La dirección IP 21.237.2 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 | 28/03/2020 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | ES | España | - | Madrid | 40,4165 | -3,7026 | 2020-03-28 |
| MaxMind | US | Estados Unidos | - | Temple City | 34,1031 | -118,051 | 2020-03-28 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.237.2.0 | 367854080 | 0 |
| 21.237.2.1 | 367854081 | 0 |
| 21.237.2.2 | 367854082 | 0 |
| 21.237.2.3 | 367854083 | 0 |
| 21.237.2.4 | 367854084 | 0 |
| 21.237.2.5 | 367854085 | 0 |
| 21.237.2.6 | 367854086 | 0 |
| 21.237.2.7 | 367854087 | 0 |
| 21.237.2.8 | 367854088 | 0 |
| 21.237.2.9 | 367854089 | 0 |
| 21.237.2.10 | 367854090 | 0 |
| 21.237.2.11 | 367854091 | 0 |
| 21.237.2.12 | 367854092 | 0 |
| 21.237.2.13 | 367854093 | 0 |
| 21.237.2.14 | 367854094 | 0 |
| 21.237.2.15 | 367854095 | 0 |
| 21.237.2.16 | 367854096 | 0 |
| 21.237.2.17 | 367854097 | 0 |
| 21.237.2.18 | 367854098 | 0 |
| 21.237.2.19 | 367854099 | 0 |
| 21.237.2.20 | 367854100 | 0 |
| 21.237.2.21 | 367854101 | 0 |
| 21.237.2.22 | 367854102 | 0 |
| 21.237.2.23 | 367854103 | 0 |
| 21.237.2.24 | 367854104 | 0 |
| 21.237.2.25 | 367854105 | 0 |
| 21.237.2.26 | 367854106 | 0 |
| 21.237.2.27 | 367854107 | 0 |
| 21.237.2.28 | 367854108 | 0 |
| 21.237.2.29 | 367854109 | 0 |
| 21.237.2.30 | 367854110 | 0 |
| 21.237.2.31 | 367854111 | 0 |
| 21.237.2.32 | 367854112 | 0 |
| 21.237.2.33 | 367854113 | 0 |
| 21.237.2.34 | 367854114 | 0 |
| 21.237.2.35 | 367854115 | 0 |
| 21.237.2.36 | 367854116 | 0 |
| 21.237.2.37 | 367854117 | 0 |
| 21.237.2.38 | 367854118 | 0 |
| 21.237.2.39 | 367854119 | 0 |
| 21.237.2.40 | 367854120 | 0 |
| 21.237.2.41 | 367854121 | 0 |
| 21.237.2.42 | 367854122 | 0 |
| 21.237.2.43 | 367854123 | 0 |
| 21.237.2.44 | 367854124 | 0 |
| 21.237.2.45 | 367854125 | 0 |
| 21.237.2.46 | 367854126 | 0 |
| 21.237.2.47 | 367854127 | 0 |
| 21.237.2.48 | 367854128 | 0 |
| 21.237.2.49 | 367854129 | 0 |
| 21.237.2.50 | 367854130 | 0 |
| 21.237.2.51 | 367854131 | 0 |
| 21.237.2.52 | 367854132 | 0 |
| 21.237.2.53 | 367854133 | 0 |
| 21.237.2.54 | 367854134 | 0 |
| 21.237.2.55 | 367854135 | 0 |
| 21.237.2.56 | 367854136 | 0 |
| 21.237.2.57 | 367854137 | 0 |
| 21.237.2.58 | 367854138 | 0 |
| 21.237.2.59 | 367854139 | 0 |
| 21.237.2.60 | 367854140 | 0 |
| 21.237.2.61 | 367854141 | 0 |
| 21.237.2.62 | 367854142 | 0 |
| 21.237.2.63 | 367854143 | 0 |
| 21.237.2.64 | 367854144 | 0 |
| 21.237.2.65 | 367854145 | 0 |
| 21.237.2.66 | 367854146 | 0 |
| 21.237.2.67 | 367854147 | 0 |
| 21.237.2.68 | 367854148 | 0 |
| 21.237.2.69 | 367854149 | 0 |
| 21.237.2.70 | 367854150 | 0 |
| 21.237.2.71 | 367854151 | 0 |
| 21.237.2.72 | 367854152 | 0 |
| 21.237.2.73 | 367854153 | 0 |
| 21.237.2.74 | 367854154 | 0 |
| 21.237.2.75 | 367854155 | 0 |
| 21.237.2.76 | 367854156 | 0 |
| 21.237.2.77 | 367854157 | 0 |
| 21.237.2.78 | 367854158 | 0 |
| 21.237.2.79 | 367854159 | 0 |
| 21.237.2.80 | 367854160 | 0 |
| 21.237.2.81 | 367854161 | 0 |
| 21.237.2.82 | 367854162 | 0 |
| 21.237.2.83 | 367854163 | 0 |
| 21.237.2.84 | 367854164 | 0 |
| 21.237.2.85 | 367854165 | 0 |