L'indirizzo IP 121.23.42 è fornito da CNC Group, che è di proprietà del CIDR (Classless Inter-Domain Routing) 121.16.0.0/13, IP tra 121.16.0.0 a 121.23.255.255 ). Il numero di sistema autonomo (ASN) è 4837.
| ASN | 4837 |
| IP inizia con | 121.16.0.0 |
| IP finale con | 121.23.255.255 |
| ASN Nome | CNC Group |
| CDIR | 121.16.0.0/13 |
| IP numerico | |
| Registe | apnic |
| Ultimo aggiornamento | 21/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | CN | China | - | Langfang | 39,5097 | 116,6947 | 2017-07-20 |
| MaxMind | CN | China | - | Langfang | 39,5097 | 116,6947 | 2017-07-20 |
| Whois | CN | - | - | - | 104 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.23.42.0 | 2031561216 | 0 |
| 121.23.42.1 | 2031561217 | 0 |
| 121.23.42.2 | 2031561218 | 0 |
| 121.23.42.3 | 2031561219 | 0 |
| 121.23.42.4 | 2031561220 | 0 |
| 121.23.42.5 | 2031561221 | 0 |
| 121.23.42.6 | 2031561222 | 0 |
| 121.23.42.7 | 2031561223 | 0 |
| 121.23.42.8 | 2031561224 | 0 |
| 121.23.42.9 | 2031561225 | 0 |
| 121.23.42.10 | 2031561226 | 0 |
| 121.23.42.11 | 2031561227 | 0 |
| 121.23.42.12 | 2031561228 | 0 |
| 121.23.42.13 | 2031561229 | 0 |
| 121.23.42.14 | 2031561230 | 0 |
| 121.23.42.15 | 2031561231 | 0 |
| 121.23.42.16 | 2031561232 | 0 |
| 121.23.42.17 | 2031561233 | 0 |
| 121.23.42.18 | 2031561234 | 0 |
| 121.23.42.19 | 2031561235 | 0 |
| 121.23.42.20 | 2031561236 | 0 |
| 121.23.42.21 | 2031561237 | 0 |
| 121.23.42.22 | 2031561238 | 0 |
| 121.23.42.23 | 2031561239 | 0 |
| 121.23.42.24 | 2031561240 | 0 |
| 121.23.42.25 | 2031561241 | 0 |
| 121.23.42.26 | 2031561242 | 0 |
| 121.23.42.27 | 2031561243 | 0 |
| 121.23.42.28 | 2031561244 | 0 |
| 121.23.42.29 | 2031561245 | 0 |
| 121.23.42.30 | 2031561246 | 0 |
| 121.23.42.31 | 2031561247 | 0 |
| 121.23.42.32 | 2031561248 | 0 |
| 121.23.42.33 | 2031561249 | 0 |
| 121.23.42.34 | 2031561250 | 0 |
| 121.23.42.35 | 2031561251 | 0 |
| 121.23.42.36 | 2031561252 | 0 |
| 121.23.42.37 | 2031561253 | 0 |
| 121.23.42.38 | 2031561254 | 0 |
| 121.23.42.39 | 2031561255 | 0 |
| 121.23.42.40 | 2031561256 | 0 |
| 121.23.42.41 | 2031561257 | 0 |
| 121.23.42.42 | 2031561258 | 0 |
| 121.23.42.43 | 2031561259 | 0 |
| 121.23.42.44 | 2031561260 | 0 |
| 121.23.42.45 | 2031561261 | 0 |
| 121.23.42.46 | 2031561262 | 0 |
| 121.23.42.47 | 2031561263 | 0 |
| 121.23.42.48 | 2031561264 | 0 |
| 121.23.42.49 | 2031561265 | 0 |
| 121.23.42.50 | 2031561266 | 0 |
| 121.23.42.51 | 2031561267 | 0 |
| 121.23.42.52 | 2031561268 | 0 |
| 121.23.42.53 | 2031561269 | 0 |
| 121.23.42.54 | 2031561270 | 0 |
| 121.23.42.55 | 2031561271 | 0 |
| 121.23.42.56 | 2031561272 | 0 |
| 121.23.42.57 | 2031561273 | 0 |
| 121.23.42.58 | 2031561274 | 0 |
| 121.23.42.59 | 2031561275 | 0 |
| 121.23.42.60 | 2031561276 | 0 |
| 121.23.42.61 | 2031561277 | 0 |
| 121.23.42.62 | 2031561278 | 0 |
| 121.23.42.63 | 2031561279 | 0 |
| 121.23.42.64 | 2031561280 | 0 |
| 121.23.42.65 | 2031561281 | 0 |
| 121.23.42.66 | 2031561282 | 0 |
| 121.23.42.67 | 2031561283 | 0 |
| 121.23.42.68 | 2031561284 | 0 |
| 121.23.42.69 | 2031561285 | 0 |
| 121.23.42.70 | 2031561286 | 0 |
| 121.23.42.71 | 2031561287 | 0 |
| 121.23.42.72 | 2031561288 | 0 |
| 121.23.42.73 | 2031561289 | 0 |
| 121.23.42.74 | 2031561290 | 0 |
| 121.23.42.75 | 2031561291 | 0 |
| 121.23.42.76 | 2031561292 | 0 |
| 121.23.42.77 | 2031561293 | 0 |
| 121.23.42.78 | 2031561294 | 0 |
| 121.23.42.79 | 2031561295 | 0 |
| 121.23.42.80 | 2031561296 | 0 |
| 121.23.42.81 | 2031561297 | 0 |
| 121.23.42.82 | 2031561298 | 0 |
| 121.23.42.83 | 2031561299 | 0 |
| 121.23.42.84 | 2031561300 | 0 |
| 121.23.42.85 | 2031561301 | 0 |