L'indirizzo IP 121.48.57 è fornito da China Education and Research Network Center, che è di proprietà del CIDR (Classless Inter-Domain Routing) 121.48.0.0/15, IP tra 121.48.0.0 a 121.49.255.255 ). Il numero di sistema autonomo (ASN) è 4538.
| ASN | 4538 |
| IP inizia con | 121.48.0.0 |
| IP finale con | 121.49.255.255 |
| ASN Nome | China Education and Research Network Center |
| CDIR | 121.48.0.0/15 |
| IP numerico | |
| Registe | apnic |
| Ultimo aggiornamento | 12/05/2019 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | CN | China | - | Xichang | 27,8964 | 102,2634 | 2019-05-12 |
| MaxMind | CN | China | - | Chengdu | 30,6667 | 104,0667 | 2019-05-12 |
| Whois | CN | - | - | - | 104 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.48.57.0 | 2033203456 | 0 |
| 121.48.57.1 | 2033203457 | 0 |
| 121.48.57.2 | 2033203458 | 0 |
| 121.48.57.3 | 2033203459 | 0 |
| 121.48.57.4 | 2033203460 | 0 |
| 121.48.57.5 | 2033203461 | 0 |
| 121.48.57.6 | 2033203462 | 0 |
| 121.48.57.7 | 2033203463 | 0 |
| 121.48.57.8 | 2033203464 | 0 |
| 121.48.57.9 | 2033203465 | 0 |
| 121.48.57.10 | 2033203466 | 0 |
| 121.48.57.11 | 2033203467 | 0 |
| 121.48.57.12 | 2033203468 | 0 |
| 121.48.57.13 | 2033203469 | 0 |
| 121.48.57.14 | 2033203470 | 0 |
| 121.48.57.15 | 2033203471 | 0 |
| 121.48.57.16 | 2033203472 | 0 |
| 121.48.57.17 | 2033203473 | 0 |
| 121.48.57.18 | 2033203474 | 0 |
| 121.48.57.19 | 2033203475 | 0 |
| 121.48.57.20 | 2033203476 | 0 |
| 121.48.57.21 | 2033203477 | 0 |
| 121.48.57.22 | 2033203478 | 0 |
| 121.48.57.23 | 2033203479 | 0 |
| 121.48.57.24 | 2033203480 | 0 |
| 121.48.57.25 | 2033203481 | 0 |
| 121.48.57.26 | 2033203482 | 0 |
| 121.48.57.27 | 2033203483 | 0 |
| 121.48.57.28 | 2033203484 | 0 |
| 121.48.57.29 | 2033203485 | 0 |
| 121.48.57.30 | 2033203486 | 0 |
| 121.48.57.31 | 2033203487 | 0 |
| 121.48.57.32 | 2033203488 | 0 |
| 121.48.57.33 | 2033203489 | 0 |
| 121.48.57.34 | 2033203490 | 0 |
| 121.48.57.35 | 2033203491 | 0 |
| 121.48.57.36 | 2033203492 | 0 |
| 121.48.57.37 | 2033203493 | 0 |
| 121.48.57.38 | 2033203494 | 0 |
| 121.48.57.39 | 2033203495 | 0 |
| 121.48.57.40 | 2033203496 | 0 |
| 121.48.57.41 | 2033203497 | 0 |
| 121.48.57.42 | 2033203498 | 0 |
| 121.48.57.43 | 2033203499 | 0 |
| 121.48.57.44 | 2033203500 | 0 |
| 121.48.57.45 | 2033203501 | 0 |
| 121.48.57.46 | 2033203502 | 0 |
| 121.48.57.47 | 2033203503 | 0 |
| 121.48.57.48 | 2033203504 | 0 |
| 121.48.57.49 | 2033203505 | 0 |
| 121.48.57.50 | 2033203506 | 0 |
| 121.48.57.51 | 2033203507 | 0 |
| 121.48.57.52 | 2033203508 | 0 |
| 121.48.57.53 | 2033203509 | 0 |
| 121.48.57.54 | 2033203510 | 0 |
| 121.48.57.55 | 2033203511 | 0 |
| 121.48.57.56 | 2033203512 | 0 |
| 121.48.57.57 | 2033203513 | 0 |
| 121.48.57.58 | 2033203514 | 0 |
| 121.48.57.59 | 2033203515 | 0 |
| 121.48.57.60 | 2033203516 | 0 |
| 121.48.57.61 | 2033203517 | 0 |
| 121.48.57.62 | 2033203518 | 0 |
| 121.48.57.63 | 2033203519 | 0 |
| 121.48.57.64 | 2033203520 | 0 |
| 121.48.57.65 | 2033203521 | 0 |
| 121.48.57.66 | 2033203522 | 0 |
| 121.48.57.67 | 2033203523 | 0 |
| 121.48.57.68 | 2033203524 | 0 |
| 121.48.57.69 | 2033203525 | 0 |
| 121.48.57.70 | 2033203526 | 0 |
| 121.48.57.71 | 2033203527 | 0 |
| 121.48.57.72 | 2033203528 | 0 |
| 121.48.57.73 | 2033203529 | 0 |
| 121.48.57.74 | 2033203530 | 0 |
| 121.48.57.75 | 2033203531 | 0 |
| 121.48.57.76 | 2033203532 | 0 |
| 121.48.57.77 | 2033203533 | 0 |
| 121.48.57.78 | 2033203534 | 0 |
| 121.48.57.79 | 2033203535 | 0 |
| 121.48.57.80 | 2033203536 | 0 |
| 121.48.57.81 | 2033203537 | 0 |
| 121.48.57.82 | 2033203538 | 0 |
| 121.48.57.83 | 2033203539 | 0 |
| 121.48.57.84 | 2033203540 | 0 |
| 121.48.57.85 | 2033203541 | 0 |