L'indirizzo IP 21.197.2 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 | 15/02/2018 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Columbus | 39,9664 | -83,0128 | 2018-02-15 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2018-02-15 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.197.2.0 | 365232640 | 0 |
| 21.197.2.1 | 365232641 | 0 |
| 21.197.2.2 | 365232642 | 0 |
| 21.197.2.3 | 365232643 | 0 |
| 21.197.2.4 | 365232644 | 0 |
| 21.197.2.5 | 365232645 | 0 |
| 21.197.2.6 | 365232646 | 0 |
| 21.197.2.7 | 365232647 | 0 |
| 21.197.2.8 | 365232648 | 0 |
| 21.197.2.9 | 365232649 | 0 |
| 21.197.2.10 | 365232650 | 0 |
| 21.197.2.11 | 365232651 | 0 |
| 21.197.2.12 | 365232652 | 0 |
| 21.197.2.13 | 365232653 | 0 |
| 21.197.2.14 | 365232654 | 0 |
| 21.197.2.15 | 365232655 | 0 |
| 21.197.2.16 | 365232656 | 0 |
| 21.197.2.17 | 365232657 | 0 |
| 21.197.2.18 | 365232658 | 0 |
| 21.197.2.19 | 365232659 | 0 |
| 21.197.2.20 | 365232660 | 0 |
| 21.197.2.21 | 365232661 | 0 |
| 21.197.2.22 | 365232662 | 0 |
| 21.197.2.23 | 365232663 | 0 |
| 21.197.2.24 | 365232664 | 0 |
| 21.197.2.25 | 365232665 | 0 |
| 21.197.2.26 | 365232666 | 0 |
| 21.197.2.27 | 365232667 | 0 |
| 21.197.2.28 | 365232668 | 0 |
| 21.197.2.29 | 365232669 | 0 |
| 21.197.2.30 | 365232670 | 0 |
| 21.197.2.31 | 365232671 | 0 |
| 21.197.2.32 | 365232672 | 0 |
| 21.197.2.33 | 365232673 | 0 |
| 21.197.2.34 | 365232674 | 0 |
| 21.197.2.35 | 365232675 | 0 |
| 21.197.2.36 | 365232676 | 0 |
| 21.197.2.37 | 365232677 | 0 |
| 21.197.2.38 | 365232678 | 0 |
| 21.197.2.39 | 365232679 | 0 |
| 21.197.2.40 | 365232680 | 0 |
| 21.197.2.41 | 365232681 | 0 |
| 21.197.2.42 | 365232682 | 0 |
| 21.197.2.43 | 365232683 | 0 |
| 21.197.2.44 | 365232684 | 0 |
| 21.197.2.45 | 365232685 | 0 |
| 21.197.2.46 | 365232686 | 0 |
| 21.197.2.47 | 365232687 | 0 |
| 21.197.2.48 | 365232688 | 0 |
| 21.197.2.49 | 365232689 | 0 |
| 21.197.2.50 | 365232690 | 0 |
| 21.197.2.51 | 365232691 | 0 |
| 21.197.2.52 | 365232692 | 0 |
| 21.197.2.53 | 365232693 | 0 |
| 21.197.2.54 | 365232694 | 0 |
| 21.197.2.55 | 365232695 | 0 |
| 21.197.2.56 | 365232696 | 0 |
| 21.197.2.57 | 365232697 | 0 |
| 21.197.2.58 | 365232698 | 0 |
| 21.197.2.59 | 365232699 | 0 |
| 21.197.2.60 | 365232700 | 0 |
| 21.197.2.61 | 365232701 | 0 |
| 21.197.2.62 | 365232702 | 0 |
| 21.197.2.63 | 365232703 | 0 |
| 21.197.2.64 | 365232704 | 0 |
| 21.197.2.65 | 365232705 | 0 |
| 21.197.2.66 | 365232706 | 0 |
| 21.197.2.67 | 365232707 | 0 |
| 21.197.2.68 | 365232708 | 0 |
| 21.197.2.69 | 365232709 | 0 |
| 21.197.2.70 | 365232710 | 0 |
| 21.197.2.71 | 365232711 | 0 |
| 21.197.2.72 | 365232712 | 0 |
| 21.197.2.73 | 365232713 | 0 |
| 21.197.2.74 | 365232714 | 0 |
| 21.197.2.75 | 365232715 | 0 |
| 21.197.2.76 | 365232716 | 0 |
| 21.197.2.77 | 365232717 | 0 |
| 21.197.2.78 | 365232718 | 0 |
| 21.197.2.79 | 365232719 | 0 |
| 21.197.2.80 | 365232720 | 0 |
| 21.197.2.81 | 365232721 | 0 |
| 21.197.2.82 | 365232722 | 0 |
| 21.197.2.83 | 365232723 | 0 |
| 21.197.2.84 | 365232724 | 0 |
| 21.197.2.85 | 365232725 | 0 |