Die IP-Adresse 21.90.89 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 | 26.09.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | US | USA | - | Columbus | 39,9664 | -83,0128 | 2017-09-26 |
| MaxMind | US | USA | - | - | 37,751 | -97,822 | 2017-09-26 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.90.89.0 | 358242560 | 0 |
| 21.90.89.1 | 358242561 | 0 |
| 21.90.89.2 | 358242562 | 0 |
| 21.90.89.3 | 358242563 | 0 |
| 21.90.89.4 | 358242564 | 0 |
| 21.90.89.5 | 358242565 | 0 |
| 21.90.89.6 | 358242566 | 0 |
| 21.90.89.7 | 358242567 | 0 |
| 21.90.89.8 | 358242568 | 0 |
| 21.90.89.9 | 358242569 | 0 |
| 21.90.89.10 | 358242570 | 0 |
| 21.90.89.11 | 358242571 | 0 |
| 21.90.89.12 | 358242572 | 0 |
| 21.90.89.13 | 358242573 | 0 |
| 21.90.89.14 | 358242574 | 0 |
| 21.90.89.15 | 358242575 | 0 |
| 21.90.89.16 | 358242576 | 0 |
| 21.90.89.17 | 358242577 | 0 |
| 21.90.89.18 | 358242578 | 0 |
| 21.90.89.19 | 358242579 | 0 |
| 21.90.89.20 | 358242580 | 0 |
| 21.90.89.21 | 358242581 | 0 |
| 21.90.89.22 | 358242582 | 0 |
| 21.90.89.23 | 358242583 | 0 |
| 21.90.89.24 | 358242584 | 0 |
| 21.90.89.25 | 358242585 | 0 |
| 21.90.89.26 | 358242586 | 0 |
| 21.90.89.27 | 358242587 | 0 |
| 21.90.89.28 | 358242588 | 0 |
| 21.90.89.29 | 358242589 | 0 |
| 21.90.89.30 | 358242590 | 0 |
| 21.90.89.31 | 358242591 | 0 |
| 21.90.89.32 | 358242592 | 0 |
| 21.90.89.33 | 358242593 | 0 |
| 21.90.89.34 | 358242594 | 0 |
| 21.90.89.35 | 358242595 | 0 |
| 21.90.89.36 | 358242596 | 0 |
| 21.90.89.37 | 358242597 | 0 |
| 21.90.89.38 | 358242598 | 0 |
| 21.90.89.39 | 358242599 | 0 |
| 21.90.89.40 | 358242600 | 0 |
| 21.90.89.41 | 358242601 | 0 |
| 21.90.89.42 | 358242602 | 0 |
| 21.90.89.43 | 358242603 | 0 |
| 21.90.89.44 | 358242604 | 0 |
| 21.90.89.45 | 358242605 | 0 |
| 21.90.89.46 | 358242606 | 0 |
| 21.90.89.47 | 358242607 | 0 |
| 21.90.89.48 | 358242608 | 0 |
| 21.90.89.49 | 358242609 | 0 |
| 21.90.89.50 | 358242610 | 0 |
| 21.90.89.51 | 358242611 | 0 |
| 21.90.89.52 | 358242612 | 0 |
| 21.90.89.53 | 358242613 | 0 |
| 21.90.89.54 | 358242614 | 0 |
| 21.90.89.55 | 358242615 | 0 |
| 21.90.89.56 | 358242616 | 0 |
| 21.90.89.57 | 358242617 | 0 |
| 21.90.89.58 | 358242618 | 0 |
| 21.90.89.59 | 358242619 | 0 |
| 21.90.89.60 | 358242620 | 0 |
| 21.90.89.61 | 358242621 | 0 |
| 21.90.89.62 | 358242622 | 0 |
| 21.90.89.63 | 358242623 | 0 |
| 21.90.89.64 | 358242624 | 0 |
| 21.90.89.65 | 358242625 | 0 |
| 21.90.89.66 | 358242626 | 0 |
| 21.90.89.67 | 358242627 | 0 |
| 21.90.89.68 | 358242628 | 0 |
| 21.90.89.69 | 358242629 | 0 |
| 21.90.89.70 | 358242630 | 0 |
| 21.90.89.71 | 358242631 | 0 |
| 21.90.89.72 | 358242632 | 0 |
| 21.90.89.73 | 358242633 | 0 |
| 21.90.89.74 | 358242634 | 0 |
| 21.90.89.75 | 358242635 | 0 |
| 21.90.89.76 | 358242636 | 0 |
| 21.90.89.77 | 358242637 | 0 |
| 21.90.89.78 | 358242638 | 0 |
| 21.90.89.79 | 358242639 | 0 |
| 21.90.89.80 | 358242640 | 0 |
| 21.90.89.81 | 358242641 | 0 |
| 21.90.89.82 | 358242642 | 0 |
| 21.90.89.83 | 358242643 | 0 |
| 21.90.89.84 | 358242644 | 0 |
| 21.90.89.85 | 358242645 | 0 |