L'indirizzo IP 16.81.57 è fornito da Hewlett-Packard Company, che è di proprietà del CIDR (Classless Inter-Domain Routing) 16.0.0.0/8, IP tra 16.0.0.0 a 16.255.255.255 ). Il numero di sistema autonomo (ASN) è 71.
| ASN | 71 |
| IP inizia con | 16.0.0.0 |
| IP finale con | 16.255.255.255 |
| ASN Nome | Hewlett-Packard Company |
| CDIR | 16.0.0.0/8 |
| IP numerico | |
| Registe | arin |
| Ultimo aggiornamento | 16/11/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Palo Alto | 37,4099 | -122,1604 | 2017-11-16 |
| MaxMind | US | United States | - | Palo Alto | 37,3762 | -122,1826 | 2017-11-16 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 16.81.57.0 | 273758464 | 0 |
| 16.81.57.1 | 273758465 | 0 |
| 16.81.57.2 | 273758466 | 0 |
| 16.81.57.3 | 273758467 | 0 |
| 16.81.57.4 | 273758468 | 0 |
| 16.81.57.5 | 273758469 | 0 |
| 16.81.57.6 | 273758470 | 0 |
| 16.81.57.7 | 273758471 | 0 |
| 16.81.57.8 | 273758472 | 0 |
| 16.81.57.9 | 273758473 | 0 |
| 16.81.57.10 | 273758474 | 0 |
| 16.81.57.11 | 273758475 | 0 |
| 16.81.57.12 | 273758476 | 0 |
| 16.81.57.13 | 273758477 | 0 |
| 16.81.57.14 | 273758478 | 0 |
| 16.81.57.15 | 273758479 | 0 |
| 16.81.57.16 | 273758480 | 0 |
| 16.81.57.17 | 273758481 | 0 |
| 16.81.57.18 | 273758482 | 0 |
| 16.81.57.19 | 273758483 | 0 |
| 16.81.57.20 | 273758484 | 0 |
| 16.81.57.21 | 273758485 | 0 |
| 16.81.57.22 | 273758486 | 0 |
| 16.81.57.23 | 273758487 | 0 |
| 16.81.57.24 | 273758488 | 0 |
| 16.81.57.25 | 273758489 | 0 |
| 16.81.57.26 | 273758490 | 0 |
| 16.81.57.27 | 273758491 | 0 |
| 16.81.57.28 | 273758492 | 0 |
| 16.81.57.29 | 273758493 | 0 |
| 16.81.57.30 | 273758494 | 0 |
| 16.81.57.31 | 273758495 | 0 |
| 16.81.57.32 | 273758496 | 0 |
| 16.81.57.33 | 273758497 | 0 |
| 16.81.57.34 | 273758498 | 0 |
| 16.81.57.35 | 273758499 | 0 |
| 16.81.57.36 | 273758500 | 0 |
| 16.81.57.37 | 273758501 | 0 |
| 16.81.57.38 | 273758502 | 0 |
| 16.81.57.39 | 273758503 | 0 |
| 16.81.57.40 | 273758504 | 0 |
| 16.81.57.41 | 273758505 | 0 |
| 16.81.57.42 | 273758506 | 0 |
| 16.81.57.43 | 273758507 | 0 |
| 16.81.57.44 | 273758508 | 0 |
| 16.81.57.45 | 273758509 | 0 |
| 16.81.57.46 | 273758510 | 0 |
| 16.81.57.47 | 273758511 | 0 |
| 16.81.57.48 | 273758512 | 0 |
| 16.81.57.49 | 273758513 | 0 |
| 16.81.57.50 | 273758514 | 0 |
| 16.81.57.51 | 273758515 | 0 |
| 16.81.57.52 | 273758516 | 0 |
| 16.81.57.53 | 273758517 | 0 |
| 16.81.57.54 | 273758518 | 0 |
| 16.81.57.55 | 273758519 | 0 |
| 16.81.57.56 | 273758520 | 0 |
| 16.81.57.57 | 273758521 | 0 |
| 16.81.57.58 | 273758522 | 0 |
| 16.81.57.59 | 273758523 | 0 |
| 16.81.57.60 | 273758524 | 0 |
| 16.81.57.61 | 273758525 | 0 |
| 16.81.57.62 | 273758526 | 0 |
| 16.81.57.63 | 273758527 | 0 |
| 16.81.57.64 | 273758528 | 0 |
| 16.81.57.65 | 273758529 | 0 |
| 16.81.57.66 | 273758530 | 0 |
| 16.81.57.67 | 273758531 | 0 |
| 16.81.57.68 | 273758532 | 0 |
| 16.81.57.69 | 273758533 | 0 |
| 16.81.57.70 | 273758534 | 0 |
| 16.81.57.71 | 273758535 | 0 |
| 16.81.57.72 | 273758536 | 0 |
| 16.81.57.73 | 273758537 | 0 |
| 16.81.57.74 | 273758538 | 0 |
| 16.81.57.75 | 273758539 | 0 |
| 16.81.57.76 | 273758540 | 0 |
| 16.81.57.77 | 273758541 | 0 |
| 16.81.57.78 | 273758542 | 0 |
| 16.81.57.79 | 273758543 | 0 |
| 16.81.57.80 | 273758544 | 0 |
| 16.81.57.81 | 273758545 | 0 |
| 16.81.57.82 | 273758546 | 0 |
| 16.81.57.83 | 273758547 | 0 |
| 16.81.57.84 | 273758548 | 0 |
| 16.81.57.85 | 273758549 | 0 |