The IP address 21.77.64 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 | 02/11/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Clovis | 34.4048 | -103.2052 | 2018-11-02 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2018-11-02 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.77.64.0 | 357384192 | 0 |
| 21.77.64.1 | 357384193 | 0 |
| 21.77.64.2 | 357384194 | 0 |
| 21.77.64.3 | 357384195 | 0 |
| 21.77.64.4 | 357384196 | 0 |
| 21.77.64.5 | 357384197 | 0 |
| 21.77.64.6 | 357384198 | 0 |
| 21.77.64.7 | 357384199 | 0 |
| 21.77.64.8 | 357384200 | 0 |
| 21.77.64.9 | 357384201 | 0 |
| 21.77.64.10 | 357384202 | 0 |
| 21.77.64.11 | 357384203 | 0 |
| 21.77.64.12 | 357384204 | 0 |
| 21.77.64.13 | 357384205 | 0 |
| 21.77.64.14 | 357384206 | 0 |
| 21.77.64.15 | 357384207 | 0 |
| 21.77.64.16 | 357384208 | 0 |
| 21.77.64.17 | 357384209 | 0 |
| 21.77.64.18 | 357384210 | 0 |
| 21.77.64.19 | 357384211 | 0 |
| 21.77.64.20 | 357384212 | 0 |
| 21.77.64.21 | 357384213 | 0 |
| 21.77.64.22 | 357384214 | 0 |
| 21.77.64.23 | 357384215 | 0 |
| 21.77.64.24 | 357384216 | 0 |
| 21.77.64.25 | 357384217 | 0 |
| 21.77.64.26 | 357384218 | 0 |
| 21.77.64.27 | 357384219 | 0 |
| 21.77.64.28 | 357384220 | 0 |
| 21.77.64.29 | 357384221 | 0 |
| 21.77.64.30 | 357384222 | 0 |
| 21.77.64.31 | 357384223 | 0 |
| 21.77.64.32 | 357384224 | 0 |
| 21.77.64.33 | 357384225 | 0 |
| 21.77.64.34 | 357384226 | 0 |
| 21.77.64.35 | 357384227 | 0 |
| 21.77.64.36 | 357384228 | 0 |
| 21.77.64.37 | 357384229 | 0 |
| 21.77.64.38 | 357384230 | 0 |
| 21.77.64.39 | 357384231 | 0 |
| 21.77.64.40 | 357384232 | 0 |
| 21.77.64.41 | 357384233 | 0 |
| 21.77.64.42 | 357384234 | 0 |
| 21.77.64.43 | 357384235 | 0 |
| 21.77.64.44 | 357384236 | 0 |
| 21.77.64.45 | 357384237 | 0 |
| 21.77.64.46 | 357384238 | 0 |
| 21.77.64.47 | 357384239 | 0 |
| 21.77.64.48 | 357384240 | 0 |
| 21.77.64.49 | 357384241 | 0 |
| 21.77.64.50 | 357384242 | 0 |
| 21.77.64.51 | 357384243 | 0 |
| 21.77.64.52 | 357384244 | 0 |
| 21.77.64.53 | 357384245 | 0 |
| 21.77.64.54 | 357384246 | 0 |
| 21.77.64.55 | 357384247 | 0 |
| 21.77.64.56 | 357384248 | 0 |
| 21.77.64.57 | 357384249 | 0 |
| 21.77.64.58 | 357384250 | 0 |
| 21.77.64.59 | 357384251 | 0 |
| 21.77.64.60 | 357384252 | 0 |
| 21.77.64.61 | 357384253 | 0 |
| 21.77.64.62 | 357384254 | 0 |
| 21.77.64.63 | 357384255 | 0 |
| 21.77.64.64 | 357384256 | 0 |
| 21.77.64.65 | 357384257 | 0 |
| 21.77.64.66 | 357384258 | 0 |
| 21.77.64.67 | 357384259 | 0 |
| 21.77.64.68 | 357384260 | 0 |
| 21.77.64.69 | 357384261 | 0 |
| 21.77.64.70 | 357384262 | 0 |
| 21.77.64.71 | 357384263 | 0 |
| 21.77.64.72 | 357384264 | 0 |
| 21.77.64.73 | 357384265 | 0 |
| 21.77.64.74 | 357384266 | 0 |
| 21.77.64.75 | 357384267 | 0 |
| 21.77.64.76 | 357384268 | 0 |
| 21.77.64.77 | 357384269 | 0 |
| 21.77.64.78 | 357384270 | 0 |
| 21.77.64.79 | 357384271 | 0 |
| 21.77.64.80 | 357384272 | 0 |
| 21.77.64.81 | 357384273 | 0 |
| 21.77.64.82 | 357384274 | 0 |
| 21.77.64.83 | 357384275 | 0 |
| 21.77.64.84 | 357384276 | 0 |
| 21.77.64.85 | 357384277 | 0 |