L'indirizzo IP 21.85.87 è fornito da China Education and Research Network Center, che è di proprietà del CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, IP tra 22.30.204.0 a 22.30.205.255 ). Il numero di sistema autonomo (ASN) è 4538.
| ASN | 4538 |
| IP inizia con | 22.30.204.0 |
| IP finale con | 22.30.205.255 |
| ASN Nome | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numerico | |
| Registe | |
| Ultimo aggiornamento | 21/03/2018 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Columbus | 39,9664 | -83,0128 | 2018-03-21 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2018-03-21 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.85.87.0 | 357914368 | 0 |
| 21.85.87.1 | 357914369 | 0 |
| 21.85.87.2 | 357914370 | 0 |
| 21.85.87.3 | 357914371 | 0 |
| 21.85.87.4 | 357914372 | 0 |
| 21.85.87.5 | 357914373 | 0 |
| 21.85.87.6 | 357914374 | 0 |
| 21.85.87.7 | 357914375 | 0 |
| 21.85.87.8 | 357914376 | 0 |
| 21.85.87.9 | 357914377 | 0 |
| 21.85.87.10 | 357914378 | 0 |
| 21.85.87.11 | 357914379 | 0 |
| 21.85.87.12 | 357914380 | 0 |
| 21.85.87.13 | 357914381 | 0 |
| 21.85.87.14 | 357914382 | 0 |
| 21.85.87.15 | 357914383 | 0 |
| 21.85.87.16 | 357914384 | 0 |
| 21.85.87.17 | 357914385 | 0 |
| 21.85.87.18 | 357914386 | 0 |
| 21.85.87.19 | 357914387 | 0 |
| 21.85.87.20 | 357914388 | 0 |
| 21.85.87.21 | 357914389 | 0 |
| 21.85.87.22 | 357914390 | 0 |
| 21.85.87.23 | 357914391 | 0 |
| 21.85.87.24 | 357914392 | 0 |
| 21.85.87.25 | 357914393 | 0 |
| 21.85.87.26 | 357914394 | 0 |
| 21.85.87.27 | 357914395 | 0 |
| 21.85.87.28 | 357914396 | 0 |
| 21.85.87.29 | 357914397 | 0 |
| 21.85.87.30 | 357914398 | 0 |
| 21.85.87.31 | 357914399 | 0 |
| 21.85.87.32 | 357914400 | 0 |
| 21.85.87.33 | 357914401 | 0 |
| 21.85.87.34 | 357914402 | 0 |
| 21.85.87.35 | 357914403 | 0 |
| 21.85.87.36 | 357914404 | 0 |
| 21.85.87.37 | 357914405 | 0 |
| 21.85.87.38 | 357914406 | 0 |
| 21.85.87.39 | 357914407 | 0 |
| 21.85.87.40 | 357914408 | 0 |
| 21.85.87.41 | 357914409 | 0 |
| 21.85.87.42 | 357914410 | 0 |
| 21.85.87.43 | 357914411 | 0 |
| 21.85.87.44 | 357914412 | 0 |
| 21.85.87.45 | 357914413 | 0 |
| 21.85.87.46 | 357914414 | 0 |
| 21.85.87.47 | 357914415 | 0 |
| 21.85.87.48 | 357914416 | 0 |
| 21.85.87.49 | 357914417 | 0 |
| 21.85.87.50 | 357914418 | 0 |
| 21.85.87.51 | 357914419 | 0 |
| 21.85.87.52 | 357914420 | 0 |
| 21.85.87.53 | 357914421 | 0 |
| 21.85.87.54 | 357914422 | 0 |
| 21.85.87.55 | 357914423 | 0 |
| 21.85.87.56 | 357914424 | 0 |
| 21.85.87.57 | 357914425 | 0 |
| 21.85.87.58 | 357914426 | 0 |
| 21.85.87.59 | 357914427 | 0 |
| 21.85.87.60 | 357914428 | 0 |
| 21.85.87.61 | 357914429 | 0 |
| 21.85.87.62 | 357914430 | 0 |
| 21.85.87.63 | 357914431 | 0 |
| 21.85.87.64 | 357914432 | 0 |
| 21.85.87.65 | 357914433 | 0 |
| 21.85.87.66 | 357914434 | 0 |
| 21.85.87.67 | 357914435 | 0 |
| 21.85.87.68 | 357914436 | 0 |
| 21.85.87.69 | 357914437 | 0 |
| 21.85.87.70 | 357914438 | 0 |
| 21.85.87.71 | 357914439 | 0 |
| 21.85.87.72 | 357914440 | 0 |
| 21.85.87.73 | 357914441 | 0 |
| 21.85.87.74 | 357914442 | 0 |
| 21.85.87.75 | 357914443 | 0 |
| 21.85.87.76 | 357914444 | 0 |
| 21.85.87.77 | 357914445 | 0 |
| 21.85.87.78 | 357914446 | 0 |
| 21.85.87.79 | 357914447 | 0 |
| 21.85.87.80 | 357914448 | 0 |
| 21.85.87.81 | 357914449 | 0 |
| 21.85.87.82 | 357914450 | 0 |
| 21.85.87.83 | 357914451 | 0 |
| 21.85.87.84 | 357914452 | 0 |
| 21.85.87.85 | 357914453 | 0 |