La dirección IP 21.84.42 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 | 27/10/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2017-10-27 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-10-27 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.84.42.0 | 357837312 | 0 |
| 21.84.42.1 | 357837313 | 0 |
| 21.84.42.2 | 357837314 | 0 |
| 21.84.42.3 | 357837315 | 0 |
| 21.84.42.4 | 357837316 | 0 |
| 21.84.42.5 | 357837317 | 0 |
| 21.84.42.6 | 357837318 | 0 |
| 21.84.42.7 | 357837319 | 0 |
| 21.84.42.8 | 357837320 | 0 |
| 21.84.42.9 | 357837321 | 0 |
| 21.84.42.10 | 357837322 | 0 |
| 21.84.42.11 | 357837323 | 0 |
| 21.84.42.12 | 357837324 | 0 |
| 21.84.42.13 | 357837325 | 0 |
| 21.84.42.14 | 357837326 | 0 |
| 21.84.42.15 | 357837327 | 0 |
| 21.84.42.16 | 357837328 | 0 |
| 21.84.42.17 | 357837329 | 0 |
| 21.84.42.18 | 357837330 | 0 |
| 21.84.42.19 | 357837331 | 0 |
| 21.84.42.20 | 357837332 | 0 |
| 21.84.42.21 | 357837333 | 0 |
| 21.84.42.22 | 357837334 | 0 |
| 21.84.42.23 | 357837335 | 0 |
| 21.84.42.24 | 357837336 | 0 |
| 21.84.42.25 | 357837337 | 0 |
| 21.84.42.26 | 357837338 | 0 |
| 21.84.42.27 | 357837339 | 0 |
| 21.84.42.28 | 357837340 | 0 |
| 21.84.42.29 | 357837341 | 0 |
| 21.84.42.30 | 357837342 | 0 |
| 21.84.42.31 | 357837343 | 0 |
| 21.84.42.32 | 357837344 | 0 |
| 21.84.42.33 | 357837345 | 0 |
| 21.84.42.34 | 357837346 | 0 |
| 21.84.42.35 | 357837347 | 0 |
| 21.84.42.36 | 357837348 | 0 |
| 21.84.42.37 | 357837349 | 0 |
| 21.84.42.38 | 357837350 | 0 |
| 21.84.42.39 | 357837351 | 0 |
| 21.84.42.40 | 357837352 | 0 |
| 21.84.42.41 | 357837353 | 0 |
| 21.84.42.42 | 357837354 | 0 |
| 21.84.42.43 | 357837355 | 0 |
| 21.84.42.44 | 357837356 | 0 |
| 21.84.42.45 | 357837357 | 0 |
| 21.84.42.46 | 357837358 | 0 |
| 21.84.42.47 | 357837359 | 0 |
| 21.84.42.48 | 357837360 | 0 |
| 21.84.42.49 | 357837361 | 0 |
| 21.84.42.50 | 357837362 | 0 |
| 21.84.42.51 | 357837363 | 0 |
| 21.84.42.52 | 357837364 | 0 |
| 21.84.42.53 | 357837365 | 0 |
| 21.84.42.54 | 357837366 | 0 |
| 21.84.42.55 | 357837367 | 0 |
| 21.84.42.56 | 357837368 | 0 |
| 21.84.42.57 | 357837369 | 0 |
| 21.84.42.58 | 357837370 | 0 |
| 21.84.42.59 | 357837371 | 0 |
| 21.84.42.60 | 357837372 | 0 |
| 21.84.42.61 | 357837373 | 0 |
| 21.84.42.62 | 357837374 | 0 |
| 21.84.42.63 | 357837375 | 0 |
| 21.84.42.64 | 357837376 | 0 |
| 21.84.42.65 | 357837377 | 0 |
| 21.84.42.66 | 357837378 | 0 |
| 21.84.42.67 | 357837379 | 0 |
| 21.84.42.68 | 357837380 | 0 |
| 21.84.42.69 | 357837381 | 0 |
| 21.84.42.70 | 357837382 | 0 |
| 21.84.42.71 | 357837383 | 0 |
| 21.84.42.72 | 357837384 | 0 |
| 21.84.42.73 | 357837385 | 0 |
| 21.84.42.74 | 357837386 | 0 |
| 21.84.42.75 | 357837387 | 0 |
| 21.84.42.76 | 357837388 | 0 |
| 21.84.42.77 | 357837389 | 0 |
| 21.84.42.78 | 357837390 | 0 |
| 21.84.42.79 | 357837391 | 0 |
| 21.84.42.80 | 357837392 | 0 |
| 21.84.42.81 | 357837393 | 0 |
| 21.84.42.82 | 357837394 | 0 |
| 21.84.42.83 | 357837395 | 0 |
| 21.84.42.84 | 357837396 | 0 |
| 21.84.42.85 | 357837397 | 0 |