La dirección IP 21.90.41 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 | 30/04/2019 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Houston | 29,7633 | -95,3633 | 2019-04-30 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2019-04-30 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.90.41.0 | 358230272 | 0 |
| 21.90.41.1 | 358230273 | 0 |
| 21.90.41.2 | 358230274 | 0 |
| 21.90.41.3 | 358230275 | 0 |
| 21.90.41.4 | 358230276 | 0 |
| 21.90.41.5 | 358230277 | 0 |
| 21.90.41.6 | 358230278 | 0 |
| 21.90.41.7 | 358230279 | 0 |
| 21.90.41.8 | 358230280 | 0 |
| 21.90.41.9 | 358230281 | 0 |
| 21.90.41.10 | 358230282 | 0 |
| 21.90.41.11 | 358230283 | 0 |
| 21.90.41.12 | 358230284 | 0 |
| 21.90.41.13 | 358230285 | 0 |
| 21.90.41.14 | 358230286 | 0 |
| 21.90.41.15 | 358230287 | 0 |
| 21.90.41.16 | 358230288 | 0 |
| 21.90.41.17 | 358230289 | 0 |
| 21.90.41.18 | 358230290 | 0 |
| 21.90.41.19 | 358230291 | 0 |
| 21.90.41.20 | 358230292 | 0 |
| 21.90.41.21 | 358230293 | 0 |
| 21.90.41.22 | 358230294 | 0 |
| 21.90.41.23 | 358230295 | 0 |
| 21.90.41.24 | 358230296 | 0 |
| 21.90.41.25 | 358230297 | 0 |
| 21.90.41.26 | 358230298 | 0 |
| 21.90.41.27 | 358230299 | 0 |
| 21.90.41.28 | 358230300 | 0 |
| 21.90.41.29 | 358230301 | 0 |
| 21.90.41.30 | 358230302 | 0 |
| 21.90.41.31 | 358230303 | 0 |
| 21.90.41.32 | 358230304 | 0 |
| 21.90.41.33 | 358230305 | 0 |
| 21.90.41.34 | 358230306 | 0 |
| 21.90.41.35 | 358230307 | 0 |
| 21.90.41.36 | 358230308 | 0 |
| 21.90.41.37 | 358230309 | 0 |
| 21.90.41.38 | 358230310 | 0 |
| 21.90.41.39 | 358230311 | 0 |
| 21.90.41.40 | 358230312 | 0 |
| 21.90.41.41 | 358230313 | 0 |
| 21.90.41.42 | 358230314 | 0 |
| 21.90.41.43 | 358230315 | 0 |
| 21.90.41.44 | 358230316 | 0 |
| 21.90.41.45 | 358230317 | 0 |
| 21.90.41.46 | 358230318 | 0 |
| 21.90.41.47 | 358230319 | 0 |
| 21.90.41.48 | 358230320 | 0 |
| 21.90.41.49 | 358230321 | 0 |
| 21.90.41.50 | 358230322 | 0 |
| 21.90.41.51 | 358230323 | 0 |
| 21.90.41.52 | 358230324 | 0 |
| 21.90.41.53 | 358230325 | 0 |
| 21.90.41.54 | 358230326 | 0 |
| 21.90.41.55 | 358230327 | 0 |
| 21.90.41.56 | 358230328 | 0 |
| 21.90.41.57 | 358230329 | 0 |
| 21.90.41.58 | 358230330 | 0 |
| 21.90.41.59 | 358230331 | 0 |
| 21.90.41.60 | 358230332 | 0 |
| 21.90.41.61 | 358230333 | 0 |
| 21.90.41.62 | 358230334 | 0 |
| 21.90.41.63 | 358230335 | 0 |
| 21.90.41.64 | 358230336 | 0 |
| 21.90.41.65 | 358230337 | 0 |
| 21.90.41.66 | 358230338 | 0 |
| 21.90.41.67 | 358230339 | 0 |
| 21.90.41.68 | 358230340 | 0 |
| 21.90.41.69 | 358230341 | 0 |
| 21.90.41.70 | 358230342 | 0 |
| 21.90.41.71 | 358230343 | 0 |
| 21.90.41.72 | 358230344 | 0 |
| 21.90.41.73 | 358230345 | 0 |
| 21.90.41.74 | 358230346 | 0 |
| 21.90.41.75 | 358230347 | 0 |
| 21.90.41.76 | 358230348 | 0 |
| 21.90.41.77 | 358230349 | 0 |
| 21.90.41.78 | 358230350 | 0 |
| 21.90.41.79 | 358230351 | 0 |
| 21.90.41.80 | 358230352 | 0 |
| 21.90.41.81 | 358230353 | 0 |
| 21.90.41.82 | 358230354 | 0 |
| 21.90.41.83 | 358230355 | 0 |
| 21.90.41.84 | 358230356 | 0 |
| 21.90.41.85 | 358230357 | 0 |