L'indirizzo IP 21.84.78 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 | 16/09/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Columbus | 39,9664 | -83,0128 | 2017-09-15 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2017-09-15 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.84.78.0 | 357846528 | 0 |
| 21.84.78.1 | 357846529 | 0 |
| 21.84.78.2 | 357846530 | 0 |
| 21.84.78.3 | 357846531 | 0 |
| 21.84.78.4 | 357846532 | 0 |
| 21.84.78.5 | 357846533 | 0 |
| 21.84.78.6 | 357846534 | 0 |
| 21.84.78.7 | 357846535 | 0 |
| 21.84.78.8 | 357846536 | 0 |
| 21.84.78.9 | 357846537 | 0 |
| 21.84.78.10 | 357846538 | 0 |
| 21.84.78.11 | 357846539 | 0 |
| 21.84.78.12 | 357846540 | 0 |
| 21.84.78.13 | 357846541 | 0 |
| 21.84.78.14 | 357846542 | 0 |
| 21.84.78.15 | 357846543 | 0 |
| 21.84.78.16 | 357846544 | 0 |
| 21.84.78.17 | 357846545 | 0 |
| 21.84.78.18 | 357846546 | 0 |
| 21.84.78.19 | 357846547 | 0 |
| 21.84.78.20 | 357846548 | 0 |
| 21.84.78.21 | 357846549 | 0 |
| 21.84.78.22 | 357846550 | 0 |
| 21.84.78.23 | 357846551 | 0 |
| 21.84.78.24 | 357846552 | 0 |
| 21.84.78.25 | 357846553 | 0 |
| 21.84.78.26 | 357846554 | 0 |
| 21.84.78.27 | 357846555 | 0 |
| 21.84.78.28 | 357846556 | 0 |
| 21.84.78.29 | 357846557 | 0 |
| 21.84.78.30 | 357846558 | 0 |
| 21.84.78.31 | 357846559 | 0 |
| 21.84.78.32 | 357846560 | 0 |
| 21.84.78.33 | 357846561 | 0 |
| 21.84.78.34 | 357846562 | 0 |
| 21.84.78.35 | 357846563 | 0 |
| 21.84.78.36 | 357846564 | 0 |
| 21.84.78.37 | 357846565 | 0 |
| 21.84.78.38 | 357846566 | 0 |
| 21.84.78.39 | 357846567 | 0 |
| 21.84.78.40 | 357846568 | 0 |
| 21.84.78.41 | 357846569 | 0 |
| 21.84.78.42 | 357846570 | 0 |
| 21.84.78.43 | 357846571 | 0 |
| 21.84.78.44 | 357846572 | 0 |
| 21.84.78.45 | 357846573 | 0 |
| 21.84.78.46 | 357846574 | 0 |
| 21.84.78.47 | 357846575 | 0 |
| 21.84.78.48 | 357846576 | 0 |
| 21.84.78.49 | 357846577 | 0 |
| 21.84.78.50 | 357846578 | 0 |
| 21.84.78.51 | 357846579 | 0 |
| 21.84.78.52 | 357846580 | 0 |
| 21.84.78.53 | 357846581 | 0 |
| 21.84.78.54 | 357846582 | 0 |
| 21.84.78.55 | 357846583 | 0 |
| 21.84.78.56 | 357846584 | 0 |
| 21.84.78.57 | 357846585 | 0 |
| 21.84.78.58 | 357846586 | 0 |
| 21.84.78.59 | 357846587 | 0 |
| 21.84.78.60 | 357846588 | 0 |
| 21.84.78.61 | 357846589 | 0 |
| 21.84.78.62 | 357846590 | 0 |
| 21.84.78.63 | 357846591 | 0 |
| 21.84.78.64 | 357846592 | 0 |
| 21.84.78.65 | 357846593 | 0 |
| 21.84.78.66 | 357846594 | 0 |
| 21.84.78.67 | 357846595 | 0 |
| 21.84.78.68 | 357846596 | 0 |
| 21.84.78.69 | 357846597 | 0 |
| 21.84.78.70 | 357846598 | 0 |
| 21.84.78.71 | 357846599 | 0 |
| 21.84.78.72 | 357846600 | 0 |
| 21.84.78.73 | 357846601 | 0 |
| 21.84.78.74 | 357846602 | 0 |
| 21.84.78.75 | 357846603 | 0 |
| 21.84.78.76 | 357846604 | 0 |
| 21.84.78.77 | 357846605 | 0 |
| 21.84.78.78 | 357846606 | 0 |
| 21.84.78.79 | 357846607 | 0 |
| 21.84.78.80 | 357846608 | 0 |
| 21.84.78.81 | 357846609 | 0 |
| 21.84.78.82 | 357846610 | 0 |
| 21.84.78.83 | 357846611 | 0 |
| 21.84.78.84 | 357846612 | 0 |
| 21.84.78.85 | 357846613 | 0 |