L'indirizzo IP 21.219.2 è fornito da China Education and Research Network Center, che è di proprietà del CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, IP tra 22.30.204.0 a 22.30.205.255 ). Il numero di sistema autonomo (ASN) è 4538.
| ASN | 4538 |
| IP inizia con | 22.30.204.0 |
| IP finale con | 22.30.205.255 |
| ASN Nome | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numerico | |
| Registe | |
| Ultimo aggiornamento | 07/03/2018 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Columbus | 39,9664 | -83,0128 | 2018-03-07 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2018-03-07 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.219.2.0 | 366674432 | 0 |
| 21.219.2.1 | 366674433 | 0 |
| 21.219.2.2 | 366674434 | 0 |
| 21.219.2.3 | 366674435 | 0 |
| 21.219.2.4 | 366674436 | 0 |
| 21.219.2.5 | 366674437 | 0 |
| 21.219.2.6 | 366674438 | 0 |
| 21.219.2.7 | 366674439 | 0 |
| 21.219.2.8 | 366674440 | 0 |
| 21.219.2.9 | 366674441 | 0 |
| 21.219.2.10 | 366674442 | 0 |
| 21.219.2.11 | 366674443 | 0 |
| 21.219.2.12 | 366674444 | 0 |
| 21.219.2.13 | 366674445 | 0 |
| 21.219.2.14 | 366674446 | 0 |
| 21.219.2.15 | 366674447 | 0 |
| 21.219.2.16 | 366674448 | 0 |
| 21.219.2.17 | 366674449 | 0 |
| 21.219.2.18 | 366674450 | 0 |
| 21.219.2.19 | 366674451 | 0 |
| 21.219.2.20 | 366674452 | 0 |
| 21.219.2.21 | 366674453 | 0 |
| 21.219.2.22 | 366674454 | 0 |
| 21.219.2.23 | 366674455 | 0 |
| 21.219.2.24 | 366674456 | 0 |
| 21.219.2.25 | 366674457 | 0 |
| 21.219.2.26 | 366674458 | 0 |
| 21.219.2.27 | 366674459 | 0 |
| 21.219.2.28 | 366674460 | 0 |
| 21.219.2.29 | 366674461 | 0 |
| 21.219.2.30 | 366674462 | 0 |
| 21.219.2.31 | 366674463 | 0 |
| 21.219.2.32 | 366674464 | 0 |
| 21.219.2.33 | 366674465 | 0 |
| 21.219.2.34 | 366674466 | 0 |
| 21.219.2.35 | 366674467 | 0 |
| 21.219.2.36 | 366674468 | 0 |
| 21.219.2.37 | 366674469 | 0 |
| 21.219.2.38 | 366674470 | 0 |
| 21.219.2.39 | 366674471 | 0 |
| 21.219.2.40 | 366674472 | 0 |
| 21.219.2.41 | 366674473 | 0 |
| 21.219.2.42 | 366674474 | 0 |
| 21.219.2.43 | 366674475 | 0 |
| 21.219.2.44 | 366674476 | 0 |
| 21.219.2.45 | 366674477 | 0 |
| 21.219.2.46 | 366674478 | 0 |
| 21.219.2.47 | 366674479 | 0 |
| 21.219.2.48 | 366674480 | 0 |
| 21.219.2.49 | 366674481 | 0 |
| 21.219.2.50 | 366674482 | 0 |
| 21.219.2.51 | 366674483 | 0 |
| 21.219.2.52 | 366674484 | 0 |
| 21.219.2.53 | 366674485 | 0 |
| 21.219.2.54 | 366674486 | 0 |
| 21.219.2.55 | 366674487 | 0 |
| 21.219.2.56 | 366674488 | 0 |
| 21.219.2.57 | 366674489 | 0 |
| 21.219.2.58 | 366674490 | 0 |
| 21.219.2.59 | 366674491 | 0 |
| 21.219.2.60 | 366674492 | 0 |
| 21.219.2.61 | 366674493 | 0 |
| 21.219.2.62 | 366674494 | 0 |
| 21.219.2.63 | 366674495 | 0 |
| 21.219.2.64 | 366674496 | 0 |
| 21.219.2.65 | 366674497 | 0 |
| 21.219.2.66 | 366674498 | 0 |
| 21.219.2.67 | 366674499 | 0 |
| 21.219.2.68 | 366674500 | 0 |
| 21.219.2.69 | 366674501 | 0 |
| 21.219.2.70 | 366674502 | 0 |
| 21.219.2.71 | 366674503 | 0 |
| 21.219.2.72 | 366674504 | 0 |
| 21.219.2.73 | 366674505 | 0 |
| 21.219.2.74 | 366674506 | 0 |
| 21.219.2.75 | 366674507 | 0 |
| 21.219.2.76 | 366674508 | 0 |
| 21.219.2.77 | 366674509 | 0 |
| 21.219.2.78 | 366674510 | 0 |
| 21.219.2.79 | 366674511 | 0 |
| 21.219.2.80 | 366674512 | 0 |
| 21.219.2.81 | 366674513 | 0 |
| 21.219.2.82 | 366674514 | 0 |
| 21.219.2.83 | 366674515 | 0 |
| 21.219.2.84 | 366674516 | 0 |
| 21.219.2.85 | 366674517 | 0 |