The IP address 21.90.48 is provided by China Education and Research Network Center, it's belong to the CDIR (Classless Inter-Domain Routing) 22.30.204.0/23 (range 22.30.204.0 to 22.30.205.255). The autonomous system number (ASN) is 4538.
| ASN | 4538 |
| IP starting by | 22.30.204.0 |
| IP ending by | 22.30.205.255 |
| ASN Name | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| Numerical IP | |
| Registry | |
| Last update | 12/03/2020 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Houston | 29.7633 | -95.3633 | 2020-03-12 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2020-03-12 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.90.48.0 | 358232064 | 0 |
| 21.90.48.1 | 358232065 | 0 |
| 21.90.48.2 | 358232066 | 0 |
| 21.90.48.3 | 358232067 | 0 |
| 21.90.48.4 | 358232068 | 0 |
| 21.90.48.5 | 358232069 | 0 |
| 21.90.48.6 | 358232070 | 0 |
| 21.90.48.7 | 358232071 | 0 |
| 21.90.48.8 | 358232072 | 0 |
| 21.90.48.9 | 358232073 | 0 |
| 21.90.48.10 | 358232074 | 0 |
| 21.90.48.11 | 358232075 | 0 |
| 21.90.48.12 | 358232076 | 0 |
| 21.90.48.13 | 358232077 | 0 |
| 21.90.48.14 | 358232078 | 0 |
| 21.90.48.15 | 358232079 | 0 |
| 21.90.48.16 | 358232080 | 0 |
| 21.90.48.17 | 358232081 | 0 |
| 21.90.48.18 | 358232082 | 0 |
| 21.90.48.19 | 358232083 | 0 |
| 21.90.48.20 | 358232084 | 0 |
| 21.90.48.21 | 358232085 | 0 |
| 21.90.48.22 | 358232086 | 0 |
| 21.90.48.23 | 358232087 | 0 |
| 21.90.48.24 | 358232088 | 0 |
| 21.90.48.25 | 358232089 | 0 |
| 21.90.48.26 | 358232090 | 0 |
| 21.90.48.27 | 358232091 | 0 |
| 21.90.48.28 | 358232092 | 0 |
| 21.90.48.29 | 358232093 | 0 |
| 21.90.48.30 | 358232094 | 0 |
| 21.90.48.31 | 358232095 | 0 |
| 21.90.48.32 | 358232096 | 0 |
| 21.90.48.33 | 358232097 | 0 |
| 21.90.48.34 | 358232098 | 0 |
| 21.90.48.35 | 358232099 | 0 |
| 21.90.48.36 | 358232100 | 0 |
| 21.90.48.37 | 358232101 | 0 |
| 21.90.48.38 | 358232102 | 0 |
| 21.90.48.39 | 358232103 | 0 |
| 21.90.48.40 | 358232104 | 0 |
| 21.90.48.41 | 358232105 | 0 |
| 21.90.48.42 | 358232106 | 0 |
| 21.90.48.43 | 358232107 | 0 |
| 21.90.48.44 | 358232108 | 0 |
| 21.90.48.45 | 358232109 | 0 |
| 21.90.48.46 | 358232110 | 0 |
| 21.90.48.47 | 358232111 | 0 |
| 21.90.48.48 | 358232112 | 0 |
| 21.90.48.49 | 358232113 | 0 |
| 21.90.48.50 | 358232114 | 0 |
| 21.90.48.51 | 358232115 | 0 |
| 21.90.48.52 | 358232116 | 0 |
| 21.90.48.53 | 358232117 | 0 |
| 21.90.48.54 | 358232118 | 0 |
| 21.90.48.55 | 358232119 | 0 |
| 21.90.48.56 | 358232120 | 0 |
| 21.90.48.57 | 358232121 | 0 |
| 21.90.48.58 | 358232122 | 0 |
| 21.90.48.59 | 358232123 | 0 |
| 21.90.48.60 | 358232124 | 0 |
| 21.90.48.61 | 358232125 | 0 |
| 21.90.48.62 | 358232126 | 0 |
| 21.90.48.63 | 358232127 | 0 |
| 21.90.48.64 | 358232128 | 0 |
| 21.90.48.65 | 358232129 | 0 |
| 21.90.48.66 | 358232130 | 0 |
| 21.90.48.67 | 358232131 | 0 |
| 21.90.48.68 | 358232132 | 0 |
| 21.90.48.69 | 358232133 | 0 |
| 21.90.48.70 | 358232134 | 0 |
| 21.90.48.71 | 358232135 | 0 |
| 21.90.48.72 | 358232136 | 0 |
| 21.90.48.73 | 358232137 | 0 |
| 21.90.48.74 | 358232138 | 0 |
| 21.90.48.75 | 358232139 | 0 |
| 21.90.48.76 | 358232140 | 0 |
| 21.90.48.77 | 358232141 | 0 |
| 21.90.48.78 | 358232142 | 0 |
| 21.90.48.79 | 358232143 | 0 |
| 21.90.48.80 | 358232144 | 0 |
| 21.90.48.81 | 358232145 | 0 |
| 21.90.48.82 | 358232146 | 0 |
| 21.90.48.83 | 358232147 | 0 |
| 21.90.48.84 | 358232148 | 0 |
| 21.90.48.85 | 358232149 | 0 |