L'indirizzo IP 21.80.47 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 | 27/10/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Columbus | 39,9664 | -83,0128 | 2017-10-26 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2017-10-26 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.80.47.0 | 357576448 | 0 |
| 21.80.47.1 | 357576449 | 0 |
| 21.80.47.2 | 357576450 | 0 |
| 21.80.47.3 | 357576451 | 0 |
| 21.80.47.4 | 357576452 | 0 |
| 21.80.47.5 | 357576453 | 0 |
| 21.80.47.6 | 357576454 | 0 |
| 21.80.47.7 | 357576455 | 0 |
| 21.80.47.8 | 357576456 | 0 |
| 21.80.47.9 | 357576457 | 0 |
| 21.80.47.10 | 357576458 | 0 |
| 21.80.47.11 | 357576459 | 0 |
| 21.80.47.12 | 357576460 | 0 |
| 21.80.47.13 | 357576461 | 0 |
| 21.80.47.14 | 357576462 | 0 |
| 21.80.47.15 | 357576463 | 0 |
| 21.80.47.16 | 357576464 | 0 |
| 21.80.47.17 | 357576465 | 0 |
| 21.80.47.18 | 357576466 | 0 |
| 21.80.47.19 | 357576467 | 0 |
| 21.80.47.20 | 357576468 | 0 |
| 21.80.47.21 | 357576469 | 0 |
| 21.80.47.22 | 357576470 | 0 |
| 21.80.47.23 | 357576471 | 0 |
| 21.80.47.24 | 357576472 | 0 |
| 21.80.47.25 | 357576473 | 0 |
| 21.80.47.26 | 357576474 | 0 |
| 21.80.47.27 | 357576475 | 0 |
| 21.80.47.28 | 357576476 | 0 |
| 21.80.47.29 | 357576477 | 0 |
| 21.80.47.30 | 357576478 | 0 |
| 21.80.47.31 | 357576479 | 0 |
| 21.80.47.32 | 357576480 | 0 |
| 21.80.47.33 | 357576481 | 0 |
| 21.80.47.34 | 357576482 | 0 |
| 21.80.47.35 | 357576483 | 0 |
| 21.80.47.36 | 357576484 | 0 |
| 21.80.47.37 | 357576485 | 0 |
| 21.80.47.38 | 357576486 | 0 |
| 21.80.47.39 | 357576487 | 0 |
| 21.80.47.40 | 357576488 | 0 |
| 21.80.47.41 | 357576489 | 0 |
| 21.80.47.42 | 357576490 | 0 |
| 21.80.47.43 | 357576491 | 0 |
| 21.80.47.44 | 357576492 | 0 |
| 21.80.47.45 | 357576493 | 0 |
| 21.80.47.46 | 357576494 | 0 |
| 21.80.47.47 | 357576495 | 0 |
| 21.80.47.48 | 357576496 | 0 |
| 21.80.47.49 | 357576497 | 0 |
| 21.80.47.50 | 357576498 | 0 |
| 21.80.47.51 | 357576499 | 0 |
| 21.80.47.52 | 357576500 | 0 |
| 21.80.47.53 | 357576501 | 0 |
| 21.80.47.54 | 357576502 | 0 |
| 21.80.47.55 | 357576503 | 0 |
| 21.80.47.56 | 357576504 | 0 |
| 21.80.47.57 | 357576505 | 0 |
| 21.80.47.58 | 357576506 | 0 |
| 21.80.47.59 | 357576507 | 0 |
| 21.80.47.60 | 357576508 | 0 |
| 21.80.47.61 | 357576509 | 0 |
| 21.80.47.62 | 357576510 | 0 |
| 21.80.47.63 | 357576511 | 0 |
| 21.80.47.64 | 357576512 | 0 |
| 21.80.47.65 | 357576513 | 0 |
| 21.80.47.66 | 357576514 | 0 |
| 21.80.47.67 | 357576515 | 0 |
| 21.80.47.68 | 357576516 | 0 |
| 21.80.47.69 | 357576517 | 0 |
| 21.80.47.70 | 357576518 | 0 |
| 21.80.47.71 | 357576519 | 0 |
| 21.80.47.72 | 357576520 | 0 |
| 21.80.47.73 | 357576521 | 0 |
| 21.80.47.74 | 357576522 | 0 |
| 21.80.47.75 | 357576523 | 0 |
| 21.80.47.76 | 357576524 | 0 |
| 21.80.47.77 | 357576525 | 0 |
| 21.80.47.78 | 357576526 | 0 |
| 21.80.47.79 | 357576527 | 0 |
| 21.80.47.80 | 357576528 | 0 |
| 21.80.47.81 | 357576529 | 0 |
| 21.80.47.82 | 357576530 | 0 |
| 21.80.47.83 | 357576531 | 0 |
| 21.80.47.84 | 357576532 | 0 |
| 21.80.47.85 | 357576533 | 0 |