Les adresses IP débutant par 121.16.41 sont fournies par CNC Group, elles appartiennent au CIDR (Classless Inter-Domain Routing) 121.16.0.0/13, le bloc IP comprant les adresses de 121.16.0.0 à 121.23.255.255). Le numéro de système autonome (ASN) est 4837.
| ASN | 4837 |
| IP commençant par | 121.16.0.0 |
| IP se terminant par | 121.23.255.255 |
| Nom ASN | CNC Group |
| CDIR | 121.16.0.0/13 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 31/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | CN | Chine | - | Cangzhou | 38,3167 | 116,8667 | 2017-08-30 |
| MaxMind | CN | Chine | - | Hebei | 39,8897 | 115,275 | 2017-08-30 |
| Whois | CN | - | - | - | 104 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.16.41.0 | 2031102208 | 0 |
| 121.16.41.1 | 2031102209 | 0 |
| 121.16.41.2 | 2031102210 | 0 |
| 121.16.41.3 | 2031102211 | 0 |
| 121.16.41.4 | 2031102212 | 0 |
| 121.16.41.5 | 2031102213 | 0 |
| 121.16.41.6 | 2031102214 | 0 |
| 121.16.41.7 | 2031102215 | 0 |
| 121.16.41.8 | 2031102216 | 0 |
| 121.16.41.9 | 2031102217 | 0 |
| 121.16.41.10 | 2031102218 | 0 |
| 121.16.41.11 | 2031102219 | 0 |
| 121.16.41.12 | 2031102220 | 0 |
| 121.16.41.13 | 2031102221 | 0 |
| 121.16.41.14 | 2031102222 | 0 |
| 121.16.41.15 | 2031102223 | 0 |
| 121.16.41.16 | 2031102224 | 0 |
| 121.16.41.17 | 2031102225 | 0 |
| 121.16.41.18 | 2031102226 | 0 |
| 121.16.41.19 | 2031102227 | 0 |
| 121.16.41.20 | 2031102228 | 0 |
| 121.16.41.21 | 2031102229 | 0 |
| 121.16.41.22 | 2031102230 | 0 |
| 121.16.41.23 | 2031102231 | 0 |
| 121.16.41.24 | 2031102232 | 0 |
| 121.16.41.25 | 2031102233 | 0 |
| 121.16.41.26 | 2031102234 | 0 |
| 121.16.41.27 | 2031102235 | 0 |
| 121.16.41.28 | 2031102236 | 0 |
| 121.16.41.29 | 2031102237 | 0 |
| 121.16.41.30 | 2031102238 | 0 |
| 121.16.41.31 | 2031102239 | 0 |
| 121.16.41.32 | 2031102240 | 0 |
| 121.16.41.33 | 2031102241 | 0 |
| 121.16.41.34 | 2031102242 | 0 |
| 121.16.41.35 | 2031102243 | 0 |
| 121.16.41.36 | 2031102244 | 0 |
| 121.16.41.37 | 2031102245 | 0 |
| 121.16.41.38 | 2031102246 | 0 |
| 121.16.41.39 | 2031102247 | 0 |
| 121.16.41.40 | 2031102248 | 0 |
| 121.16.41.41 | 2031102249 | 0 |
| 121.16.41.42 | 2031102250 | 0 |
| 121.16.41.43 | 2031102251 | 0 |
| 121.16.41.44 | 2031102252 | 0 |
| 121.16.41.45 | 2031102253 | 0 |
| 121.16.41.46 | 2031102254 | 0 |
| 121.16.41.47 | 2031102255 | 0 |
| 121.16.41.48 | 2031102256 | 0 |
| 121.16.41.49 | 2031102257 | 0 |
| 121.16.41.50 | 2031102258 | 0 |
| 121.16.41.51 | 2031102259 | 0 |
| 121.16.41.52 | 2031102260 | 0 |
| 121.16.41.53 | 2031102261 | 0 |
| 121.16.41.54 | 2031102262 | 0 |
| 121.16.41.55 | 2031102263 | 0 |
| 121.16.41.56 | 2031102264 | 0 |
| 121.16.41.57 | 2031102265 | 0 |
| 121.16.41.58 | 2031102266 | 0 |
| 121.16.41.59 | 2031102267 | 0 |
| 121.16.41.60 | 2031102268 | 0 |
| 121.16.41.61 | 2031102269 | 0 |
| 121.16.41.62 | 2031102270 | 0 |
| 121.16.41.63 | 2031102271 | 0 |
| 121.16.41.64 | 2031102272 | 0 |
| 121.16.41.65 | 2031102273 | 0 |
| 121.16.41.66 | 2031102274 | 0 |
| 121.16.41.67 | 2031102275 | 0 |
| 121.16.41.68 | 2031102276 | 0 |
| 121.16.41.69 | 2031102277 | 0 |
| 121.16.41.70 | 2031102278 | 0 |
| 121.16.41.71 | 2031102279 | 0 |
| 121.16.41.72 | 2031102280 | 0 |
| 121.16.41.73 | 2031102281 | 0 |
| 121.16.41.74 | 2031102282 | 0 |
| 121.16.41.75 | 2031102283 | 0 |
| 121.16.41.76 | 2031102284 | 0 |
| 121.16.41.77 | 2031102285 | 0 |
| 121.16.41.78 | 2031102286 | 0 |
| 121.16.41.79 | 2031102287 | 0 |
| 121.16.41.80 | 2031102288 | 0 |
| 121.16.41.81 | 2031102289 | 0 |
| 121.16.41.82 | 2031102290 | 0 |
| 121.16.41.83 | 2031102291 | 0 |
| 121.16.41.84 | 2031102292 | 0 |
| 121.16.41.85 | 2031102293 | 0 |