La dirección IP 21.90.52 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 | 12/12/2018 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Houston | 29,7633 | -95,3633 | 2018-12-12 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2018-12-12 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.90.52.0 | 358233088 | 0 |
| 21.90.52.1 | 358233089 | 0 |
| 21.90.52.2 | 358233090 | 0 |
| 21.90.52.3 | 358233091 | 0 |
| 21.90.52.4 | 358233092 | 0 |
| 21.90.52.5 | 358233093 | 0 |
| 21.90.52.6 | 358233094 | 0 |
| 21.90.52.7 | 358233095 | 0 |
| 21.90.52.8 | 358233096 | 0 |
| 21.90.52.9 | 358233097 | 0 |
| 21.90.52.10 | 358233098 | 0 |
| 21.90.52.11 | 358233099 | 0 |
| 21.90.52.12 | 358233100 | 0 |
| 21.90.52.13 | 358233101 | 0 |
| 21.90.52.14 | 358233102 | 0 |
| 21.90.52.15 | 358233103 | 0 |
| 21.90.52.16 | 358233104 | 0 |
| 21.90.52.17 | 358233105 | 0 |
| 21.90.52.18 | 358233106 | 0 |
| 21.90.52.19 | 358233107 | 0 |
| 21.90.52.20 | 358233108 | 0 |
| 21.90.52.21 | 358233109 | 0 |
| 21.90.52.22 | 358233110 | 0 |
| 21.90.52.23 | 358233111 | 0 |
| 21.90.52.24 | 358233112 | 0 |
| 21.90.52.25 | 358233113 | 0 |
| 21.90.52.26 | 358233114 | 0 |
| 21.90.52.27 | 358233115 | 0 |
| 21.90.52.28 | 358233116 | 0 |
| 21.90.52.29 | 358233117 | 0 |
| 21.90.52.30 | 358233118 | 0 |
| 21.90.52.31 | 358233119 | 0 |
| 21.90.52.32 | 358233120 | 0 |
| 21.90.52.33 | 358233121 | 0 |
| 21.90.52.34 | 358233122 | 0 |
| 21.90.52.35 | 358233123 | 0 |
| 21.90.52.36 | 358233124 | 0 |
| 21.90.52.37 | 358233125 | 0 |
| 21.90.52.38 | 358233126 | 0 |
| 21.90.52.39 | 358233127 | 0 |
| 21.90.52.40 | 358233128 | 0 |
| 21.90.52.41 | 358233129 | 0 |
| 21.90.52.42 | 358233130 | 0 |
| 21.90.52.43 | 358233131 | 0 |
| 21.90.52.44 | 358233132 | 0 |
| 21.90.52.45 | 358233133 | 0 |
| 21.90.52.46 | 358233134 | 0 |
| 21.90.52.47 | 358233135 | 0 |
| 21.90.52.48 | 358233136 | 0 |
| 21.90.52.49 | 358233137 | 0 |
| 21.90.52.50 | 358233138 | 0 |
| 21.90.52.51 | 358233139 | 0 |
| 21.90.52.52 | 358233140 | 0 |
| 21.90.52.53 | 358233141 | 0 |
| 21.90.52.54 | 358233142 | 0 |
| 21.90.52.55 | 358233143 | 0 |
| 21.90.52.56 | 358233144 | 0 |
| 21.90.52.57 | 358233145 | 0 |
| 21.90.52.58 | 358233146 | 0 |
| 21.90.52.59 | 358233147 | 0 |
| 21.90.52.60 | 358233148 | 0 |
| 21.90.52.61 | 358233149 | 0 |
| 21.90.52.62 | 358233150 | 0 |
| 21.90.52.63 | 358233151 | 0 |
| 21.90.52.64 | 358233152 | 0 |
| 21.90.52.65 | 358233153 | 0 |
| 21.90.52.66 | 358233154 | 0 |
| 21.90.52.67 | 358233155 | 0 |
| 21.90.52.68 | 358233156 | 0 |
| 21.90.52.69 | 358233157 | 0 |
| 21.90.52.70 | 358233158 | 0 |
| 21.90.52.71 | 358233159 | 0 |
| 21.90.52.72 | 358233160 | 0 |
| 21.90.52.73 | 358233161 | 0 |
| 21.90.52.74 | 358233162 | 0 |
| 21.90.52.75 | 358233163 | 0 |
| 21.90.52.76 | 358233164 | 0 |
| 21.90.52.77 | 358233165 | 0 |
| 21.90.52.78 | 358233166 | 0 |
| 21.90.52.79 | 358233167 | 0 |
| 21.90.52.80 | 358233168 | 0 |
| 21.90.52.81 | 358233169 | 0 |
| 21.90.52.82 | 358233170 | 0 |
| 21.90.52.83 | 358233171 | 0 |
| 21.90.52.84 | 358233172 | 0 |
| 21.90.52.85 | 358233173 | 0 |