Die IP-Adresse 21.97.78 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 | 24.09.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | US | USA | - | Columbus | 39,9664 | -83,0128 | 2017-09-23 |
| MaxMind | US | USA | - | - | 37,751 | -97,822 | 2017-09-23 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.97.78.0 | 358698496 | 0 |
| 21.97.78.1 | 358698497 | 0 |
| 21.97.78.2 | 358698498 | 0 |
| 21.97.78.3 | 358698499 | 0 |
| 21.97.78.4 | 358698500 | 0 |
| 21.97.78.5 | 358698501 | 0 |
| 21.97.78.6 | 358698502 | 0 |
| 21.97.78.7 | 358698503 | 0 |
| 21.97.78.8 | 358698504 | 0 |
| 21.97.78.9 | 358698505 | 0 |
| 21.97.78.10 | 358698506 | 0 |
| 21.97.78.11 | 358698507 | 0 |
| 21.97.78.12 | 358698508 | 0 |
| 21.97.78.13 | 358698509 | 0 |
| 21.97.78.14 | 358698510 | 0 |
| 21.97.78.15 | 358698511 | 0 |
| 21.97.78.16 | 358698512 | 0 |
| 21.97.78.17 | 358698513 | 0 |
| 21.97.78.18 | 358698514 | 0 |
| 21.97.78.19 | 358698515 | 0 |
| 21.97.78.20 | 358698516 | 0 |
| 21.97.78.21 | 358698517 | 0 |
| 21.97.78.22 | 358698518 | 0 |
| 21.97.78.23 | 358698519 | 0 |
| 21.97.78.24 | 358698520 | 0 |
| 21.97.78.25 | 358698521 | 0 |
| 21.97.78.26 | 358698522 | 0 |
| 21.97.78.27 | 358698523 | 0 |
| 21.97.78.28 | 358698524 | 0 |
| 21.97.78.29 | 358698525 | 0 |
| 21.97.78.30 | 358698526 | 0 |
| 21.97.78.31 | 358698527 | 0 |
| 21.97.78.32 | 358698528 | 0 |
| 21.97.78.33 | 358698529 | 0 |
| 21.97.78.34 | 358698530 | 0 |
| 21.97.78.35 | 358698531 | 0 |
| 21.97.78.36 | 358698532 | 0 |
| 21.97.78.37 | 358698533 | 0 |
| 21.97.78.38 | 358698534 | 0 |
| 21.97.78.39 | 358698535 | 0 |
| 21.97.78.40 | 358698536 | 0 |
| 21.97.78.41 | 358698537 | 0 |
| 21.97.78.42 | 358698538 | 0 |
| 21.97.78.43 | 358698539 | 0 |
| 21.97.78.44 | 358698540 | 0 |
| 21.97.78.45 | 358698541 | 0 |
| 21.97.78.46 | 358698542 | 0 |
| 21.97.78.47 | 358698543 | 0 |
| 21.97.78.48 | 358698544 | 0 |
| 21.97.78.49 | 358698545 | 0 |
| 21.97.78.50 | 358698546 | 0 |
| 21.97.78.51 | 358698547 | 0 |
| 21.97.78.52 | 358698548 | 0 |
| 21.97.78.53 | 358698549 | 0 |
| 21.97.78.54 | 358698550 | 0 |
| 21.97.78.55 | 358698551 | 0 |
| 21.97.78.56 | 358698552 | 0 |
| 21.97.78.57 | 358698553 | 0 |
| 21.97.78.58 | 358698554 | 0 |
| 21.97.78.59 | 358698555 | 0 |
| 21.97.78.60 | 358698556 | 0 |
| 21.97.78.61 | 358698557 | 0 |
| 21.97.78.62 | 358698558 | 0 |
| 21.97.78.63 | 358698559 | 0 |
| 21.97.78.64 | 358698560 | 0 |
| 21.97.78.65 | 358698561 | 0 |
| 21.97.78.66 | 358698562 | 0 |
| 21.97.78.67 | 358698563 | 0 |
| 21.97.78.68 | 358698564 | 0 |
| 21.97.78.69 | 358698565 | 0 |
| 21.97.78.70 | 358698566 | 0 |
| 21.97.78.71 | 358698567 | 0 |
| 21.97.78.72 | 358698568 | 0 |
| 21.97.78.73 | 358698569 | 0 |
| 21.97.78.74 | 358698570 | 0 |
| 21.97.78.75 | 358698571 | 0 |
| 21.97.78.76 | 358698572 | 0 |
| 21.97.78.77 | 358698573 | 0 |
| 21.97.78.78 | 358698574 | 0 |
| 21.97.78.79 | 358698575 | 0 |
| 21.97.78.80 | 358698576 | 0 |
| 21.97.78.81 | 358698577 | 0 |
| 21.97.78.82 | 358698578 | 0 |
| 21.97.78.83 | 358698579 | 0 |
| 21.97.78.84 | 358698580 | 0 |
| 21.97.78.85 | 358698581 | 0 |