La dirección IP 21.84.74 es proporcionada por China Education and Research Network Center, que es propiedad de la CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, IP entre 22.30.204.0 a 22.30.205.255 ). El número de sistema autónomo (ASN) es 4538.
| ASN | 4538 |
| IP que comienzan con | 22.30.204.0 |
| IP que termina con | 22.30.205.255 |
| ASN Nombre | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numérica | |
| Registe | |
| Última actualización | 15/09/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2017-09-14 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-09-14 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.84.74.0 | 357845504 | 0 |
| 21.84.74.1 | 357845505 | 0 |
| 21.84.74.2 | 357845506 | 0 |
| 21.84.74.3 | 357845507 | 0 |
| 21.84.74.4 | 357845508 | 0 |
| 21.84.74.5 | 357845509 | 0 |
| 21.84.74.6 | 357845510 | 0 |
| 21.84.74.7 | 357845511 | 0 |
| 21.84.74.8 | 357845512 | 0 |
| 21.84.74.9 | 357845513 | 0 |
| 21.84.74.10 | 357845514 | 0 |
| 21.84.74.11 | 357845515 | 0 |
| 21.84.74.12 | 357845516 | 0 |
| 21.84.74.13 | 357845517 | 0 |
| 21.84.74.14 | 357845518 | 0 |
| 21.84.74.15 | 357845519 | 0 |
| 21.84.74.16 | 357845520 | 0 |
| 21.84.74.17 | 357845521 | 0 |
| 21.84.74.18 | 357845522 | 0 |
| 21.84.74.19 | 357845523 | 0 |
| 21.84.74.20 | 357845524 | 0 |
| 21.84.74.21 | 357845525 | 0 |
| 21.84.74.22 | 357845526 | 0 |
| 21.84.74.23 | 357845527 | 0 |
| 21.84.74.24 | 357845528 | 0 |
| 21.84.74.25 | 357845529 | 0 |
| 21.84.74.26 | 357845530 | 0 |
| 21.84.74.27 | 357845531 | 0 |
| 21.84.74.28 | 357845532 | 0 |
| 21.84.74.29 | 357845533 | 0 |
| 21.84.74.30 | 357845534 | 0 |
| 21.84.74.31 | 357845535 | 0 |
| 21.84.74.32 | 357845536 | 0 |
| 21.84.74.33 | 357845537 | 0 |
| 21.84.74.34 | 357845538 | 0 |
| 21.84.74.35 | 357845539 | 0 |
| 21.84.74.36 | 357845540 | 0 |
| 21.84.74.37 | 357845541 | 0 |
| 21.84.74.38 | 357845542 | 0 |
| 21.84.74.39 | 357845543 | 0 |
| 21.84.74.40 | 357845544 | 0 |
| 21.84.74.41 | 357845545 | 0 |
| 21.84.74.42 | 357845546 | 0 |
| 21.84.74.43 | 357845547 | 0 |
| 21.84.74.44 | 357845548 | 0 |
| 21.84.74.45 | 357845549 | 0 |
| 21.84.74.46 | 357845550 | 0 |
| 21.84.74.47 | 357845551 | 0 |
| 21.84.74.48 | 357845552 | 0 |
| 21.84.74.49 | 357845553 | 0 |
| 21.84.74.50 | 357845554 | 0 |
| 21.84.74.51 | 357845555 | 0 |
| 21.84.74.52 | 357845556 | 0 |
| 21.84.74.53 | 357845557 | 0 |
| 21.84.74.54 | 357845558 | 0 |
| 21.84.74.55 | 357845559 | 0 |
| 21.84.74.56 | 357845560 | 0 |
| 21.84.74.57 | 357845561 | 0 |
| 21.84.74.58 | 357845562 | 0 |
| 21.84.74.59 | 357845563 | 0 |
| 21.84.74.60 | 357845564 | 0 |
| 21.84.74.61 | 357845565 | 0 |
| 21.84.74.62 | 357845566 | 0 |
| 21.84.74.63 | 357845567 | 0 |
| 21.84.74.64 | 357845568 | 0 |
| 21.84.74.65 | 357845569 | 0 |
| 21.84.74.66 | 357845570 | 0 |
| 21.84.74.67 | 357845571 | 0 |
| 21.84.74.68 | 357845572 | 0 |
| 21.84.74.69 | 357845573 | 0 |
| 21.84.74.70 | 357845574 | 0 |
| 21.84.74.71 | 357845575 | 0 |
| 21.84.74.72 | 357845576 | 0 |
| 21.84.74.73 | 357845577 | 0 |
| 21.84.74.74 | 357845578 | 0 |
| 21.84.74.75 | 357845579 | 0 |
| 21.84.74.76 | 357845580 | 0 |
| 21.84.74.77 | 357845581 | 0 |
| 21.84.74.78 | 357845582 | 0 |
| 21.84.74.79 | 357845583 | 0 |
| 21.84.74.80 | 357845584 | 0 |
| 21.84.74.81 | 357845585 | 0 |
| 21.84.74.82 | 357845586 | 0 |
| 21.84.74.83 | 357845587 | 0 |
| 21.84.74.84 | 357845588 | 0 |
| 21.84.74.85 | 357845589 | 0 |