La dirección IP 21.91.47 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 | 16/02/2018 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2018-02-16 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2018-02-16 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.91.47.0 | 358297344 | 0 |
| 21.91.47.1 | 358297345 | 0 |
| 21.91.47.2 | 358297346 | 0 |
| 21.91.47.3 | 358297347 | 0 |
| 21.91.47.4 | 358297348 | 0 |
| 21.91.47.5 | 358297349 | 0 |
| 21.91.47.6 | 358297350 | 0 |
| 21.91.47.7 | 358297351 | 0 |
| 21.91.47.8 | 358297352 | 0 |
| 21.91.47.9 | 358297353 | 0 |
| 21.91.47.10 | 358297354 | 0 |
| 21.91.47.11 | 358297355 | 0 |
| 21.91.47.12 | 358297356 | 0 |
| 21.91.47.13 | 358297357 | 0 |
| 21.91.47.14 | 358297358 | 0 |
| 21.91.47.15 | 358297359 | 0 |
| 21.91.47.16 | 358297360 | 0 |
| 21.91.47.17 | 358297361 | 0 |
| 21.91.47.18 | 358297362 | 0 |
| 21.91.47.19 | 358297363 | 0 |
| 21.91.47.20 | 358297364 | 0 |
| 21.91.47.21 | 358297365 | 0 |
| 21.91.47.22 | 358297366 | 0 |
| 21.91.47.23 | 358297367 | 0 |
| 21.91.47.24 | 358297368 | 0 |
| 21.91.47.25 | 358297369 | 0 |
| 21.91.47.26 | 358297370 | 0 |
| 21.91.47.27 | 358297371 | 0 |
| 21.91.47.28 | 358297372 | 0 |
| 21.91.47.29 | 358297373 | 0 |
| 21.91.47.30 | 358297374 | 0 |
| 21.91.47.31 | 358297375 | 0 |
| 21.91.47.32 | 358297376 | 0 |
| 21.91.47.33 | 358297377 | 0 |
| 21.91.47.34 | 358297378 | 0 |
| 21.91.47.35 | 358297379 | 0 |
| 21.91.47.36 | 358297380 | 0 |
| 21.91.47.37 | 358297381 | 0 |
| 21.91.47.38 | 358297382 | 0 |
| 21.91.47.39 | 358297383 | 0 |
| 21.91.47.40 | 358297384 | 0 |
| 21.91.47.41 | 358297385 | 0 |
| 21.91.47.42 | 358297386 | 0 |
| 21.91.47.43 | 358297387 | 0 |
| 21.91.47.44 | 358297388 | 0 |
| 21.91.47.45 | 358297389 | 0 |
| 21.91.47.46 | 358297390 | 0 |
| 21.91.47.47 | 358297391 | 0 |
| 21.91.47.48 | 358297392 | 0 |
| 21.91.47.49 | 358297393 | 0 |
| 21.91.47.50 | 358297394 | 0 |
| 21.91.47.51 | 358297395 | 0 |
| 21.91.47.52 | 358297396 | 0 |
| 21.91.47.53 | 358297397 | 0 |
| 21.91.47.54 | 358297398 | 0 |
| 21.91.47.55 | 358297399 | 0 |
| 21.91.47.56 | 358297400 | 0 |
| 21.91.47.57 | 358297401 | 0 |
| 21.91.47.58 | 358297402 | 0 |
| 21.91.47.59 | 358297403 | 0 |
| 21.91.47.60 | 358297404 | 0 |
| 21.91.47.61 | 358297405 | 0 |
| 21.91.47.62 | 358297406 | 0 |
| 21.91.47.63 | 358297407 | 0 |
| 21.91.47.64 | 358297408 | 0 |
| 21.91.47.65 | 358297409 | 0 |
| 21.91.47.66 | 358297410 | 0 |
| 21.91.47.67 | 358297411 | 0 |
| 21.91.47.68 | 358297412 | 0 |
| 21.91.47.69 | 358297413 | 0 |
| 21.91.47.70 | 358297414 | 0 |
| 21.91.47.71 | 358297415 | 0 |
| 21.91.47.72 | 358297416 | 0 |
| 21.91.47.73 | 358297417 | 0 |
| 21.91.47.74 | 358297418 | 0 |
| 21.91.47.75 | 358297419 | 0 |
| 21.91.47.76 | 358297420 | 0 |
| 21.91.47.77 | 358297421 | 0 |
| 21.91.47.78 | 358297422 | 0 |
| 21.91.47.79 | 358297423 | 0 |
| 21.91.47.80 | 358297424 | 0 |
| 21.91.47.81 | 358297425 | 0 |
| 21.91.47.82 | 358297426 | 0 |
| 21.91.47.83 | 358297427 | 0 |
| 21.91.47.84 | 358297428 | 0 |
| 21.91.47.85 | 358297429 | 0 |