76.50 | 357780530 | 0 |
| 21.83.76.51 | 357780531 | 0 |
| 21.83.76.52 | 357780532 | 0 |
| 21.83.76.53 | 357780533 | 0 |
| 21.83.76.54 | 357780534 | 0 |
| 21.83.76.55 | 357780535 | 0 |
| 21.83.76.56 | 357780536 | 0 |
| 21.83.76.57 | 357780537 | 0 |
| 21.83.76.58 | 357780538 | 0 |
| 21.83.76.59 | 357780539 | 0 |
| 21.83.76.60 | 357780540 | 0 |
| 21.83.76.61 | 357780541 | 0 |
| 21.83.76.62 | 357780542 | 0 |
| 21.83.76.63 | 357780543 | 0 |
| 21.83.76.64 | 357780544 | 0 |
| 21.83.76.65 | 357780545 | 0 |
| 21.83.76.66 | 357780546 | 0 |
| 21.83.76.67 | 357780547 | 0 |
| 21.83.76.68 | 357780548 | 0 |
| 21.83.76.69 | 357780549 | 0 |
| 21.83.76.70 | 357780550 | 0 |
| 21.83.76.71 | 357780551 | 0 |
| 21.83.76.72 | 357780552 | 0 |
| 21.83.76.73 | 357780553 | 0 |
| 21.83.76.74 | 357780554 | 0 |
| 21.83.76.75 | 357780555 | 0 |
| 21.83.76.76 | 357780556 | 0 |
| 21.83.76.77 | 357780557 | 0 |
| 21.83.76.78 | 357780558 | 0 |
| 21.83.76.79 | 357780559 | 0 |
| 21.83.76.80 | 357780560 | 0 |
| 21.83.76.81 | 357780561 | 0 |
| 21.83.76.82 | 357780562 | 0 |
| 21.83.76.83 | 357780563 | 0 |
| 21.83.76.84 | 357780564 | 0 |
| 21.83.76.85 | 357780565 | 0 |