L'indirizzo IP 21.98.87 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 | 20/10/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Columbus | 39,9664 | -83,0128 | 2017-10-20 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2017-10-20 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.98.87.0 | 358766336 | 0 |
| 21.98.87.1 | 358766337 | 0 |
| 21.98.87.2 | 358766338 | 0 |
| 21.98.87.3 | 358766339 | 0 |
| 21.98.87.4 | 358766340 | 0 |
| 21.98.87.5 | 358766341 | 0 |
| 21.98.87.6 | 358766342 | 0 |
| 21.98.87.7 | 358766343 | 0 |
| 21.98.87.8 | 358766344 | 0 |
| 21.98.87.9 | 358766345 | 0 |
| 21.98.87.10 | 358766346 | 0 |
| 21.98.87.11 | 358766347 | 0 |
| 21.98.87.12 | 358766348 | 0 |
| 21.98.87.13 | 358766349 | 0 |
| 21.98.87.14 | 358766350 | 0 |
| 21.98.87.15 | 358766351 | 0 |
| 21.98.87.16 | 358766352 | 0 |
| 21.98.87.17 | 358766353 | 0 |
| 21.98.87.18 | 358766354 | 0 |
| 21.98.87.19 | 358766355 | 0 |
| 21.98.87.20 | 358766356 | 0 |
| 21.98.87.21 | 358766357 | 0 |
| 21.98.87.22 | 358766358 | 0 |
| 21.98.87.23 | 358766359 | 0 |
| 21.98.87.24 | 358766360 | 0 |
| 21.98.87.25 | 358766361 | 0 |
| 21.98.87.26 | 358766362 | 0 |
| 21.98.87.27 | 358766363 | 0 |
| 21.98.87.28 | 358766364 | 0 |
| 21.98.87.29 | 358766365 | 0 |
| 21.98.87.30 | 358766366 | 0 |
| 21.98.87.31 | 358766367 | 0 |
| 21.98.87.32 | 358766368 | 0 |
| 21.98.87.33 | 358766369 | 0 |
| 21.98.87.34 | 358766370 | 0 |
| 21.98.87.35 | 358766371 | 0 |
| 21.98.87.36 | 358766372 | 0 |
| 21.98.87.37 | 358766373 | 0 |
| 21.98.87.38 | 358766374 | 0 |
| 21.98.87.39 | 358766375 | 0 |
| 21.98.87.40 | 358766376 | 0 |
| 21.98.87.41 | 358766377 | 0 |
| 21.98.87.42 | 358766378 | 0 |
| 21.98.87.43 | 358766379 | 0 |
| 21.98.87.44 | 358766380 | 0 |
| 21.98.87.45 | 358766381 | 0 |
| 21.98.87.46 | 358766382 | 0 |
| 21.98.87.47 | 358766383 | 0 |
| 21.98.87.48 | 358766384 | 0 |
| 21.98.87.49 | 358766385 | 0 |
| 21.98.87.50 | 358766386 | 0 |
| 21.98.87.51 | 358766387 | 0 |
| 21.98.87.52 | 358766388 | 0 |
| 21.98.87.53 | 358766389 | 0 |
| 21.98.87.54 | 358766390 | 0 |
| 21.98.87.55 | 358766391 | 0 |
| 21.98.87.56 | 358766392 | 0 |
| 21.98.87.57 | 358766393 | 0 |
| 21.98.87.58 | 358766394 | 0 |
| 21.98.87.59 | 358766395 | 0 |
| 21.98.87.60 | 358766396 | 0 |
| 21.98.87.61 | 358766397 | 0 |
| 21.98.87.62 | 358766398 | 0 |
| 21.98.87.63 | 358766399 | 0 |
| 21.98.87.64 | 358766400 | 0 |
| 21.98.87.65 | 358766401 | 0 |
| 21.98.87.66 | 358766402 | 0 |
| 21.98.87.67 | 358766403 | 0 |
| 21.98.87.68 | 358766404 | 0 |
| 21.98.87.69 | 358766405 | 0 |
| 21.98.87.70 | 358766406 | 0 |
| 21.98.87.71 | 358766407 | 0 |
| 21.98.87.72 | 358766408 | 0 |
| 21.98.87.73 | 358766409 | 0 |
| 21.98.87.74 | 358766410 | 0 |
| 21.98.87.75 | 358766411 | 0 |
| 21.98.87.76 | 358766412 | 0 |
| 21.98.87.77 | 358766413 | 0 |
| 21.98.87.78 | 358766414 | 0 |
| 21.98.87.79 | 358766415 | 0 |
| 21.98.87.80 | 358766416 | 0 |
| 21.98.87.81 | 358766417 | 0 |
| 21.98.87.82 | 358766418 | 0 |
| 21.98.87.83 | 358766419 | 0 |
| 21.98.87.84 | 358766420 | 0 |
| 21.98.87.85 | 358766421 | 0 |