La dirección IP 21.77.27 es proporcionada por China Education and Research Network Center, que es propiedad de la CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, IP entre 22.30.204.0 a 22.30.205.255 ). El número de sistema autónomo (ASN) es 4538.
| ASN | 4538 |
| IP que comienzan con | 22.30.204.0 |
| IP que termina con | 22.30.205.255 |
| ASN Nombre | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numérica | |
| Registe | |
| Última actualización | 30/07/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2017-07-29 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-07-29 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.77.27.0 | 357374720 | 0 |
| 21.77.27.1 | 357374721 | 0 |
| 21.77.27.2 | 357374722 | 0 |
| 21.77.27.3 | 357374723 | 0 |
| 21.77.27.4 | 357374724 | 0 |
| 21.77.27.5 | 357374725 | 0 |
| 21.77.27.6 | 357374726 | 0 |
| 21.77.27.7 | 357374727 | 0 |
| 21.77.27.8 | 357374728 | 0 |
| 21.77.27.9 | 357374729 | 0 |
| 21.77.27.10 | 357374730 | 0 |
| 21.77.27.11 | 357374731 | 0 |
| 21.77.27.12 | 357374732 | 0 |
| 21.77.27.13 | 357374733 | 0 |
| 21.77.27.14 | 357374734 | 0 |
| 21.77.27.15 | 357374735 | 0 |
| 21.77.27.16 | 357374736 | 0 |
| 21.77.27.17 | 357374737 | 0 |
| 21.77.27.18 | 357374738 | 0 |
| 21.77.27.19 | 357374739 | 0 |
| 21.77.27.20 | 357374740 | 0 |
| 21.77.27.21 | 357374741 | 0 |
| 21.77.27.22 | 357374742 | 0 |
| 21.77.27.23 | 357374743 | 0 |
| 21.77.27.24 | 357374744 | 0 |
| 21.77.27.25 | 357374745 | 0 |
| 21.77.27.26 | 357374746 | 0 |
| 21.77.27.27 | 357374747 | 0 |
| 21.77.27.28 | 357374748 | 0 |
| 21.77.27.29 | 357374749 | 0 |
| 21.77.27.30 | 357374750 | 0 |
| 21.77.27.31 | 357374751 | 0 |
| 21.77.27.32 | 357374752 | 0 |
| 21.77.27.33 | 357374753 | 0 |
| 21.77.27.34 | 357374754 | 0 |
| 21.77.27.35 | 357374755 | 0 |
| 21.77.27.36 | 357374756 | 0 |
| 21.77.27.37 | 357374757 | 0 |
| 21.77.27.38 | 357374758 | 0 |
| 21.77.27.39 | 357374759 | 0 |
| 21.77.27.40 | 357374760 | 0 |
| 21.77.27.41 | 357374761 | 0 |
| 21.77.27.42 | 357374762 | 0 |
| 21.77.27.43 | 357374763 | 0 |
| 21.77.27.44 | 357374764 | 0 |
| 21.77.27.45 | 357374765 | 0 |
| 21.77.27.46 | 357374766 | 0 |
| 21.77.27.47 | 357374767 | 0 |
| 21.77.27.48 | 357374768 | 0 |
| 21.77.27.49 | 357374769 | 0 |
| 21.77.27.50 | 357374770 | 0 |
| 21.77.27.51 | 357374771 | 0 |
| 21.77.27.52 | 357374772 | 0 |
| 21.77.27.53 | 357374773 | 0 |
| 21.77.27.54 | 357374774 | 0 |
| 21.77.27.55 | 357374775 | 0 |
| 21.77.27.56 | 357374776 | 0 |
| 21.77.27.57 | 357374777 | 0 |
| 21.77.27.58 | 357374778 | 0 |
| 21.77.27.59 | 357374779 | 0 |
| 21.77.27.60 | 357374780 | 0 |
| 21.77.27.61 | 357374781 | 0 |
| 21.77.27.62 | 357374782 | 0 |
| 21.77.27.63 | 357374783 | 0 |
| 21.77.27.64 | 357374784 | 0 |
| 21.77.27.65 | 357374785 | 0 |
| 21.77.27.66 | 357374786 | 0 |
| 21.77.27.67 | 357374787 | 0 |
| 21.77.27.68 | 357374788 | 0 |
| 21.77.27.69 | 357374789 | 0 |
| 21.77.27.70 | 357374790 | 0 |
| 21.77.27.71 | 357374791 | 0 |
| 21.77.27.72 | 357374792 | 0 |
| 21.77.27.73 | 357374793 | 0 |
| 21.77.27.74 | 357374794 | 0 |
| 21.77.27.75 | 357374795 | 0 |
| 21.77.27.76 | 357374796 | 0 |
| 21.77.27.77 | 357374797 | 0 |
| 21.77.27.78 | 357374798 | 0 |
| 21.77.27.79 | 357374799 | 0 |
| 21.77.27.80 | 357374800 | 0 |
| 21.77.27.81 | 357374801 | 0 |
| 21.77.27.82 | 357374802 | 0 |
| 21.77.27.83 | 357374803 | 0 |
| 21.77.27.84 | 357374804 | 0 |
| 21.77.27.85 | 357374805 | 0 |