Die IP-Adresse 21.99.97 erfolgt über China Education and Research Network Center, es hat gehören zu den GGDV (Classless Inter-Domain Routing) 22.30.204.0/23 (Bereich 22.30.204.0, 22.30.205.255). Die autonomen Systemnummer (ASN) ist 4538.
| ASN | 4538 |
| Ausgehend von IP | 22.30.204.0 |
| Beendigung durch IP | 22.30.205.255 |
| ASN-Namen | China Education and Research Network Center |
| GGDV | 22.30.204.0/23 |
| Numerische IP | |
| Registrierung | |
| Letztes update | 24.10.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | US | USA | - | Columbus | 39,9664 | -83,0128 | 2017-10-23 |
| MaxMind | US | USA | - | - | 37,751 | -97,822 | 2017-10-23 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.99.97.0 | 358834432 | 0 |
| 21.99.97.1 | 358834433 | 0 |
| 21.99.97.2 | 358834434 | 0 |
| 21.99.97.3 | 358834435 | 0 |
| 21.99.97.4 | 358834436 | 0 |
| 21.99.97.5 | 358834437 | 0 |
| 21.99.97.6 | 358834438 | 0 |
| 21.99.97.7 | 358834439 | 0 |
| 21.99.97.8 | 358834440 | 0 |
| 21.99.97.9 | 358834441 | 0 |
| 21.99.97.10 | 358834442 | 0 |
| 21.99.97.11 | 358834443 | 0 |
| 21.99.97.12 | 358834444 | 0 |
| 21.99.97.13 | 358834445 | 0 |
| 21.99.97.14 | 358834446 | 0 |
| 21.99.97.15 | 358834447 | 0 |
| 21.99.97.16 | 358834448 | 0 |
| 21.99.97.17 | 358834449 | 0 |
| 21.99.97.18 | 358834450 | 0 |
| 21.99.97.19 | 358834451 | 0 |
| 21.99.97.20 | 358834452 | 0 |
| 21.99.97.21 | 358834453 | 0 |
| 21.99.97.22 | 358834454 | 0 |
| 21.99.97.23 | 358834455 | 0 |
| 21.99.97.24 | 358834456 | 0 |
| 21.99.97.25 | 358834457 | 0 |
| 21.99.97.26 | 358834458 | 0 |
| 21.99.97.27 | 358834459 | 0 |
| 21.99.97.28 | 358834460 | 0 |
| 21.99.97.29 | 358834461 | 0 |
| 21.99.97.30 | 358834462 | 0 |
| 21.99.97.31 | 358834463 | 0 |
| 21.99.97.32 | 358834464 | 0 |
| 21.99.97.33 | 358834465 | 0 |
| 21.99.97.34 | 358834466 | 0 |
| 21.99.97.35 | 358834467 | 0 |
| 21.99.97.36 | 358834468 | 0 |
| 21.99.97.37 | 358834469 | 0 |
| 21.99.97.38 | 358834470 | 0 |
| 21.99.97.39 | 358834471 | 0 |
| 21.99.97.40 | 358834472 | 0 |
| 21.99.97.41 | 358834473 | 0 |
| 21.99.97.42 | 358834474 | 0 |
| 21.99.97.43 | 358834475 | 0 |
| 21.99.97.44 | 358834476 | 0 |
| 21.99.97.45 | 358834477 | 0 |
| 21.99.97.46 | 358834478 | 0 |
| 21.99.97.47 | 358834479 | 0 |
| 21.99.97.48 | 358834480 | 0 |
| 21.99.97.49 | 358834481 | 0 |
| 21.99.97.50 | 358834482 | 0 |
| 21.99.97.51 | 358834483 | 0 |
| 21.99.97.52 | 358834484 | 0 |
| 21.99.97.53 | 358834485 | 0 |
| 21.99.97.54 | 358834486 | 0 |
| 21.99.97.55 | 358834487 | 0 |
| 21.99.97.56 | 358834488 | 0 |
| 21.99.97.57 | 358834489 | 0 |
| 21.99.97.58 | 358834490 | 0 |
| 21.99.97.59 | 358834491 | 0 |
| 21.99.97.60 | 358834492 | 0 |
| 21.99.97.61 | 358834493 | 0 |
| 21.99.97.62 | 358834494 | 0 |
| 21.99.97.63 | 358834495 | 0 |
| 21.99.97.64 | 358834496 | 0 |
| 21.99.97.65 | 358834497 | 0 |
| 21.99.97.66 | 358834498 | 0 |
| 21.99.97.67 | 358834499 | 0 |
| 21.99.97.68 | 358834500 | 0 |
| 21.99.97.69 | 358834501 | 0 |
| 21.99.97.70 | 358834502 | 0 |
| 21.99.97.71 | 358834503 | 0 |
| 21.99.97.72 | 358834504 | 0 |
| 21.99.97.73 | 358834505 | 0 |
| 21.99.97.74 | 358834506 | 0 |
| 21.99.97.75 | 358834507 | 0 |
| 21.99.97.76 | 358834508 | 0 |
| 21.99.97.77 | 358834509 | 0 |
| 21.99.97.78 | 358834510 | 0 |
| 21.99.97.79 | 358834511 | 0 |
| 21.99.97.80 | 358834512 | 0 |
| 21.99.97.81 | 358834513 | 0 |
| 21.99.97.82 | 358834514 | 0 |
| 21.99.97.83 | 358834515 | 0 |
| 21.99.97.84 | 358834516 | 0 |
| 21.99.97.85 | 358834517 | 0 |