La dirección IP 21.88.19 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 | 08/08/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2017-08-07 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-08-07 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.88.19.0 | 358093568 | 0 |
| 21.88.19.1 | 358093569 | 0 |
| 21.88.19.2 | 358093570 | 0 |
| 21.88.19.3 | 358093571 | 0 |
| 21.88.19.4 | 358093572 | 0 |
| 21.88.19.5 | 358093573 | 0 |
| 21.88.19.6 | 358093574 | 0 |
| 21.88.19.7 | 358093575 | 0 |
| 21.88.19.8 | 358093576 | 0 |
| 21.88.19.9 | 358093577 | 0 |
| 21.88.19.10 | 358093578 | 0 |
| 21.88.19.11 | 358093579 | 0 |
| 21.88.19.12 | 358093580 | 0 |
| 21.88.19.13 | 358093581 | 0 |
| 21.88.19.14 | 358093582 | 0 |
| 21.88.19.15 | 358093583 | 0 |
| 21.88.19.16 | 358093584 | 0 |
| 21.88.19.17 | 358093585 | 0 |
| 21.88.19.18 | 358093586 | 0 |
| 21.88.19.19 | 358093587 | 0 |
| 21.88.19.20 | 358093588 | 0 |
| 21.88.19.21 | 358093589 | 0 |
| 21.88.19.22 | 358093590 | 0 |
| 21.88.19.23 | 358093591 | 0 |
| 21.88.19.24 | 358093592 | 0 |
| 21.88.19.25 | 358093593 | 0 |
| 21.88.19.26 | 358093594 | 0 |
| 21.88.19.27 | 358093595 | 0 |
| 21.88.19.28 | 358093596 | 0 |
| 21.88.19.29 | 358093597 | 0 |
| 21.88.19.30 | 358093598 | 0 |
| 21.88.19.31 | 358093599 | 0 |
| 21.88.19.32 | 358093600 | 0 |
| 21.88.19.33 | 358093601 | 0 |
| 21.88.19.34 | 358093602 | 0 |
| 21.88.19.35 | 358093603 | 0 |
| 21.88.19.36 | 358093604 | 0 |
| 21.88.19.37 | 358093605 | 0 |
| 21.88.19.38 | 358093606 | 0 |
| 21.88.19.39 | 358093607 | 0 |
| 21.88.19.40 | 358093608 | 0 |
| 21.88.19.41 | 358093609 | 0 |
| 21.88.19.42 | 358093610 | 0 |
| 21.88.19.43 | 358093611 | 0 |
| 21.88.19.44 | 358093612 | 0 |
| 21.88.19.45 | 358093613 | 0 |
| 21.88.19.46 | 358093614 | 0 |
| 21.88.19.47 | 358093615 | 0 |
| 21.88.19.48 | 358093616 | 0 |
| 21.88.19.49 | 358093617 | 0 |
| 21.88.19.50 | 358093618 | 0 |
| 21.88.19.51 | 358093619 | 0 |
| 21.88.19.52 | 358093620 | 0 |
| 21.88.19.53 | 358093621 | 0 |
| 21.88.19.54 | 358093622 | 0 |
| 21.88.19.55 | 358093623 | 0 |
| 21.88.19.56 | 358093624 | 0 |
| 21.88.19.57 | 358093625 | 0 |
| 21.88.19.58 | 358093626 | 0 |
| 21.88.19.59 | 358093627 | 0 |
| 21.88.19.60 | 358093628 | 0 |
| 21.88.19.61 | 358093629 | 0 |
| 21.88.19.62 | 358093630 | 0 |
| 21.88.19.63 | 358093631 | 0 |
| 21.88.19.64 | 358093632 | 0 |
| 21.88.19.65 | 358093633 | 0 |
| 21.88.19.66 | 358093634 | 0 |
| 21.88.19.67 | 358093635 | 0 |
| 21.88.19.68 | 358093636 | 0 |
| 21.88.19.69 | 358093637 | 0 |
| 21.88.19.70 | 358093638 | 0 |
| 21.88.19.71 | 358093639 | 0 |
| 21.88.19.72 | 358093640 | 0 |
| 21.88.19.73 | 358093641 | 0 |
| 21.88.19.74 | 358093642 | 0 |
| 21.88.19.75 | 358093643 | 0 |
| 21.88.19.76 | 358093644 | 0 |
| 21.88.19.77 | 358093645 | 0 |
| 21.88.19.78 | 358093646 | 0 |
| 21.88.19.79 | 358093647 | 0 |
| 21.88.19.80 | 358093648 | 0 |
| 21.88.19.81 | 358093649 | 0 |
| 21.88.19.82 | 358093650 | 0 |
| 21.88.19.83 | 358093651 | 0 |
| 21.88.19.84 | 358093652 | 0 |
| 21.88.19.85 | 358093653 | 0 |