Les adresses IP débutant par 21.83.59 sont fournies par China Education and Research Network Center, elles appartiennent au CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, le bloc IP comprant les adresses de 22.30.204.0 à 22.30.205.255). Le numéro de système autonome (ASN) est 4538.
| ASN | 4538 |
| IP commençant par | 22.30.204.0 |
| IP se terminant par | 22.30.205.255 |
| Nom ASN | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numérique | |
| Registe | |
| Dernière mise à jour | 24/08/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Houston | 29,7633 | -95,3633 | 2018-08-24 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2018-08-24 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.83.59.0 | 357776128 | 0 |
| 21.83.59.1 | 357776129 | 0 |
| 21.83.59.2 | 357776130 | 0 |
| 21.83.59.3 | 357776131 | 0 |
| 21.83.59.4 | 357776132 | 0 |
| 21.83.59.5 | 357776133 | 0 |
| 21.83.59.6 | 357776134 | 0 |
| 21.83.59.7 | 357776135 | 0 |
| 21.83.59.8 | 357776136 | 0 |
| 21.83.59.9 | 357776137 | 0 |
| 21.83.59.10 | 357776138 | 0 |
| 21.83.59.11 | 357776139 | 0 |
| 21.83.59.12 | 357776140 | 0 |
| 21.83.59.13 | 357776141 | 0 |
| 21.83.59.14 | 357776142 | 0 |
| 21.83.59.15 | 357776143 | 0 |
| 21.83.59.16 | 357776144 | 0 |
| 21.83.59.17 | 357776145 | 0 |
| 21.83.59.18 | 357776146 | 0 |
| 21.83.59.19 | 357776147 | 0 |
| 21.83.59.20 | 357776148 | 0 |
| 21.83.59.21 | 357776149 | 0 |
| 21.83.59.22 | 357776150 | 0 |
| 21.83.59.23 | 357776151 | 0 |
| 21.83.59.24 | 357776152 | 0 |
| 21.83.59.25 | 357776153 | 0 |
| 21.83.59.26 | 357776154 | 0 |
| 21.83.59.27 | 357776155 | 0 |
| 21.83.59.28 | 357776156 | 0 |
| 21.83.59.29 | 357776157 | 0 |
| 21.83.59.30 | 357776158 | 0 |
| 21.83.59.31 | 357776159 | 0 |
| 21.83.59.32 | 357776160 | 0 |
| 21.83.59.33 | 357776161 | 0 |
| 21.83.59.34 | 357776162 | 0 |
| 21.83.59.35 | 357776163 | 0 |
| 21.83.59.36 | 357776164 | 0 |
| 21.83.59.37 | 357776165 | 0 |
| 21.83.59.38 | 357776166 | 0 |
| 21.83.59.39 | 357776167 | 0 |
| 21.83.59.40 | 357776168 | 0 |
| 21.83.59.41 | 357776169 | 0 |
| 21.83.59.42 | 357776170 | 0 |
| 21.83.59.43 | 357776171 | 0 |
| 21.83.59.44 | 357776172 | 0 |
| 21.83.59.45 | 357776173 | 0 |
| 21.83.59.46 | 357776174 | 0 |
| 21.83.59.47 | 357776175 | 0 |
| 21.83.59.48 | 357776176 | 0 |
| 21.83.59.49 | 357776177 | 0 |
| 21.83.59.50 | 357776178 | 0 |
| 21.83.59.51 | 357776179 | 0 |
| 21.83.59.52 | 357776180 | 0 |
| 21.83.59.53 | 357776181 | 0 |
| 21.83.59.54 | 357776182 | 0 |
| 21.83.59.55 | 357776183 | 0 |
| 21.83.59.56 | 357776184 | 0 |
| 21.83.59.57 | 357776185 | 0 |
| 21.83.59.58 | 357776186 | 0 |
| 21.83.59.59 | 357776187 | 0 |
| 21.83.59.60 | 357776188 | 0 |
| 21.83.59.61 | 357776189 | 0 |
| 21.83.59.62 | 357776190 | 0 |
| 21.83.59.63 | 357776191 | 0 |
| 21.83.59.64 | 357776192 | 0 |
| 21.83.59.65 | 357776193 | 0 |
| 21.83.59.66 | 357776194 | 0 |
| 21.83.59.67 | 357776195 | 0 |
| 21.83.59.68 | 357776196 | 0 |
| 21.83.59.69 | 357776197 | 0 |
| 21.83.59.70 | 357776198 | 0 |
| 21.83.59.71 | 357776199 | 0 |
| 21.83.59.72 | 357776200 | 0 |
| 21.83.59.73 | 357776201 | 0 |
| 21.83.59.74 | 357776202 | 0 |
| 21.83.59.75 | 357776203 | 0 |
| 21.83.59.76 | 357776204 | 0 |
| 21.83.59.77 | 357776205 | 0 |
| 21.83.59.78 | 357776206 | 0 |
| 21.83.59.79 | 357776207 | 0 |
| 21.83.59.80 | 357776208 | 0 |
| 21.83.59.81 | 357776209 | 0 |
| 21.83.59.82 | 357776210 | 0 |
| 21.83.59.83 | 357776211 | 0 |
| 21.83.59.84 | 357776212 | 0 |
| 21.83.59.85 | 357776213 | 0 |