The IP address 21.253.4 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 | 26/11/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Hempstead | 40.7062 | -73.6187 | 2018-11-26 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2018-11-26 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.253.4.0 | 368903168 | 0 |
| 21.253.4.1 | 368903169 | 0 |
| 21.253.4.2 | 368903170 | 0 |
| 21.253.4.3 | 368903171 | 0 |
| 21.253.4.4 | 368903172 | 0 |
| 21.253.4.5 | 368903173 | 0 |
| 21.253.4.6 | 368903174 | 0 |
| 21.253.4.7 | 368903175 | 0 |
| 21.253.4.8 | 368903176 | 0 |
| 21.253.4.9 | 368903177 | 0 |
| 21.253.4.10 | 368903178 | 0 |
| 21.253.4.11 | 368903179 | 0 |
| 21.253.4.12 | 368903180 | 0 |
| 21.253.4.13 | 368903181 | 0 |
| 21.253.4.14 | 368903182 | 0 |
| 21.253.4.15 | 368903183 | 0 |
| 21.253.4.16 | 368903184 | 0 |
| 21.253.4.17 | 368903185 | 0 |
| 21.253.4.18 | 368903186 | 0 |
| 21.253.4.19 | 368903187 | 0 |
| 21.253.4.20 | 368903188 | 0 |
| 21.253.4.21 | 368903189 | 0 |
| 21.253.4.22 | 368903190 | 0 |
| 21.253.4.23 | 368903191 | 0 |
| 21.253.4.24 | 368903192 | 0 |
| 21.253.4.25 | 368903193 | 0 |
| 21.253.4.26 | 368903194 | 0 |
| 21.253.4.27 | 368903195 | 0 |
| 21.253.4.28 | 368903196 | 0 |
| 21.253.4.29 | 368903197 | 0 |
| 21.253.4.30 | 368903198 | 0 |
| 21.253.4.31 | 368903199 | 0 |
| 21.253.4.32 | 368903200 | 0 |
| 21.253.4.33 | 368903201 | 0 |
| 21.253.4.34 | 368903202 | 0 |
| 21.253.4.35 | 368903203 | 0 |
| 21.253.4.36 | 368903204 | 0 |
| 21.253.4.37 | 368903205 | 0 |
| 21.253.4.38 | 368903206 | 0 |
| 21.253.4.39 | 368903207 | 0 |
| 21.253.4.40 | 368903208 | 0 |
| 21.253.4.41 | 368903209 | 0 |
| 21.253.4.42 | 368903210 | 0 |
| 21.253.4.43 | 368903211 | 0 |
| 21.253.4.44 | 368903212 | 0 |
| 21.253.4.45 | 368903213 | 0 |
| 21.253.4.46 | 368903214 | 0 |
| 21.253.4.47 | 368903215 | 0 |
| 21.253.4.48 | 368903216 | 0 |
| 21.253.4.49 | 368903217 | 0 |
| 21.253.4.50 | 368903218 | 0 |
| 21.253.4.51 | 368903219 | 0 |
| 21.253.4.52 | 368903220 | 0 |
| 21.253.4.53 | 368903221 | 0 |
| 21.253.4.54 | 368903222 | 0 |
| 21.253.4.55 | 368903223 | 0 |
| 21.253.4.56 | 368903224 | 0 |
| 21.253.4.57 | 368903225 | 0 |
| 21.253.4.58 | 368903226 | 0 |
| 21.253.4.59 | 368903227 | 0 |
| 21.253.4.60 | 368903228 | 0 |
| 21.253.4.61 | 368903229 | 0 |
| 21.253.4.62 | 368903230 | 0 |
| 21.253.4.63 | 368903231 | 0 |
| 21.253.4.64 | 368903232 | 0 |
| 21.253.4.65 | 368903233 | 0 |
| 21.253.4.66 | 368903234 | 0 |
| 21.253.4.67 | 368903235 | 0 |
| 21.253.4.68 | 368903236 | 0 |
| 21.253.4.69 | 368903237 | 0 |
| 21.253.4.70 | 368903238 | 0 |
| 21.253.4.71 | 368903239 | 0 |
| 21.253.4.72 | 368903240 | 0 |
| 21.253.4.73 | 368903241 | 0 |
| 21.253.4.74 | 368903242 | 0 |
| 21.253.4.75 | 368903243 | 0 |
| 21.253.4.76 | 368903244 | 0 |
| 21.253.4.77 | 368903245 | 0 |
| 21.253.4.78 | 368903246 | 0 |
| 21.253.4.79 | 368903247 | 0 |
| 21.253.4.80 | 368903248 | 0 |
| 21.253.4.81 | 368903249 | 0 |
| 21.253.4.82 | 368903250 | 0 |
| 21.253.4.83 | 368903251 | 0 |
| 21.253.4.84 | 368903252 | 0 |
| 21.253.4.85 | 368903253 | 0 |