Die IP-Adresse 21.78.66 erfolgt über China Education and Research Network Center, es hat gehören zu den GGDV (Classless Inter-Domain Routing) 22.30.204.0/23 (Bereich 22.30.204.0, 22.30.205.255). Die autonomen Systemnummer (ASN) ist 4538.
| ASN | 4538 |
| Ausgehend von IP | 22.30.204.0 |
| Beendigung durch IP | 22.30.205.255 |
| ASN-Namen | China Education and Research Network Center |
| GGDV | 22.30.204.0/23 |
| Numerische IP | |
| Registrierung | |
| Letztes update | 21.08.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | US | USA | - | Columbus | 39,9664 | -83,0128 | 2017-08-21 |
| MaxMind | US | USA | - | - | 37,751 | -97,822 | 2017-08-21 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.78.66.0 | 357450240 | 0 |
| 21.78.66.1 | 357450241 | 0 |
| 21.78.66.2 | 357450242 | 0 |
| 21.78.66.3 | 357450243 | 0 |
| 21.78.66.4 | 357450244 | 0 |
| 21.78.66.5 | 357450245 | 0 |
| 21.78.66.6 | 357450246 | 0 |
| 21.78.66.7 | 357450247 | 0 |
| 21.78.66.8 | 357450248 | 0 |
| 21.78.66.9 | 357450249 | 0 |
| 21.78.66.10 | 357450250 | 0 |
| 21.78.66.11 | 357450251 | 0 |
| 21.78.66.12 | 357450252 | 0 |
| 21.78.66.13 | 357450253 | 0 |
| 21.78.66.14 | 357450254 | 0 |
| 21.78.66.15 | 357450255 | 0 |
| 21.78.66.16 | 357450256 | 0 |
| 21.78.66.17 | 357450257 | 0 |
| 21.78.66.18 | 357450258 | 0 |
| 21.78.66.19 | 357450259 | 0 |
| 21.78.66.20 | 357450260 | 0 |
| 21.78.66.21 | 357450261 | 0 |
| 21.78.66.22 | 357450262 | 0 |
| 21.78.66.23 | 357450263 | 0 |
| 21.78.66.24 | 357450264 | 0 |
| 21.78.66.25 | 357450265 | 0 |
| 21.78.66.26 | 357450266 | 0 |
| 21.78.66.27 | 357450267 | 0 |
| 21.78.66.28 | 357450268 | 0 |
| 21.78.66.29 | 357450269 | 0 |
| 21.78.66.30 | 357450270 | 0 |
| 21.78.66.31 | 357450271 | 0 |
| 21.78.66.32 | 357450272 | 0 |
| 21.78.66.33 | 357450273 | 0 |
| 21.78.66.34 | 357450274 | 0 |
| 21.78.66.35 | 357450275 | 0 |
| 21.78.66.36 | 357450276 | 0 |
| 21.78.66.37 | 357450277 | 0 |
| 21.78.66.38 | 357450278 | 0 |
| 21.78.66.39 | 357450279 | 0 |
| 21.78.66.40 | 357450280 | 0 |
| 21.78.66.41 | 357450281 | 0 |
| 21.78.66.42 | 357450282 | 0 |
| 21.78.66.43 | 357450283 | 0 |
| 21.78.66.44 | 357450284 | 0 |
| 21.78.66.45 | 357450285 | 0 |
| 21.78.66.46 | 357450286 | 0 |
| 21.78.66.47 | 357450287 | 0 |
| 21.78.66.48 | 357450288 | 0 |
| 21.78.66.49 | 357450289 | 0 |
| 21.78.66.50 | 357450290 | 0 |
| 21.78.66.51 | 357450291 | 0 |
| 21.78.66.52 | 357450292 | 0 |
| 21.78.66.53 | 357450293 | 0 |
| 21.78.66.54 | 357450294 | 0 |
| 21.78.66.55 | 357450295 | 0 |
| 21.78.66.56 | 357450296 | 0 |
| 21.78.66.57 | 357450297 | 0 |
| 21.78.66.58 | 357450298 | 0 |
| 21.78.66.59 | 357450299 | 0 |
| 21.78.66.60 | 357450300 | 0 |
| 21.78.66.61 | 357450301 | 0 |
| 21.78.66.62 | 357450302 | 0 |
| 21.78.66.63 | 357450303 | 0 |
| 21.78.66.64 | 357450304 | 0 |
| 21.78.66.65 | 357450305 | 0 |
| 21.78.66.66 | 357450306 | 0 |
| 21.78.66.67 | 357450307 | 0 |
| 21.78.66.68 | 357450308 | 0 |
| 21.78.66.69 | 357450309 | 0 |
| 21.78.66.70 | 357450310 | 0 |
| 21.78.66.71 | 357450311 | 0 |
| 21.78.66.72 | 357450312 | 0 |
| 21.78.66.73 | 357450313 | 0 |
| 21.78.66.74 | 357450314 | 0 |
| 21.78.66.75 | 357450315 | 0 |
| 21.78.66.76 | 357450316 | 0 |
| 21.78.66.77 | 357450317 | 0 |
| 21.78.66.78 | 357450318 | 0 |
| 21.78.66.79 | 357450319 | 0 |
| 21.78.66.80 | 357450320 | 0 |
| 21.78.66.81 | 357450321 | 0 |
| 21.78.66.82 | 357450322 | 0 |
| 21.78.66.83 | 357450323 | 0 |
| 21.78.66.84 | 357450324 | 0 |
| 21.78.66.85 | 357450325 | 0 |