L'indirizzo IP 21.78.75 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 | 18/02/2018 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Columbus | 39,9664 | -83,0128 | 2018-02-18 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2018-02-18 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.78.75.0 | 357452544 | 0 |
| 21.78.75.1 | 357452545 | 0 |
| 21.78.75.2 | 357452546 | 0 |
| 21.78.75.3 | 357452547 | 0 |
| 21.78.75.4 | 357452548 | 0 |
| 21.78.75.5 | 357452549 | 0 |
| 21.78.75.6 | 357452550 | 0 |
| 21.78.75.7 | 357452551 | 0 |
| 21.78.75.8 | 357452552 | 0 |
| 21.78.75.9 | 357452553 | 0 |
| 21.78.75.10 | 357452554 | 0 |
| 21.78.75.11 | 357452555 | 0 |
| 21.78.75.12 | 357452556 | 0 |
| 21.78.75.13 | 357452557 | 0 |
| 21.78.75.14 | 357452558 | 0 |
| 21.78.75.15 | 357452559 | 0 |
| 21.78.75.16 | 357452560 | 0 |
| 21.78.75.17 | 357452561 | 0 |
| 21.78.75.18 | 357452562 | 0 |
| 21.78.75.19 | 357452563 | 0 |
| 21.78.75.20 | 357452564 | 0 |
| 21.78.75.21 | 357452565 | 0 |
| 21.78.75.22 | 357452566 | 0 |
| 21.78.75.23 | 357452567 | 0 |
| 21.78.75.24 | 357452568 | 0 |
| 21.78.75.25 | 357452569 | 0 |
| 21.78.75.26 | 357452570 | 0 |
| 21.78.75.27 | 357452571 | 0 |
| 21.78.75.28 | 357452572 | 0 |
| 21.78.75.29 | 357452573 | 0 |
| 21.78.75.30 | 357452574 | 0 |
| 21.78.75.31 | 357452575 | 0 |
| 21.78.75.32 | 357452576 | 0 |
| 21.78.75.33 | 357452577 | 0 |
| 21.78.75.34 | 357452578 | 0 |
| 21.78.75.35 | 357452579 | 0 |
| 21.78.75.36 | 357452580 | 0 |
| 21.78.75.37 | 357452581 | 0 |
| 21.78.75.38 | 357452582 | 0 |
| 21.78.75.39 | 357452583 | 0 |
| 21.78.75.40 | 357452584 | 0 |
| 21.78.75.41 | 357452585 | 0 |
| 21.78.75.42 | 357452586 | 0 |
| 21.78.75.43 | 357452587 | 0 |
| 21.78.75.44 | 357452588 | 0 |
| 21.78.75.45 | 357452589 | 0 |
| 21.78.75.46 | 357452590 | 0 |
| 21.78.75.47 | 357452591 | 0 |
| 21.78.75.48 | 357452592 | 0 |
| 21.78.75.49 | 357452593 | 0 |
| 21.78.75.50 | 357452594 | 0 |
| 21.78.75.51 | 357452595 | 0 |
| 21.78.75.52 | 357452596 | 0 |
| 21.78.75.53 | 357452597 | 0 |
| 21.78.75.54 | 357452598 | 0 |
| 21.78.75.55 | 357452599 | 0 |
| 21.78.75.56 | 357452600 | 0 |
| 21.78.75.57 | 357452601 | 0 |
| 21.78.75.58 | 357452602 | 0 |
| 21.78.75.59 | 357452603 | 0 |
| 21.78.75.60 | 357452604 | 0 |
| 21.78.75.61 | 357452605 | 0 |
| 21.78.75.62 | 357452606 | 0 |
| 21.78.75.63 | 357452607 | 0 |
| 21.78.75.64 | 357452608 | 0 |
| 21.78.75.65 | 357452609 | 0 |
| 21.78.75.66 | 357452610 | 0 |
| 21.78.75.67 | 357452611 | 0 |
| 21.78.75.68 | 357452612 | 0 |
| 21.78.75.69 | 357452613 | 0 |
| 21.78.75.70 | 357452614 | 0 |
| 21.78.75.71 | 357452615 | 0 |
| 21.78.75.72 | 357452616 | 0 |
| 21.78.75.73 | 357452617 | 0 |
| 21.78.75.74 | 357452618 | 0 |
| 21.78.75.75 | 357452619 | 0 |
| 21.78.75.76 | 357452620 | 0 |
| 21.78.75.77 | 357452621 | 0 |
| 21.78.75.78 | 357452622 | 0 |
| 21.78.75.79 | 357452623 | 0 |
| 21.78.75.80 | 357452624 | 0 |
| 21.78.75.81 | 357452625 | 0 |
| 21.78.75.82 | 357452626 | 0 |
| 21.78.75.83 | 357452627 | 0 |
| 21.78.75.84 | 357452628 | 0 |
| 21.78.75.85 | 357452629 | 0 |