L'indirizzo IP 121.55.19 è fornito da Shanghai Information Network Co.,Ltd., che è di proprietà del CIDR (Classless Inter-Domain Routing) 121.55.0.0/18, IP tra 121.55.0.0 a 121.55.63.255 ). Il numero di sistema autonomo (ASN) è 45061.
| ASN | 45061 |
| IP inizia con | 121.55.0.0 |
| IP finale con | 121.55.63.255 |
| ASN Nome | Shanghai Information Network Co.,Ltd. |
| CDIR | 121.55.0.0/18 |
| IP numerico | |
| Registe | apnic |
| Ultimo aggiornamento | 28/10/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | CN | China | - | Shanghai | 31,2222 | 121,4581 | 2017-10-28 |
| MaxMind | CN | China | - | Shanghai | 31,0456 | 121,3997 | 2017-10-28 |
| Whois | CN | - | - | - | 104 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.55.19.0 | 2033652480 | 0 |
| 121.55.19.1 | 2033652481 | 0 |
| 121.55.19.2 | 2033652482 | 0 |
| 121.55.19.3 | 2033652483 | 0 |
| 121.55.19.4 | 2033652484 | 0 |
| 121.55.19.5 | 2033652485 | 0 |
| 121.55.19.6 | 2033652486 | 0 |
| 121.55.19.7 | 2033652487 | 0 |
| 121.55.19.8 | 2033652488 | 0 |
| 121.55.19.9 | 2033652489 | 0 |
| 121.55.19.10 | 2033652490 | 0 |
| 121.55.19.11 | 2033652491 | 0 |
| 121.55.19.12 | 2033652492 | 0 |
| 121.55.19.13 | 2033652493 | 0 |
| 121.55.19.14 | 2033652494 | 0 |
| 121.55.19.15 | 2033652495 | 0 |
| 121.55.19.16 | 2033652496 | 0 |
| 121.55.19.17 | 2033652497 | 0 |
| 121.55.19.18 | 2033652498 | 0 |
| 121.55.19.19 | 2033652499 | 0 |
| 121.55.19.20 | 2033652500 | 0 |
| 121.55.19.21 | 2033652501 | 0 |
| 121.55.19.22 | 2033652502 | 0 |
| 121.55.19.23 | 2033652503 | 0 |
| 121.55.19.24 | 2033652504 | 0 |
| 121.55.19.25 | 2033652505 | 0 |
| 121.55.19.26 | 2033652506 | 0 |
| 121.55.19.27 | 2033652507 | 0 |
| 121.55.19.28 | 2033652508 | 0 |
| 121.55.19.29 | 2033652509 | 0 |
| 121.55.19.30 | 2033652510 | 0 |
| 121.55.19.31 | 2033652511 | 0 |
| 121.55.19.32 | 2033652512 | 0 |
| 121.55.19.33 | 2033652513 | 0 |
| 121.55.19.34 | 2033652514 | 0 |
| 121.55.19.35 | 2033652515 | 0 |
| 121.55.19.36 | 2033652516 | 0 |
| 121.55.19.37 | 2033652517 | 0 |
| 121.55.19.38 | 2033652518 | 0 |
| 121.55.19.39 | 2033652519 | 0 |
| 121.55.19.40 | 2033652520 | 0 |
| 121.55.19.41 | 2033652521 | 0 |
| 121.55.19.42 | 2033652522 | 0 |
| 121.55.19.43 | 2033652523 | 0 |
| 121.55.19.44 | 2033652524 | 0 |
| 121.55.19.45 | 2033652525 | 0 |
| 121.55.19.46 | 2033652526 | 0 |
| 121.55.19.47 | 2033652527 | 0 |
| 121.55.19.48 | 2033652528 | 0 |
| 121.55.19.49 | 2033652529 | 0 |
| 121.55.19.50 | 2033652530 | 0 |
| 121.55.19.51 | 2033652531 | 0 |
| 121.55.19.52 | 2033652532 | 0 |
| 121.55.19.53 | 2033652533 | 0 |
| 121.55.19.54 | 2033652534 | 0 |
| 121.55.19.55 | 2033652535 | 0 |
| 121.55.19.56 | 2033652536 | 0 |
| 121.55.19.57 | 2033652537 | 0 |
| 121.55.19.58 | 2033652538 | 0 |
| 121.55.19.59 | 2033652539 | 0 |
| 121.55.19.60 | 2033652540 | 0 |
| 121.55.19.61 | 2033652541 | 0 |
| 121.55.19.62 | 2033652542 | 0 |
| 121.55.19.63 | 2033652543 | 0 |
| 121.55.19.64 | 2033652544 | 0 |
| 121.55.19.65 | 2033652545 | 0 |
| 121.55.19.66 | 2033652546 | 0 |
| 121.55.19.67 | 2033652547 | 0 |
| 121.55.19.68 | 2033652548 | 0 |
| 121.55.19.69 | 2033652549 | 0 |
| 121.55.19.70 | 2033652550 | 0 |
| 121.55.19.71 | 2033652551 | 0 |
| 121.55.19.72 | 2033652552 | 0 |
| 121.55.19.73 | 2033652553 | 0 |
| 121.55.19.74 | 2033652554 | 0 |
| 121.55.19.75 | 2033652555 | 0 |
| 121.55.19.76 | 2033652556 | 0 |
| 121.55.19.77 | 2033652557 | 0 |
| 121.55.19.78 | 2033652558 | 0 |
| 121.55.19.79 | 2033652559 | 0 |
| 121.55.19.80 | 2033652560 | 0 |
| 121.55.19.81 | 2033652561 | 0 |
| 121.55.19.82 | 2033652562 | 0 |
| 121.55.19.83 | 2033652563 | 0 |
| 121.55.19.84 | 2033652564 | 0 |
| 121.55.19.85 | 2033652565 | 0 |