L'indirizzo IP 211.66.81 è fornito da China Education and Research Network Center, che è di proprietà del CIDR (Classless Inter-Domain Routing) 211.64.0.0/13, IP tra 211.64.0.0 a 211.71.255.255 ). Il numero di sistema autonomo (ASN) è 4538.
| ASN | 4538 |
| IP inizia con | 211.64.0.0 |
| IP finale con | 211.71.255.255 |
| ASN Nome | China Education and Research Network Center |
| CDIR | 211.64.0.0/13 |
| IP numerico | |
| Registe | apnic |
| Ultimo aggiornamento | 02/05/2019 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | CN | China | - | Guangzhou | 23,1167 | 113,25 | 2019-05-02 |
| MaxMind | CN | China | - | Guangzhou | 23,1167 | 113,25 | 2019-05-02 |
| Whois | CN | - | - | - | 104 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 211.66.81.0 | 3544338688 | 0 |
| 211.66.81.1 | 3544338689 | 0 |
| 211.66.81.2 | 3544338690 | 0 |
| 211.66.81.3 | 3544338691 | 0 |
| 211.66.81.4 | 3544338692 | 0 |
| 211.66.81.5 | 3544338693 | 0 |
| 211.66.81.6 | 3544338694 | 0 |
| 211.66.81.7 | 3544338695 | 0 |
| 211.66.81.8 | 3544338696 | 0 |
| 211.66.81.9 | 3544338697 | 0 |
| 211.66.81.10 | 3544338698 | 0 |
| 211.66.81.11 | 3544338699 | 0 |
| 211.66.81.12 | 3544338700 | 0 |
| 211.66.81.13 | 3544338701 | 0 |
| 211.66.81.14 | 3544338702 | 0 |
| 211.66.81.15 | 3544338703 | 0 |
| 211.66.81.16 | 3544338704 | 0 |
| 211.66.81.17 | 3544338705 | 0 |
| 211.66.81.18 | 3544338706 | 0 |
| 211.66.81.19 | 3544338707 | 0 |
| 211.66.81.20 | 3544338708 | 0 |
| 211.66.81.21 | 3544338709 | 0 |
| 211.66.81.22 | 3544338710 | 0 |
| 211.66.81.23 | 3544338711 | 0 |
| 211.66.81.24 | 3544338712 | 0 |
| 211.66.81.25 | 3544338713 | 0 |
| 211.66.81.26 | 3544338714 | 0 |
| 211.66.81.27 | 3544338715 | 0 |
| 211.66.81.28 | 3544338716 | 0 |
| 211.66.81.29 | 3544338717 | 0 |
| 211.66.81.30 | 3544338718 | 0 |
| 211.66.81.31 | 3544338719 | 0 |
| 211.66.81.32 | 3544338720 | 0 |
| 211.66.81.33 | 3544338721 | 0 |
| 211.66.81.34 | 3544338722 | 0 |
| 211.66.81.35 | 3544338723 | 0 |
| 211.66.81.36 | 3544338724 | 0 |
| 211.66.81.37 | 3544338725 | 0 |
| 211.66.81.38 | 3544338726 | 0 |
| 211.66.81.39 | 3544338727 | 0 |
| 211.66.81.40 | 3544338728 | 0 |
| 211.66.81.41 | 3544338729 | 0 |
| 211.66.81.42 | 3544338730 | 0 |
| 211.66.81.43 | 3544338731 | 0 |
| 211.66.81.44 | 3544338732 | 0 |
| 211.66.81.45 | 3544338733 | 0 |
| 211.66.81.46 | 3544338734 | 0 |
| 211.66.81.47 | 3544338735 | 0 |
| 211.66.81.48 | 3544338736 | 0 |
| 211.66.81.49 | 3544338737 | 0 |
| 211.66.81.50 | 3544338738 | 0 |
| 211.66.81.51 | 3544338739 | 0 |
| 211.66.81.52 | 3544338740 | 0 |
| 211.66.81.53 | 3544338741 | 0 |
| 211.66.81.54 | 3544338742 | 0 |
| 211.66.81.55 | 3544338743 | 0 |
| 211.66.81.56 | 3544338744 | 0 |
| 211.66.81.57 | 3544338745 | 0 |
| 211.66.81.58 | 3544338746 | 0 |
| 211.66.81.59 | 3544338747 | 0 |
| 211.66.81.60 | 3544338748 | 0 |
| 211.66.81.61 | 3544338749 | 0 |
| 211.66.81.62 | 3544338750 | 0 |
| 211.66.81.63 | 3544338751 | 0 |
| 211.66.81.64 | 3544338752 | 0 |
| 211.66.81.65 | 3544338753 | 0 |
| 211.66.81.66 | 3544338754 | 0 |
| 211.66.81.67 | 3544338755 | 0 |
| 211.66.81.68 | 3544338756 | 0 |
| 211.66.81.69 | 3544338757 | 0 |
| 211.66.81.70 | 3544338758 | 0 |
| 211.66.81.71 | 3544338759 | 0 |
| 211.66.81.72 | 3544338760 | 0 |
| 211.66.81.73 | 3544338761 | 0 |
| 211.66.81.74 | 3544338762 | 0 |
| 211.66.81.75 | 3544338763 | 0 |
| 211.66.81.76 | 3544338764 | 0 |
| 211.66.81.77 | 3544338765 | 0 |
| 211.66.81.78 | 3544338766 | 0 |
| 211.66.81.79 | 3544338767 | 0 |
| 211.66.81.80 | 3544338768 | 0 |
| 211.66.81.81 | 3544338769 | 0 |
| 211.66.81.82 | 3544338770 | 0 |
| 211.66.81.83 | 3544338771 | 0 |
| 211.66.81.84 | 3544338772 | 0 |
| 211.66.81.85 | 3544338773 | 0 |