L'indirizzo IP 121.21.78 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 | 11/02/2018 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | CN | China | - | Tangshan | 39,6333 | 118,1833 | 2018-02-11 |
| MaxMind | CN | China | - | Hebei | 39,8897 | 115,275 | 2018-02-11 |
| Whois | CN | - | - | - | 104 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.21.78.0 | 2031439360 | 0 |
| 121.21.78.1 | 2031439361 | 0 |
| 121.21.78.2 | 2031439362 | 0 |
| 121.21.78.3 | 2031439363 | 0 |
| 121.21.78.4 | 2031439364 | 0 |
| 121.21.78.5 | 2031439365 | 0 |
| 121.21.78.6 | 2031439366 | 0 |
| 121.21.78.7 | 2031439367 | 0 |
| 121.21.78.8 | 2031439368 | 0 |
| 121.21.78.9 | 2031439369 | 0 |
| 121.21.78.10 | 2031439370 | 0 |
| 121.21.78.11 | 2031439371 | 0 |
| 121.21.78.12 | 2031439372 | 0 |
| 121.21.78.13 | 2031439373 | 0 |
| 121.21.78.14 | 2031439374 | 0 |
| 121.21.78.15 | 2031439375 | 0 |
| 121.21.78.16 | 2031439376 | 0 |
| 121.21.78.17 | 2031439377 | 0 |
| 121.21.78.18 | 2031439378 | 0 |
| 121.21.78.19 | 2031439379 | 0 |
| 121.21.78.20 | 2031439380 | 0 |
| 121.21.78.21 | 2031439381 | 0 |
| 121.21.78.22 | 2031439382 | 0 |
| 121.21.78.23 | 2031439383 | 0 |
| 121.21.78.24 | 2031439384 | 0 |
| 121.21.78.25 | 2031439385 | 0 |
| 121.21.78.26 | 2031439386 | 0 |
| 121.21.78.27 | 2031439387 | 0 |
| 121.21.78.28 | 2031439388 | 0 |
| 121.21.78.29 | 2031439389 | 0 |
| 121.21.78.30 | 2031439390 | 0 |
| 121.21.78.31 | 2031439391 | 0 |
| 121.21.78.32 | 2031439392 | 0 |
| 121.21.78.33 | 2031439393 | 0 |
| 121.21.78.34 | 2031439394 | 0 |
| 121.21.78.35 | 2031439395 | 0 |
| 121.21.78.36 | 2031439396 | 0 |
| 121.21.78.37 | 2031439397 | 0 |
| 121.21.78.38 | 2031439398 | 0 |
| 121.21.78.39 | 2031439399 | 0 |
| 121.21.78.40 | 2031439400 | 0 |
| 121.21.78.41 | 2031439401 | 0 |
| 121.21.78.42 | 2031439402 | 0 |
| 121.21.78.43 | 2031439403 | 0 |
| 121.21.78.44 | 2031439404 | 0 |
| 121.21.78.45 | 2031439405 | 0 |
| 121.21.78.46 | 2031439406 | 0 |
| 121.21.78.47 | 2031439407 | 0 |
| 121.21.78.48 | 2031439408 | 0 |
| 121.21.78.49 | 2031439409 | 0 |
| 121.21.78.50 | 2031439410 | 0 |
| 121.21.78.51 | 2031439411 | 0 |
| 121.21.78.52 | 2031439412 | 0 |
| 121.21.78.53 | 2031439413 | 0 |
| 121.21.78.54 | 2031439414 | 0 |
| 121.21.78.55 | 2031439415 | 0 |
| 121.21.78.56 | 2031439416 | 0 |
| 121.21.78.57 | 2031439417 | 0 |
| 121.21.78.58 | 2031439418 | 0 |
| 121.21.78.59 | 2031439419 | 0 |
| 121.21.78.60 | 2031439420 | 0 |
| 121.21.78.61 | 2031439421 | 0 |
| 121.21.78.62 | 2031439422 | 0 |
| 121.21.78.63 | 2031439423 | 0 |
| 121.21.78.64 | 2031439424 | 0 |
| 121.21.78.65 | 2031439425 | 0 |
| 121.21.78.66 | 2031439426 | 0 |
| 121.21.78.67 | 2031439427 | 0 |
| 121.21.78.68 | 2031439428 | 0 |
| 121.21.78.69 | 2031439429 | 0 |
| 121.21.78.70 | 2031439430 | 0 |
| 121.21.78.71 | 2031439431 | 0 |
| 121.21.78.72 | 2031439432 | 0 |
| 121.21.78.73 | 2031439433 | 0 |
| 121.21.78.74 | 2031439434 | 0 |
| 121.21.78.75 | 2031439435 | 0 |
| 121.21.78.76 | 2031439436 | 0 |
| 121.21.78.77 | 2031439437 | 0 |
| 121.21.78.78 | 2031439438 | 0 |
| 121.21.78.79 | 2031439439 | 0 |
| 121.21.78.80 | 2031439440 | 0 |
| 121.21.78.81 | 2031439441 | 0 |
| 121.21.78.82 | 2031439442 | 0 |
| 121.21.78.83 | 2031439443 | 0 |
| 121.21.78.84 | 2031439444 | 0 |
| 121.21.78.85 | 2031439445 | 0 |