La dirección IP 21.97.19 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 | 23/10/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2017-10-23 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-10-23 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.97.19.0 | 358683392 | 0 |
| 21.97.19.1 | 358683393 | 0 |
| 21.97.19.2 | 358683394 | 0 |
| 21.97.19.3 | 358683395 | 0 |
| 21.97.19.4 | 358683396 | 0 |
| 21.97.19.5 | 358683397 | 0 |
| 21.97.19.6 | 358683398 | 0 |
| 21.97.19.7 | 358683399 | 0 |
| 21.97.19.8 | 358683400 | 0 |
| 21.97.19.9 | 358683401 | 0 |
| 21.97.19.10 | 358683402 | 0 |
| 21.97.19.11 | 358683403 | 0 |
| 21.97.19.12 | 358683404 | 0 |
| 21.97.19.13 | 358683405 | 0 |
| 21.97.19.14 | 358683406 | 0 |
| 21.97.19.15 | 358683407 | 0 |
| 21.97.19.16 | 358683408 | 0 |
| 21.97.19.17 | 358683409 | 0 |
| 21.97.19.18 | 358683410 | 0 |
| 21.97.19.19 | 358683411 | 0 |
| 21.97.19.20 | 358683412 | 0 |
| 21.97.19.21 | 358683413 | 0 |
| 21.97.19.22 | 358683414 | 0 |
| 21.97.19.23 | 358683415 | 0 |
| 21.97.19.24 | 358683416 | 0 |
| 21.97.19.25 | 358683417 | 0 |
| 21.97.19.26 | 358683418 | 0 |
| 21.97.19.27 | 358683419 | 0 |
| 21.97.19.28 | 358683420 | 0 |
| 21.97.19.29 | 358683421 | 0 |
| 21.97.19.30 | 358683422 | 0 |
| 21.97.19.31 | 358683423 | 0 |
| 21.97.19.32 | 358683424 | 0 |
| 21.97.19.33 | 358683425 | 0 |
| 21.97.19.34 | 358683426 | 0 |
| 21.97.19.35 | 358683427 | 0 |
| 21.97.19.36 | 358683428 | 0 |
| 21.97.19.37 | 358683429 | 0 |
| 21.97.19.38 | 358683430 | 0 |
| 21.97.19.39 | 358683431 | 0 |
| 21.97.19.40 | 358683432 | 0 |
| 21.97.19.41 | 358683433 | 0 |
| 21.97.19.42 | 358683434 | 0 |
| 21.97.19.43 | 358683435 | 0 |
| 21.97.19.44 | 358683436 | 0 |
| 21.97.19.45 | 358683437 | 0 |
| 21.97.19.46 | 358683438 | 0 |
| 21.97.19.47 | 358683439 | 0 |
| 21.97.19.48 | 358683440 | 0 |
| 21.97.19.49 | 358683441 | 0 |
| 21.97.19.50 | 358683442 | 0 |
| 21.97.19.51 | 358683443 | 0 |
| 21.97.19.52 | 358683444 | 0 |
| 21.97.19.53 | 358683445 | 0 |
| 21.97.19.54 | 358683446 | 0 |
| 21.97.19.55 | 358683447 | 0 |
| 21.97.19.56 | 358683448 | 0 |
| 21.97.19.57 | 358683449 | 0 |
| 21.97.19.58 | 358683450 | 0 |
| 21.97.19.59 | 358683451 | 0 |
| 21.97.19.60 | 358683452 | 0 |
| 21.97.19.61 | 358683453 | 0 |
| 21.97.19.62 | 358683454 | 0 |
| 21.97.19.63 | 358683455 | 0 |
| 21.97.19.64 | 358683456 | 0 |
| 21.97.19.65 | 358683457 | 0 |
| 21.97.19.66 | 358683458 | 0 |
| 21.97.19.67 | 358683459 | 0 |
| 21.97.19.68 | 358683460 | 0 |
| 21.97.19.69 | 358683461 | 0 |
| 21.97.19.70 | 358683462 | 0 |
| 21.97.19.71 | 358683463 | 0 |
| 21.97.19.72 | 358683464 | 0 |
| 21.97.19.73 | 358683465 | 0 |
| 21.97.19.74 | 358683466 | 0 |
| 21.97.19.75 | 358683467 | 0 |
| 21.97.19.76 | 358683468 | 0 |
| 21.97.19.77 | 358683469 | 0 |
| 21.97.19.78 | 358683470 | 0 |
| 21.97.19.79 | 358683471 | 0 |
| 21.97.19.80 | 358683472 | 0 |
| 21.97.19.81 | 358683473 | 0 |
| 21.97.19.82 | 358683474 | 0 |
| 21.97.19.83 | 358683475 | 0 |
| 21.97.19.84 | 358683476 | 0 |
| 21.97.19.85 | 358683477 | 0 |