L'indirizzo IP 21.83.80 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 | 12/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| 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 |
| 21.83.80.0 | 357781504 | 0 |
| 21.83.80.1 | 357781505 | 0 |
| 21.83.80.2 | 357781506 | 0 |
| 21.83.80.3 | 357781507 | 0 |
| 21.83.80.4 | 357781508 | 0 |
| 21.83.80.5 | 357781509 | 0 |
| 21.83.80.6 | 357781510 | 0 |
| 21.83.80.7 | 357781511 | 0 |
| 21.83.80.8 | 357781512 | 0 |
| 21.83.80.9 | 357781513 | 0 |
| 21.83.80.10 | 357781514 | 0 |
| 21.83.80.11 | 357781515 | 0 |
| 21.83.80.12 | 357781516 | 0 |
| 21.83.80.13 | 357781517 | 0 |
| 21.83.80.14 | 357781518 | 0 |
| 21.83.80.15 | 357781519 | 0 |
| 21.83.80.16 | 357781520 | 0 |
| 21.83.80.17 | 357781521 | 0 |
| 21.83.80.18 | 357781522 | 0 |
| 21.83.80.19 | 357781523 | 0 |
| 21.83.80.20 | 357781524 | 0 |
| 21.83.80.21 | 357781525 | 0 |
| 21.83.80.22 | 357781526 | 0 |
| 21.83.80.23 | 357781527 | 0 |
| 21.83.80.24 | 357781528 | 0 |
| 21.83.80.25 | 357781529 | 0 |
| 21.83.80.26 | 357781530 | 0 |
| 21.83.80.27 | 357781531 | 0 |
| 21.83.80.28 | 357781532 | 0 |
| 21.83.80.29 | 357781533 | 0 |
| 21.83.80.30 | 357781534 | 0 |
| 21.83.80.31 | 357781535 | 0 |
| 21.83.80.32 | 357781536 | 0 |
| 21.83.80.33 | 357781537 | 0 |
| 21.83.80.34 | 357781538 | 0 |
| 21.83.80.35 | 357781539 | 0 |
| 21.83.80.36 | 357781540 | 0 |
| 21.83.80.37 | 357781541 | 0 |
| 21.83.80.38 | 357781542 | 0 |
| 21.83.80.39 | 357781543 | 0 |
| 21.83.80.40 | 357781544 | 0 |
| 21.83.80.41 | 357781545 | 0 |
| 21.83.80.42 | 357781546 | 0 |
| 21.83.80.43 | 357781547 | 0 |
| 21.83.80.44 | 357781548 | 0 |
| 21.83.80.45 | 357781549 | 0 |
| 21.83.80.46 | 357781550 | 0 |
| 21.83.80.47 | 357781551 | 0 |
| 21.83.80.48 | 357781552 | 0 |
| 21.83.80.49 | 357781553 | 0 |
| 21.83.80.50 | 357781554 | 0 |
| 21.83.80.51 | 357781555 | 0 |
| 21.83.80.52 | 357781556 | 0 |
| 21.83.80.53 | 357781557 | 0 |
| 21.83.80.54 | 357781558 | 0 |
| 21.83.80.55 | 357781559 | 0 |
| 21.83.80.56 | 357781560 | 0 |
| 21.83.80.57 | 357781561 | 0 |
| 21.83.80.58 | 357781562 | 0 |
| 21.83.80.59 | 357781563 | 0 |
| 21.83.80.60 | 357781564 | 0 |
| 21.83.80.61 | 357781565 | 0 |
| 21.83.80.62 | 357781566 | 0 |
| 21.83.80.63 | 357781567 | 0 |
| 21.83.80.64 | 357781568 | 0 |
| 21.83.80.65 | 357781569 | 0 |
| 21.83.80.66 | 357781570 | 0 |
| 21.83.80.67 | 357781571 | 0 |
| 21.83.80.68 | 357781572 | 0 |
| 21.83.80.69 | 357781573 | 0 |
| 21.83.80.70 | 357781574 | 0 |
| 21.83.80.71 | 357781575 | 0 |
| 21.83.80.72 | 357781576 | 0 |
| 21.83.80.73 | 357781577 | 0 |
| 21.83.80.74 | 357781578 | 0 |
| 21.83.80.75 | 357781579 | 0 |
| 21.83.80.76 | 357781580 | 0 |
| 21.83.80.77 | 357781581 | 0 |
| 21.83.80.78 | 357781582 | 0 |
| 21.83.80.79 | 357781583 | 0 |
| 21.83.80.80 | 357781584 | 0 |
| 21.83.80.81 | 357781585 | 0 |
| 21.83.80.82 | 357781586 | 0 |
| 21.83.80.83 | 357781587 | 0 |
| 21.83.80.84 | 357781588 | 0 |
| 21.83.80.85 | 357781589 | 0 |