La dirección IP 21.77.44 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 | 24/10/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2017-10-23 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-10-23 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.77.44.0 | 357379072 | 0 |
| 21.77.44.1 | 357379073 | 0 |
| 21.77.44.2 | 357379074 | 0 |
| 21.77.44.3 | 357379075 | 0 |
| 21.77.44.4 | 357379076 | 0 |
| 21.77.44.5 | 357379077 | 0 |
| 21.77.44.6 | 357379078 | 0 |
| 21.77.44.7 | 357379079 | 0 |
| 21.77.44.8 | 357379080 | 0 |
| 21.77.44.9 | 357379081 | 0 |
| 21.77.44.10 | 357379082 | 0 |
| 21.77.44.11 | 357379083 | 0 |
| 21.77.44.12 | 357379084 | 0 |
| 21.77.44.13 | 357379085 | 0 |
| 21.77.44.14 | 357379086 | 0 |
| 21.77.44.15 | 357379087 | 0 |
| 21.77.44.16 | 357379088 | 0 |
| 21.77.44.17 | 357379089 | 0 |
| 21.77.44.18 | 357379090 | 0 |
| 21.77.44.19 | 357379091 | 0 |
| 21.77.44.20 | 357379092 | 0 |
| 21.77.44.21 | 357379093 | 0 |
| 21.77.44.22 | 357379094 | 0 |
| 21.77.44.23 | 357379095 | 0 |
| 21.77.44.24 | 357379096 | 0 |
| 21.77.44.25 | 357379097 | 0 |
| 21.77.44.26 | 357379098 | 0 |
| 21.77.44.27 | 357379099 | 0 |
| 21.77.44.28 | 357379100 | 0 |
| 21.77.44.29 | 357379101 | 0 |
| 21.77.44.30 | 357379102 | 0 |
| 21.77.44.31 | 357379103 | 0 |
| 21.77.44.32 | 357379104 | 0 |
| 21.77.44.33 | 357379105 | 0 |
| 21.77.44.34 | 357379106 | 0 |
| 21.77.44.35 | 357379107 | 0 |
| 21.77.44.36 | 357379108 | 0 |
| 21.77.44.37 | 357379109 | 0 |
| 21.77.44.38 | 357379110 | 0 |
| 21.77.44.39 | 357379111 | 0 |
| 21.77.44.40 | 357379112 | 0 |
| 21.77.44.41 | 357379113 | 0 |
| 21.77.44.42 | 357379114 | 0 |
| 21.77.44.43 | 357379115 | 0 |
| 21.77.44.44 | 357379116 | 0 |
| 21.77.44.45 | 357379117 | 0 |
| 21.77.44.46 | 357379118 | 0 |
| 21.77.44.47 | 357379119 | 0 |
| 21.77.44.48 | 357379120 | 0 |
| 21.77.44.49 | 357379121 | 0 |
| 21.77.44.50 | 357379122 | 0 |
| 21.77.44.51 | 357379123 | 0 |
| 21.77.44.52 | 357379124 | 0 |
| 21.77.44.53 | 357379125 | 0 |
| 21.77.44.54 | 357379126 | 0 |
| 21.77.44.55 | 357379127 | 0 |
| 21.77.44.56 | 357379128 | 0 |
| 21.77.44.57 | 357379129 | 0 |
| 21.77.44.58 | 357379130 | 0 |
| 21.77.44.59 | 357379131 | 0 |
| 21.77.44.60 | 357379132 | 0 |
| 21.77.44.61 | 357379133 | 0 |
| 21.77.44.62 | 357379134 | 0 |
| 21.77.44.63 | 357379135 | 0 |
| 21.77.44.64 | 357379136 | 0 |
| 21.77.44.65 | 357379137 | 0 |
| 21.77.44.66 | 357379138 | 0 |
| 21.77.44.67 | 357379139 | 0 |
| 21.77.44.68 | 357379140 | 0 |
| 21.77.44.69 | 357379141 | 0 |
| 21.77.44.70 | 357379142 | 0 |
| 21.77.44.71 | 357379143 | 0 |
| 21.77.44.72 | 357379144 | 0 |
| 21.77.44.73 | 357379145 | 0 |
| 21.77.44.74 | 357379146 | 0 |
| 21.77.44.75 | 357379147 | 0 |
| 21.77.44.76 | 357379148 | 0 |
| 21.77.44.77 | 357379149 | 0 |
| 21.77.44.78 | 357379150 | 0 |
| 21.77.44.79 | 357379151 | 0 |
| 21.77.44.80 | 357379152 | 0 |
| 21.77.44.81 | 357379153 | 0 |
| 21.77.44.82 | 357379154 | 0 |
| 21.77.44.83 | 357379155 | 0 |
| 21.77.44.84 | 357379156 | 0 |
| 21.77.44.85 | 357379157 | 0 |