La dirección IP 21.76.20 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 | 17/08/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2017-08-17 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-08-17 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.76.20.0 | 357307392 | 0 |
| 21.76.20.1 | 357307393 | 0 |
| 21.76.20.2 | 357307394 | 0 |
| 21.76.20.3 | 357307395 | 0 |
| 21.76.20.4 | 357307396 | 0 |
| 21.76.20.5 | 357307397 | 0 |
| 21.76.20.6 | 357307398 | 0 |
| 21.76.20.7 | 357307399 | 0 |
| 21.76.20.8 | 357307400 | 0 |
| 21.76.20.9 | 357307401 | 0 |
| 21.76.20.10 | 357307402 | 0 |
| 21.76.20.11 | 357307403 | 0 |
| 21.76.20.12 | 357307404 | 0 |
| 21.76.20.13 | 357307405 | 0 |
| 21.76.20.14 | 357307406 | 0 |
| 21.76.20.15 | 357307407 | 0 |
| 21.76.20.16 | 357307408 | 0 |
| 21.76.20.17 | 357307409 | 0 |
| 21.76.20.18 | 357307410 | 0 |
| 21.76.20.19 | 357307411 | 0 |
| 21.76.20.20 | 357307412 | 0 |
| 21.76.20.21 | 357307413 | 0 |
| 21.76.20.22 | 357307414 | 0 |
| 21.76.20.23 | 357307415 | 0 |
| 21.76.20.24 | 357307416 | 0 |
| 21.76.20.25 | 357307417 | 0 |
| 21.76.20.26 | 357307418 | 0 |
| 21.76.20.27 | 357307419 | 0 |
| 21.76.20.28 | 357307420 | 0 |
| 21.76.20.29 | 357307421 | 0 |
| 21.76.20.30 | 357307422 | 0 |
| 21.76.20.31 | 357307423 | 0 |
| 21.76.20.32 | 357307424 | 0 |
| 21.76.20.33 | 357307425 | 0 |
| 21.76.20.34 | 357307426 | 0 |
| 21.76.20.35 | 357307427 | 0 |
| 21.76.20.36 | 357307428 | 0 |
| 21.76.20.37 | 357307429 | 0 |
| 21.76.20.38 | 357307430 | 0 |
| 21.76.20.39 | 357307431 | 0 |
| 21.76.20.40 | 357307432 | 0 |
| 21.76.20.41 | 357307433 | 0 |
| 21.76.20.42 | 357307434 | 0 |
| 21.76.20.43 | 357307435 | 0 |
| 21.76.20.44 | 357307436 | 0 |
| 21.76.20.45 | 357307437 | 0 |
| 21.76.20.46 | 357307438 | 0 |
| 21.76.20.47 | 357307439 | 0 |
| 21.76.20.48 | 357307440 | 0 |
| 21.76.20.49 | 357307441 | 0 |
| 21.76.20.50 | 357307442 | 0 |
| 21.76.20.51 | 357307443 | 0 |
| 21.76.20.52 | 357307444 | 0 |
| 21.76.20.53 | 357307445 | 0 |
| 21.76.20.54 | 357307446 | 0 |
| 21.76.20.55 | 357307447 | 0 |
| 21.76.20.56 | 357307448 | 0 |
| 21.76.20.57 | 357307449 | 0 |
| 21.76.20.58 | 357307450 | 0 |
| 21.76.20.59 | 357307451 | 0 |
| 21.76.20.60 | 357307452 | 0 |
| 21.76.20.61 | 357307453 | 0 |
| 21.76.20.62 | 357307454 | 0 |
| 21.76.20.63 | 357307455 | 0 |
| 21.76.20.64 | 357307456 | 0 |
| 21.76.20.65 | 357307457 | 0 |
| 21.76.20.66 | 357307458 | 0 |
| 21.76.20.67 | 357307459 | 0 |
| 21.76.20.68 | 357307460 | 0 |
| 21.76.20.69 | 357307461 | 0 |
| 21.76.20.70 | 357307462 | 0 |
| 21.76.20.71 | 357307463 | 0 |
| 21.76.20.72 | 357307464 | 0 |
| 21.76.20.73 | 357307465 | 0 |
| 21.76.20.74 | 357307466 | 0 |
| 21.76.20.75 | 357307467 | 0 |
| 21.76.20.76 | 357307468 | 0 |
| 21.76.20.77 | 357307469 | 0 |
| 21.76.20.78 | 357307470 | 0 |
| 21.76.20.79 | 357307471 | 0 |
| 21.76.20.80 | 357307472 | 0 |
| 21.76.20.81 | 357307473 | 0 |
| 21.76.20.82 | 357307474 | 0 |
| 21.76.20.83 | 357307475 | 0 |
| 21.76.20.84 | 357307476 | 0 |
| 21.76.20.85 | 357307477 | 0 |