La dirección IP 21.77.68 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 | 01/11/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2017-11-01 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-11-01 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.77.68.0 | 357385216 | 0 |
| 21.77.68.1 | 357385217 | 0 |
| 21.77.68.2 | 357385218 | 0 |
| 21.77.68.3 | 357385219 | 0 |
| 21.77.68.4 | 357385220 | 0 |
| 21.77.68.5 | 357385221 | 0 |
| 21.77.68.6 | 357385222 | 0 |
| 21.77.68.7 | 357385223 | 0 |
| 21.77.68.8 | 357385224 | 0 |
| 21.77.68.9 | 357385225 | 0 |
| 21.77.68.10 | 357385226 | 0 |
| 21.77.68.11 | 357385227 | 0 |
| 21.77.68.12 | 357385228 | 0 |
| 21.77.68.13 | 357385229 | 0 |
| 21.77.68.14 | 357385230 | 0 |
| 21.77.68.15 | 357385231 | 0 |
| 21.77.68.16 | 357385232 | 0 |
| 21.77.68.17 | 357385233 | 0 |
| 21.77.68.18 | 357385234 | 0 |
| 21.77.68.19 | 357385235 | 0 |
| 21.77.68.20 | 357385236 | 0 |
| 21.77.68.21 | 357385237 | 0 |
| 21.77.68.22 | 357385238 | 0 |
| 21.77.68.23 | 357385239 | 0 |
| 21.77.68.24 | 357385240 | 0 |
| 21.77.68.25 | 357385241 | 0 |
| 21.77.68.26 | 357385242 | 0 |
| 21.77.68.27 | 357385243 | 0 |
| 21.77.68.28 | 357385244 | 0 |
| 21.77.68.29 | 357385245 | 0 |
| 21.77.68.30 | 357385246 | 0 |
| 21.77.68.31 | 357385247 | 0 |
| 21.77.68.32 | 357385248 | 0 |
| 21.77.68.33 | 357385249 | 0 |
| 21.77.68.34 | 357385250 | 0 |
| 21.77.68.35 | 357385251 | 0 |
| 21.77.68.36 | 357385252 | 0 |
| 21.77.68.37 | 357385253 | 0 |
| 21.77.68.38 | 357385254 | 0 |
| 21.77.68.39 | 357385255 | 0 |
| 21.77.68.40 | 357385256 | 0 |
| 21.77.68.41 | 357385257 | 0 |
| 21.77.68.42 | 357385258 | 0 |
| 21.77.68.43 | 357385259 | 0 |
| 21.77.68.44 | 357385260 | 0 |
| 21.77.68.45 | 357385261 | 0 |
| 21.77.68.46 | 357385262 | 0 |
| 21.77.68.47 | 357385263 | 0 |
| 21.77.68.48 | 357385264 | 0 |
| 21.77.68.49 | 357385265 | 0 |
| 21.77.68.50 | 357385266 | 0 |
| 21.77.68.51 | 357385267 | 0 |
| 21.77.68.52 | 357385268 | 0 |
| 21.77.68.53 | 357385269 | 0 |
| 21.77.68.54 | 357385270 | 0 |
| 21.77.68.55 | 357385271 | 0 |
| 21.77.68.56 | 357385272 | 0 |
| 21.77.68.57 | 357385273 | 0 |
| 21.77.68.58 | 357385274 | 0 |
| 21.77.68.59 | 357385275 | 0 |
| 21.77.68.60 | 357385276 | 0 |
| 21.77.68.61 | 357385277 | 0 |
| 21.77.68.62 | 357385278 | 0 |
| 21.77.68.63 | 357385279 | 0 |
| 21.77.68.64 | 357385280 | 0 |
| 21.77.68.65 | 357385281 | 0 |
| 21.77.68.66 | 357385282 | 0 |
| 21.77.68.67 | 357385283 | 0 |
| 21.77.68.68 | 357385284 | 0 |
| 21.77.68.69 | 357385285 | 0 |
| 21.77.68.70 | 357385286 | 0 |
| 21.77.68.71 | 357385287 | 0 |
| 21.77.68.72 | 357385288 | 0 |
| 21.77.68.73 | 357385289 | 0 |
| 21.77.68.74 | 357385290 | 0 |
| 21.77.68.75 | 357385291 | 0 |
| 21.77.68.76 | 357385292 | 0 |
| 21.77.68.77 | 357385293 | 0 |
| 21.77.68.78 | 357385294 | 0 |
| 21.77.68.79 | 357385295 | 0 |
| 21.77.68.80 | 357385296 | 0 |
| 21.77.68.81 | 357385297 | 0 |
| 21.77.68.82 | 357385298 | 0 |
| 21.77.68.83 | 357385299 | 0 |
| 21.77.68.84 | 357385300 | 0 |
| 21.77.68.85 | 357385301 | 0 |